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Cisco CP-7911G-CH1, System Administrator Manual

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      Configuring Secure SRST for SCCP and SIP

How to Configure Secure Unified SRST

198

Cisco Unified SCCP and SIP SRST System Administrator Guide

OL-13143-04

What to Do Next

Update the certificates in Cisco Unified CM. See the “Configuring a Secure Survivable Remote Site 
Telephony (SRST) Reference” chapter in the appropriate version of 

Cisco Unified Communications 

Manager Security Guide

.

Examples

This section provides the following:

  •

Cisco Unified Communications Manager 4.X.X and Earlier Versions: Example, page 198

  •

Cisco Unified Communications Manager 5.0 and Later Versions Example, page 201

Cisco Unified Communications Manager 4.X.X and Earlier Versions: Example

The following example shows three certificates (Cisco 7970, 7960, PEM) imported to the Cisco Unified 
SRST Router:

Router(config)# 

crypto pki trustpoint 7970

 

Router(ca-trustpoint)# 

revocation-check none 

Router(ca-trustpoint)# 

enrollment terminal

 

Router(ca-trustpoint)# 

exit 

Router(config)#

 crypto pki authenticate 7970

 

Enter the base 64 encoded CA certificate. 

End with a blank line or the word "quit" on a line by itself

MIIDqDCCApCgAwIyS9cPFKNGwfOprHJWdTANBgkqhkiG9w0BAQUFADAu 

MRYwFAYDVQQKEw1DaXNjbyBTeXN0ZW1zMRQwEgYDVQQDEwtDQVAtUlRQLTAwMjAe 

Fw0wMzEwMTAyMDE4NDlaFw0yMzEwMTAyMDI3MzdaMC4xFjAUBgNVBAoTDUNpc2Nv 

IFN5c3RlbXMxFDASBgNVBAMTC0NBUC1SVFAtMDAyMIIBIDANBgkqhkiG9w0BAQEF 

AAOCAQ0AMIIBCAKCAQEAxCZlBK19w/2NZVVvpjCPrpW1cCY7V1q9lhzI85RZZdnQ 

2M4CufgIzNa3zYxGJIAYeFfcRECx7xNiEuz7S80uWCY0Uhtl 

AVVf5NQgZ3YDNoNXg5MmONb8lT86F55EZyVac0XGne77TSIbIdejrTgYQXGP2MJx 

Qhg+ZQlGFDRzbHfM84Dl+SqmqO80kIckqE9Nr3/XCSj1hXmv 

Hth2P6KZqAKXAAStGRLSZX3jNbS8tsj9+F6KKK2PD0iDwHcRKkcUHb7g 

lI++U/5nswjUDIAph715Ds2rn9ehkMGipGLF8kpuCwIBA6OBwzCBwDALBgNVHQ8E 

BAMCAYYwDwYDVR0TAQH/BAUwAwEB/zAdBgNVHQ4EFgQUUpIr4ojuLgmKTn5wLFal 

mrTUm5YwbwYDVR0fBGgwZjBkoGKgYIYtaHR0cDovL2NhcC1ydHAtMDAyL0NlcnRF 

bnJvbGwvQ0FQLVJUUC0wMDIuY3Jshi9maWxlOi8vXFxjYXAtcnRwLTAwMlxDZXJ0 

RW5yb2xsXENBUC1SVFAtMDAyLmNybDAQBgkrBgEEAYI3FQEEAwIBADANBgkqhkiG 

9w0BAQUFAAOCAQEAVoOM78TaOtHqj7sVL/5u5VChlyvU168f0piJLNWip2vDRihm 

E+DlXdwMS5JaqUtuaSd/m/xzxpcRJm4ZRRwPq6VeaiiQGkjFuZEe5jSKiSAK7eHg 

tup4HP/ZfKSwPA40DlsGSYsKNMm3OmVOCQUMH02lPkS/eEQ9sIw6QS7uuHN4y4CJ 

NPnRbpFRLw06hnStCZHtGpKEHnY213QOy3h/EWhdr20FL39l 

aRjeD708f2fYoz9wnEpZbtn2Kzse3uhU1Ygq1D1x9yuPq388C18HWdmCj4OVTXux 

Step 4

exit

Example:

Router(ca-trustpoint)# exit

Exits ca-trustpoint configuration mode and returns to 
global configuration.

Step 5

crypto pki authenticate

 

name

Example:

Router(config)# crypto pki authenticate CAPF

Authenticates the CA (by getting the certificate from the 
CA).

  •

Enter the same 

name

 argument used in the 

crypto pki 

trustpoint

 command in 

Step 1

.

Command or Action

Purpose

Summary of Contents for CP-7911G-CH1

Page 1: ...Inc 170 West Tasman Drive San Jose CA 95134 1706 USA http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 527 0883 Cisco Unified SCCP and SIP SRST System Administrator Guide All Versions April 23 2012 Text Part Number OL 13143 04 ...

Page 2: ...SSED OR IMPLIED INCLUDING WITHOUT LIMITATION THOSE OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING USAGE OR TRADE PRACTICE IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT SPECIAL CONSEQUENTIAL OR INCIDENTAL DAMAGES INCLUDING WITHOUT LIMITATION LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY T...

Page 3: ...Support for Cisco Unified IP Phones and Platforms 23 Finding Cisco IOS Software Releases That Support Cisco Unified SRST 23 Cisco Unified IP Phone Support 24 Platform and Memory Support 24 Cisco Unified Communications Manager Compatibility 24 Signal Support 25 Language Support 25 Switch Support 25 Where to Go Next 25 Additional References 26 Related Documents 27 Standards 29 MIBs 29 RFCs 29 Techni...

Page 4: ...ST Version 2 02 59 Where to Go Next 61 Setting Up the Network 63 Contents 63 Information About Setting Up the Network 64 How to Set Up the Network 64 Enabling IP Routing 64 Enabling Cisco Unified SRST on an MGCP Gateway 64 Configuring DHCP for Cisco Unified SRST Phones 70 Specifying Keepalive Intervals 73 Where to Go Next 74 Cisco Unified SIP SRST 4 1 75 Contents 75 Prerequisites for Cisco Unified...

Page 5: ...Eight Calls per Button Octo Line 98 Configuring the Maximum Number of Calls 100 Troubleshooting 102 How to Set Up Cisco IP Communicator for Cisco Unified SRST 102 Verifying Cisco IP Communicator 103 Troubleshooting Cisco IP Communicator 103 Where to Go Next 103 Setting Up Cisco Unified IP Phones using SIP 105 Contents 105 Prerequisites for Configuring the SIP Registrar 105 Restrictions for Configu...

Page 6: ...igure Optional Features 174 Enabling Three Party G 711 Ad Hoc Conferencing 174 Defining XML API Schema 176 Where to Go Next 176 Configuring Secure SRST for SCCP and SIP 177 Contents 177 Prerequisites for Configuring Secure SRST 177 Restrictions for Configuring Secure SRST 178 Information About Configuring Secure SRST 179 Benefits of Secure SRST 179 Cisco IP Phones Clear Text Fallback During Non Se...

Page 7: ...47 Configuration Examples for SCCP SRST 249 Configuring Local Voice Mail System FXO and FXS Example 249 Configuring Central Location Voice Mail System FXO and FXS Example 250 Configuring Voice Mail Access over FXO and FXS Example 251 Configuring Voice Mail Access over BRI and PRI Example 251 How to Configure DTMF Relay for SIP Applications and Voice Mail 252 DTMF Relay Using SIP RFC 2833 252 DTMF ...

Page 8: ...IP SRST Features Using Redirect Mode 278 Cisco Unified SIP SRST Example 279 Where to Go Next 280 Appendix B Integrating Cisco Unified Communications Manager and Cisco Unified SRST to Use Cisco Unified SRST as a Multicast MOH Resource 281 Contents 281 Prerequisites for Using Cisco Unified SRST Gateways as a Multicast MOH Resource 282 Restrictions for Using Cisco Unified SRST Gateways as a Multicast...

Page 9: ...Contents 9 Cisco Unified SCCP and SIP SRST System Administrator Guide OL 13143 04 Feature Information for Cisco Unified SRST as a Multicast MOH Resource 312 Where to Go Next 313 Index ...

Page 10: ...Contents 10 Cisco Unified SCCP and SIP SRST System Administrator Guide OL 13143 04 ...

Page 11: ...mber of Cisco Unified IP Phones the maximum number of directory numbers DNs or virtual voice ports and memory requirements for Cisco Unified SRST and Cisco Unified SIP SRST see Cisco Unified SRST 4 0 Supported Firmware Platforms Memory and Voice Products Contents Cisco Unified SCCP SRST page 11 Cisco Unified SIP SRST page 19 MGCP Gateways and SRST page 23 Support for Cisco Unified IP Phones and Pl...

Page 12: ...e Settings menu The Settings menu supports a maximum of five default router entries however Cisco Unified CM accommodates a maximum of three entries When a secondary Cisco Unified CM is not available on the network the local Cisco Unified SRST Router s IP address is retained as the standby connection for Cisco Unified CM during normal operation Note Cisco Unified CM fallback mode telephone service...

Page 13: ...o Unified IP phones to Cisco Unified CM When a connection is re established with Cisco Unified CM Cisco Unified IP phones automatically cancel their registration with the Cisco Unified SRST Router However if a WAN link is unstable Cisco Unified IP phones can bounce between Cisco Unified CM and Cisco Unified SRST A Cisco Unified IP phone cannot re establish a connection with the primary Cisco Unifi...

Page 14: ...rn down as a result of the loss of the H 225 keepalive signal For information regarding disconnecting a call when an inactive condition is detected see the Media Inactive Call Detection document Prerequisites for Configuring Cisco Unified SCCP SRST Before configuring Cisco Unified SRST you must do the following You have an account on Cisco com to download software To obtain an account on Cisco com...

Page 15: ...co Unified SRST V3 0 and Later Versions page 15 Installing Cisco Unified SRST V2 0 and V2 1 page 15 Installing Cisco Unified SRST V1 0 page 15 To update Cisco Unified SRST follow the installation instructions described in this section Installing Cisco Unified SRST V3 0 and Later Versions Install the Cisco IOS software release image containing the Cisco SRST or Cisco Unified SRST version that is co...

Page 16: ... pools a From any page in Cisco Unified Communications Manager click System and Device Pool b On the Device Pool Configuration page click on the required device pool icon c On the Device Pool Configuration page choose an SRST reference or Use Default Gateway from the SRST Reference field s menu If You Have Cisco Unified Communications Manager Version Prior to V3 3 If you have firmware versions tha...

Page 17: ...ller Instead the calls are routed to the default destination that is configured on Cisco Emergency Responder for the corresponding ELIN For Cisco Unified Wireless IP Phone 7920 and 7921 a caller s location can only be determined by the static information configured by the system administrator For more information see the Precautions for Mobile Phones in Configuring Enhanced 911 Services The extens...

Page 18: ...tch types The following Cisco Unified IP Phone function keys are dimmed because they are not supported during SRST operation MeetMe GPickUp group pickup Park Confrn conference Although the Cisco IAD2420 series integrated access devices IADs support the Cisco Unified SRST feature this feature is not recommended as a solution for enterprise branch offices Version 1 0 12 2 2 XB 12 2 2 XG 12 1 5 YD Do...

Page 19: ...P phone to Skinny Client Control Protocol SCCP phone SIP phone to WAN VoIP using SIP SIP proxy registrar and B2BUA servers are key components of a SIP VoIP network These servers are usually located in the core of a VoIP network If SIP phones located at remote sites at the edge of the VoIP network lose connectivity to the network core because of a WAN outage they may be unable to make or receive ca...

Page 20: ...s may be configured on the Cisco Unified CM with an Authenticated device security mode The Cisco Unified CM ensures integrity and authentication for the phone using a TLS connection with NULL SHA cipher for signaling If such an Authenticated SIP phone fails over to the Cisco Unified SRST device and if the Cisco Unified CM and SRST device are configured to support secure SIP SRST it will register u...

Page 21: ...if the PSAP calls back after the Cisco Unified IP Phones register back to Cisco Unified Communications Manager Cisco Emergency Responder will not have any history of those calls As a result those calls will not get routed to the original 911 caller Instead the calls are routed to the default destination that is configured on Cisco Emergency Responder for the corresponding ELIN For Cisco Unified Wi...

Page 22: ...y are not supported and have limited functionality with Cisco Unified SIP SRST General Call detail records CDRs are only supported by standard IOS RADIUS support CDRs are not supported otherwise All calls must use the same codec either G 729r8 or G 711 Calls that have been transferred cannot be transferred a second time URL dialing is not supported Only number dialing is supported The SIP registra...

Page 23: ...e are ineffective unless both commands are configured For instance your configuration will not work if you only configure the ccm manager fallback mgcp command For more information on the fallback methods for MGCP gateways see the Configuring MGCP Gateway Support for Cisco Unified Communications Manager document or the MGCP Gateway Fallback Transition to Default H 323 Session Application document ...

Page 24: ...sion 1 2 1 and higher versions is available as of Cisco SRST Version 2 1 For more information see Cisco VG248 Analog Phone Gateway Data Sheet and Cisco VG248 Analog Phone Gateway Version 1 2 1 Release Notes Platform and Memory Support For the most up to date information about Platform and Memory Support see Compatibility Information Determining Platform Support Through Cisco Feature Navigator Cisc...

Page 25: ...ed Kingdom Europe Asia and Australia primary ni National ISDN switch type for the United States primary ntt NTT switch type for Japan primary qsig QSIG switch type primary ts014 TS014 switch type for Australia obsolete Where to Go Next The next chapters of this book describe how to configure Cisco Unified SIP SRST As shown in Table 3 each chapter takes you through tasks in the order in which they ...

Page 26: ...ng basic registrar services Setting Up Cisco Unified IP Phones using SIP page 105 5 Configuring incoming and outgoing calls Configuring Call Handling page 123 6 Configuring optional security for SRST Configuring Secure SRST for SCCP and SIP page 177 7 Setting up voice mail Integrating Voice Mail with Cisco Unified SRST page 235 8 Setting up video parameters Setting Video Parameters page 257 9 Moni...

Page 27: ... Guide Cisco Unified IP Phones Cisco 7900 Series Unified IP Phones End User Guides Cisco IP Phone Authentication and Encryption for Cisco Communications Manager Cisco Unified IP Phone 7970 Series Administration Guide for Cisco Unified CallManager Release 5 0 for models 7970G and 7971G GE SCCP Understanding Security Features for Cisco IP Phones section Cisco Unified SRST commands and specifications...

Page 28: ...e information for voice and telephony commands Cisco IOS Voice Command Reference Cisco IOS Debug Command Reference DHCP Cisco IOS DHCP Server Media Inactive Call Detection Media Inactive Call Detection Phone documentation for Cisco Unified SRST Cisco Unified IP Phones 7900 Series Survivable Remote Site Telephony Standard Glossary Cisco IOS Voice Configuration Library Glossary Standard Preface Cisc...

Page 29: ... Version 3 Public Key and Attribute Certificate Frameworks MIB MIBs Link No new or modified MIBs are supported by this feature and support for existing MIBs has not been modified by this feature To locate and download MIBs for selected platforms Cisco IOS releases and feature sets use Cisco MIB Locator found at the following URL http www cisco com go mibs RFC Title RFC 2246 The Transport Layer Sec...

Page 30: ...Cisco Unified SCCP and SIP SRST Feature Overview Obtaining Documentation Obtaining Support and Security Guidelines 30 Cisco Unified SCCP and SIP SRST System Administrator Guide OL 13143 04 ...

Page 31: ...Use Cisco Feature Navigator to find information about platform support and Cisco IOS software image support Access Cisco Feature Navigator at http www cisco com go fn You must have an account on Cisco com If you do not have an account or have forgotten your username or password click Cancel at the login dialog box and follow the instructions that appear Contents Documentation Organization page 32 ...

Page 32: ... page 105 Describes features available in Version 3 0 that are also necessary for Version 3 4 Features include instructions on how to provide a backup to an external SIP proxy server by providing basic registrar services These services are used by a SIP IP phone in the event of a WAN connection outage when the SIP phone is unable to communicate with its primary SIP proxy Configuring Call Handling ...

Page 33: ...nd TLS connections providing both RTP and SRTP media connections based on the security settings of the IP phone For more information see the following sections Signaling Security on Unify SRST TLS page 180 Media Security on Unify SRST SRTP page 182 Configuring Secure SIP Call Signaling and SRTP Media with Cisco SRST page 221 Version 7 0 4 3 See Cisco Feature Navigator for compatibility Configuring...

Page 34: ...de Version 3 3 Secure SRST page 48 Cisco Unified IP Phone 7970G and Cisco Unified 7971G GE Support page 49 Enhancement to the show ephone Command page 49 Version 3 2 12 3 11 T Enhancement to the alias Command page 50 Enhancement to the pickup Command page 50 Enhancement to the user locale Command page 50 Increased the Number of Cisco Unified IP Phones Supported on the Cisco 3845 page 50 MOH Live F...

Page 35: ...P Phone 7912G Support page 59 Additional Language Options for IP Phone Display page 58 Cisco SRST Aggregation page 58 Cisco ATA 186 and ATA 188 Support page 58 Cisco Unified IP Phone 7905G Support page 59 Cisco Unified IP Phone Expansion Module 7914 Support page 59 Enhancement to the dialplan pattern Command page 59 Version 2 02 Cisco Unified IP Phone Conference Station 7935 Support page 60 Increa...

Page 36: ... SRST was implemented on the Cisco 1750 and Cisco 1751 routers Huntstop support Class of restriction COR Translation rule support MOH and tone on hold Distinctive ringing Forward to a central voice mail or auto attendant AA through PSTN during Cisco Unified Communications Manager fallback Phone number alias support during Cisco Unified Communications Manager fallback enhanced default destination s...

Page 37: ...t supported during Cisco Unified SRST operation Extension to extension dialing Direct Inward Dialing DID Direct Outward Dialing DOD Calling party ID Caller ID ANI display Last number redial Preservation of local extension to extension calls when WAN link fails Preservation of local extension to PSTN calls when WAN link fails Preservation of calls in progress when failed WAN link is re established ...

Page 38: ... 2 page 49 New Features in Cisco SRST Version 3 1 page 52 New Features in Cisco SRST Version 3 0 page 53 New Features in Cisco SRST Version 2 1 page 57 New Features in Cisco SRST Version 2 02 page 59 New Features in Cisco Unified SRST Version 9 0 Cisco Unified SRST 9 0 supports the following new Cisco Unified SIP IP phones Cisco Unified 6901 and 6911 SIP IP Phones Cisco Unified 6921 6941 6945 and ...

Page 39: ...d KEM Not Supported Not Supported Meet Me Conference Not Supported Not Supported Mobility Not Supported Not Supported Multicast MoH Not Supported Not Supported Multicast Paging Not Supported Not Supported MyPhoneApp Not Supported Not Supported Pickup Not Supported Not Supported Privacy Not Supported Not Supported Programmable Line Key Not Supported Not Supported Redial Supported Supported Resume S...

Page 40: ...orted Not Supported Directory Service Supported1 Supported1 Supported1 Supported1 Extension Mobility Not Supported Not Supported Not Supported Not Supported Group Pickup Not Supported Not Supported Not Supported Not Supported Hold Supported Supported Supported Supported Intercom Not Supported Not Supported Not Supported Not Supported KEM Not Supported Not Supported Not Supported Not Supported Meet...

Page 41: ...ed SRST 9 0 Features 8941 8945 After Hour Not Supported Not Supported Barge Not Supported Not Supported Busy Lamp Field Monitoring Not Supported Not Supported Button Layout Not Supported Not Supported Call Forward All Softkey Not Supported Not Supported Call Park Not Supported Not Supported Call Transfer Supported Supported cBarge Not Supported Not Supported Directory Service Not Supported Not Sup...

Page 42: ...re hardcoded for Cisco Unified 8941 and 8945 SCCP IP phones In Cisco Unified SRST 9 0 you can configure the max dn and timeouts busy commands in call manager fallback configuration mode Use the max dn command to set the maximum number of DNs that can be supported by the router and enable dual line mode octo line mode or both modes Use the timeouts busy command to set the timeout value for call tra...

Page 43: ... phone Cisco ATA 187 functions as a Cisco Unified SIP IP phone that supports T 38 fax relay and fax pass through enabling the real time transmission of fax over IP networks The fax rate is from 7 2 to 14 4 kbps For more information on Cisco ATA 187 see Cisco ATA 187 Analog Telephone Adaptor Administration Guide for SIP Table 6 Features Supported on Cisco ATA 187 in Cisco Unified SRST 9 0 Features ...

Page 44: ...ot Supported Not Supported Not Supported Call Transfer Supported Supported Supported Call Transfer Recall Not Supported Not Supported Not Supported cBarge Not Supported Not Supported Not Supported Conferencing1 Supported Supported Supported Directory Services Supported Supported Supported Enhanced Busy Lamp Field Monitoring Not Supported Not Supported Not Supported Extension Mobility Not Supported...

Page 45: ...aling over UDP TCP and TLS connections providing both RTP and SRTP media connections based on the security settings of the IP phone New Features in Cisco Unified SRST Version 7 0 4 3 Cisco Unified SRST 7 0 4 3 supports the following new features Configuring Eight Calls per Button Octo Line page 98 Configuring Consultative Transfer page 134 Shared Lines Supported Supported Supported Single Number R...

Page 46: ...o Unified IP Phone 7941G and Cisco Unified IP Phone 7941G GE Cisco Unified IP Phone 7960G Cisco Unified IP Phone 7961G and Cisco Unified IP Phone 7961G GE In addition the Cisco Unified IP Phone 7914 Expansion Module can attach to the Cisco 7941G GE and Cisco 7961G GE The Cisco 7914 Expansion Module adds additional features such as adding 14 line appearances or speed dial numbers to your phone You ...

Page 47: ...tion see the Parameters and Defaults chapter in Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator s Guide for SCCP H 323 VoIP Call Preservation Enhancements for WAN Link Failures for SCCP Phones H 323 VoIP call preservation enhancements for WAN link failures sustains connectivity for H 323 topologies where signaling is handled by an entity such as Cisco Unified Communications ...

Page 48: ...ures described in the following sections Secure SRST page 48 Cisco Unified IP Phone 7970G and Cisco Unified 7971G GE Support page 49 Enhancement to the show ephone Command page 49 Secure SRST Secure Cisco IP phones that are located at remote sites and that are attached to gateway routers can communicate securely with Cisco Unified Communications Manager using the WAN But if the WAN link or Cisco U...

Page 49: ...ine help for buttons and feature and a variety of other sophisticated functions No configurations specific to SRST are necessary For more information see the Cisco Unified IP Phone 7900 Series documentation index Note The Cisco Unified IP Phone 7914 Expansion Module can attach to your Cisco Unified IP Phones 7970G and 7971G GE See the Cisco Unified IP Phone Expansion Module 7914 Support section on...

Page 50: ...more information see the pickup command in Cisco Unified SRST and Cisco Unified SIP SRST Command Reference All Versions Enhancement to the user locale Command The user locale command is enhanced to display the Japanese Katakana country code Japanese Katakana is available in Cisco Unified Communications Manager V4 0 or later versions For more information see the user locale command in the Cisco Uni...

Page 51: ... from the out of band SCCP digit indication to the SIP standard for DTMF relay which is RFC 2833 You select this method in the SIP VoIP dial peer using the dtmf relay rtp nte command See the How to Configure DTMF Relay for SIP Applications and Voice Mail section on page 252 for configuration instructions To use voice mail on a SIP network that connects to a Cisco Unity Express system use a nonstan...

Page 52: ...at provides comprehensive voice communications in conjunction with Cisco Unified CM and Cisco Aironet 1200 1100 350 and 340 Series of Wi Fi IEEE 802 11b access points As a key part of the Cisco AVVID Wireless Solution the Cisco Unified Wireless IP Phone 7920 delivers seamless intelligent services such as security mobility quality of service QoS and management across an end to end Cisco network No ...

Page 53: ...pean Date Formats page 56 Huntstop for Dual Line Mode page 56 Music on Hold for Multicast from Flash Files page 56 Ringing Timeout Default page 56 Secondary Dial Tone page 56 Enhancement to the show ephone Command page 56 System Log Messages for Phone Registrations page 57 Three Party G 711 Ad Hoc Conferencing page 57 Support for Cisco VG248 Analog Phone Gateway 1 2 1 and Higher Versions page 57 A...

Page 54: ...on application see the Default Session Application Enhancements document For configuration information see the Enabling Consultative Call Transfer and Forward Using H 450 2 and H 450 3 with Cisco SRST 3 0 section on page 148 Customized System Message for Cisco Unified IP Phones The display message that appears on Cisco Unified IP Phone 7905G Cisco Unified IP Phone 7940G Cisco Unified IP Phone 7960...

Page 55: ...e R2 signaling types in the specified country but Cisco supports the ITU variant Cisco Systems also supports specific local variants of E1 R2 signaling in the following regions countries and corporations Argentina Australia Bolivia Brazil Bulgaria China Colombia Costa Rica East Europe includes Croatia Russia and Slovak Republic Ecuador ITU Ecuador LME Greece Guatemala Hong Kong uses the China vari...

Page 56: ...ns on which no answer call forwarding has not been enabled Expiration of the timeout causes incoming calls to return a disconnect code to the caller This mechanism provides protection against hung calls for inbound calls received over interfaces such as Foreign Exchange Office FXO that do not have forward disconnect supervision For more information see the Configuring the Ringing Timeout Default s...

Page 57: ...The Cisco VG248 is a high density gateway for using analog phones fax machines modems voice mail systems and speakerphones within an enterprise voice system based on Cisco Unified CM During Cisco Unified CM fallback Cisco SRST considers the Cisco VG248 to be a group of Cisco Unified IP Phones Cisco Unified SRST counts each of the 48 ports on the Cisco VG248 as a separate Cisco Unified IP Phone Sup...

Page 58: ...rding to work properly Cisco ATA 186 and ATA 188 Support The Cisco ATA analog telephone adaptors are handset to Ethernet adaptors that allow regular analog telephones to operate on IP based telephony networks Cisco ATAs support two voice ports each with an independent telephone number The Cisco ATA 188 also has an RJ 45 10 100BASE T data port Cisco SRST supports Cisco ATA 186 and Cisco ATA 188 usi...

Page 59: ... allows the phone to receive power over the LAN This capability gives the network administrator centralized power control and thus greater network availability The combination of inline power and Ethernet switch support reduces cabling needs to a single wire to the desktop Cisco Unified IP Phone Expansion Module 7914 Support The Cisco Unified IP Phone 7914 Expansion Module attaches to your Cisco U...

Page 60: ...fied IP Phone 7935 provides three soft keys and menu navigation keys that guide a user through call features and functions The Cisco Unified IP Phone 7935 also features a pixel based LCD display The display provides features such as date and time calling party name calling party number digits dialed and feature and line status No configuration is necessary Increase in Directory Numbers Table 8 sho...

Page 61: ... Survivable Remote Site Telephony Feature Roadmap Where to Go Next 61 Cisco Unified SCCP and SIP SRST System Administrator Guide OL 13143 04 Where to Go Next Proceed to the Setting Up the Network section on page 63 ...

Page 62: ...Cisco Unified Survivable Remote Site Telephony Feature Roadmap Where to Go Next 62 Cisco Unified SCCP and SIP SRST System Administrator Guide OL 13143 04 ...

Page 63: ...This chapter describes how to configure your Cisco Unified Survivable Remote Site Telephony SRST router to run DHCP and to communicate with the IP phones during Cisco Unified Communications Manager fallback Contents Information About Setting Up the Network page 64 How to Set Up the Network page 64 Where to Go Next page 74 ...

Page 64: ...twork communication The other task is configuring the Cisco Unified SRST router to receive messages from the Cisco IP phones through the specified IP addresses Keepalive intervals are also set at this time How to Set Up the Network This section contains the following tasks Enabling IP Routing page 64 Required Enabling Cisco Unified SRST on an MGCP Gateway Required Configuring DHCP for Cisco Unifie...

Page 65: ...lease prior to Cisco IOS Release 12 3 14 T SUMMARY STEPS 1 enable 2 configure terminal 3 ccm manager fallback mgcp 4 call application alternate application name or service alternate default service name location 5 exit DETAILED STEPS Command or Action Purpose Step 1 enable Example Router enable Enables privileged EXEC mode Enter your password when prompted Step 2 configure terminal Example Router ...

Page 66: ...r if the MGCP application is not available The application name argument is optional and indicates the name of the specific voice application to use if the application in the dial peer fails If a specific application name is not entered the gateway uses the DEFAULT application Or The service command loads and configures a specific standalone application on a dial peer The keywords and arguments ar...

Page 67: ...obal configuration mode Step 3 ccm manager fallback mgcp Example Router config ccm manager fallback mgcp Enables the gateway fallback feature and allows an MGCP voice gateway to provide call processing services through SRST or other configured applications when Cisco Unified Communications Manager is unavailable Step 4 application application name Example Router config application app xfer The app...

Page 68: ...dn switch type primary net5 isdn incoming voice voice isdn bind l3 ccm manager no cdp enable Step 6 service alternate default service name location Example Router config service myapp https myserver myfile vxml Loads and configures a specific standalone application on a dial peer alternate Optional Alternate service to use if the service that is configured on the dial peer fails default Optional S...

Page 69: ...5 mgcp mgcp dtmf relay voip codec all mode cisco mgcp package capability rtp package mgcp sdp simple mgcp profile default dial peer cor custom dial peer voice 10 pots application mgcpapp incoming called number destination pattern 9T direct inward dial port 1 0 15 call manager fallback limit dn 7960 2 ip source address 10 48 80 9 port 2000 max ephones 10 max dn 32 dialplan pattern 1 704 extension l...

Page 70: ...P lease has expired will not reactivate the phones because they will be unable to obtain an IP address or other configuration information Having your DHCP server local to your remote site ensures that the phones can continue to renew their IP address leases in the event of an extended WAN failure Choose one of the following tasks to set up DHCP service for your Cisco UnifiedIP Phones Defining a Si...

Page 71: ...nfig dhcp network 10 0 0 0 255 255 0 0 Specifies the IP address of the DHCP address pool and the optional mask or number of bits in the address prefix preceded by a forward slash Step 3 option 150 ip ip address Example Router config dhcp option 150 ip 10 0 22 1 Specifies the TFTP server address from which the Cisco IP phone downloads the image configuration file This needs to be the IP address of ...

Page 72: ... pool2 Creates a name for the DHCP server address pool and enters DHCP pool configuration mode Step 2 host ip address subnet mask Example Router config dhcp host 10 0 0 0 255 255 0 0 Specifies the IP address that you want the phone to use Step 3 option 150 ip ip address Example Router config dhcp option 150 ip 10 0 22 1 Specifies the TFTP server address from which the Cisco IP phone downloads the ...

Page 73: ...ep 1 service dhcp Example Router config service dhcp Enables the Cisco IOS DHCP Server feature on the router Step 2 interface type number Example Router config interface serial 0 Enters interface configuration mode for the specified interface See Cisco IOS Interface and Hardware Component Command Reference Release 12 3T for more information Step 3 ip helper address ip address Example Router config...

Page 74: ... information see the Additional References section on page 26 in the Cisco Unified SCCP and SIP SRST Feature Overview chapter Command or Action Purpose Step 1 call manager fallback Example Router config call manager fallback Enters call manager fallback configuration mode Step 2 keepalive seconds Example Router config cm fallback keepalive 60 Sets the time interval in seconds between keepalive mes...

Page 75: ...f SCCP phones supported For example 3845 now supports 720 phones regardless of whether these are SIP or SCCP Contents Prerequisites for Cisco Unified SIP SRST 4 1 page 75 Restrictions for Cisco Unified SIP SRST 4 1 page 76 Information About Cisco Unified SIP SRST 4 1 page 76 How to Configure Cisco Unified SIP SRST 4 1 Features page 79 Where to Go Next page 83 Prerequisites for Cisco Unified SIP SR...

Page 76: ...P Supplementary Services for Call Forward and Call Transfer page 78 Idle Prompt Status page 78 Enhanced 911 Services page 78 Out of Dialog REFER Out of dialog REFER OOD R enables remote applications to establish calls by sending a REFER message to Cisco Unified SRST without an initial INVITE After the REFER is sent the remainder of the call setup is independent of the application and the media str...

Page 77: ...rmine when digit collection is complete after a user goes off hook and dials a destination number Dial plans enable SIP phones to perform local digit collection and recognize dial patterns as user input is collected After a pattern is recognized the SIP phone sends an INVITE message to Cisco Unified SRST to initiate the call to the number matching the user s input All of the digits entered by the ...

Page 78: ...ervices is supported if all endpoints use SCCP or all endpoints use SIP It is not supported for a mix of SCCP and SIP endpoints Idle Prompt Status A message displays on the status line of a SIP phone after the phone registers to Cisco Unified SRST to indicate that Cisco Unified SRST is providing fallback support for the Cisco Unified Communications Manager This message informs the user that the ph...

Page 79: ...r disconnects prematurely the PSAP has the information it needs to contact the 911 caller See Configuring Enhanced 911 Services from Cisco Unified Communications Manager Express System Administrator Guide for more information How to Configure Cisco Unified SIP SRST 4 1 Features This section contains the following tasks Enabling KPML for SIP Phones page 79 Disabling SIP Supplementary Services for C...

Page 80: ...ice register pool 4 Enters voice register pool configuration mode to set phone specific parameters for a SIP phone pool tag Unique sequence number of the SIP phone to be configured Range is version and platform dependent type to display range You can modify the upper limit for this argument with the max pool command Step 4 digit collect kpml Example Router config register pool digit collect kpml E...

Page 81: ...them SUMMARY STEPS 1 enable 2 configure terminal 3 voice service voip or dial peer voice tag voip 4 no supplementary service sip moved temporarily refer 5 end DETAILED STEPS Command or Action Purpose Step 1 enable Example Router enable Enables privileged EXEC mode Enter your password if prompted Step 2 configure terminal Example Router configure terminal Enters global configuration mode Step 3 voi...

Page 82: ...le 2 configure terminal 3 voice register global 4 system message string 5 end 6 show voice register global Step 4 no supplementary service sip moved temporarily refer Example Router conf voi serv no supplementary service sip refer or Router config dial peer no supplementary service sip refer Disables SIP call forwarding or call transfer supplementary services globally or for a dial peer moved temp...

Page 83: ...e terminal Example Router configure terminal Enters global configuration mode Step 3 voice register global Example Router config voice register global Enters voice register global configuration mode to set global parameters for all supported SIP phones in a Cisco Unified CME environment Step 4 system message string Example Router config register global system message fallback active Defines a stat...

Page 84: ...Cisco Unified SIP SRST 4 1 Where to Go Next 84 Cisco Unified SCCP and SIP SRST System Administrator Guide OL 13143 04 ...

Page 85: ...t page 103 Information About Setting Up Cisco Unified IP Phones Cisco Unified IP Phone configuration is limited for Cisco Unified SRST because IP phones retain nearly all Cisco Unified CM settings during Cisco Unified CM fallback You can configure the date format time format language and system messages that appear on Cisco Unified IP Phones during Cisco Unified Communications Manager fallback All...

Page 86: ... Line Phones page 96 Required Under Certain Conditions Configuring Eight Calls per Button Octo Line page 98 Optional Configuring the Maximum Number of Calls page 100 Optional Troubleshooting page 102 Optional Configuring Cisco Unified SRST to Support Phone Functions Tip When the Cisco Unified SRST is enabled Cisco Unified IP Phones do not have to be reconfigured while in Cisco Unified Communicatio...

Page 87: ... 0 See Compatibility Information for further details dual line Optional Allows IP phones in Cisco Unified Communications Manager fallback mode to have a virtual voice port with two channels preference preference order Optional Sets the global preference for creating the VoIP dial peers for all directory numbers that are associated with the primary number Range is from 0 to 10 Default is 0 which is...

Page 88: ...ig cm fallback limit dn 7945 2 Optional Limits the directory number lines on Cisco IP phones during Cisco Unified CM fallback Note You must configure this command during initial Cisco Unified SRST router configuration before any phone actually registers with the Cisco Unified SRST router However you can modify the number of lines at a later time For a list of available phones see Cisco SRST and SI...

Page 89: ...hat the default router IP address on the phones matches the IP address of the Cisco Unified SRST router Command or Action Purpose Step 1 enable Example Router enable Enables privileged EXEC mode Enter your password if prompted Step 2 configure terminal Example Router configure terminal Enters global configuration mode Step 3 ephone type phone type Example Router config ephone type 8941 Enters phon...

Page 90: ...stered to the Cisco Unified SRST router d Enter the no form of the appropriate access list command to restore normal service for the phone Configuring IP Phone Clock Date and Time Formats The Cisco Unified IP Phone 7970G and Cisco Unified IP Phone 7971G GE IP phones obtain the correct timezone from Cisco Unified Communications Manager They also receive the Coordinated Universal Time UTC time from ...

Page 91: ...fect The length of the zone argument is limited to 7 characters hours offset The number of hour difference from Coordinated Universal Time UTC minutes offset Optional Minutes difference from UTC Step 2 call manager fallback Example Router config call manager fallback Enters call manager fallback configuration mode Step 3 date format mm dd yy dd mm yy yy dd mm yy mm dd Example Router config cm fall...

Page 92: ...United States The Cisco Unified IP Phone 7940 and Cisco Unified IP Phone 7960 can be configured for different languages character sets and spelling conventions using the user locale command Note This configuration option is available in Cisco SRST V2 1 and later versions running under Cisco Unified CM V3 2 and later versions Systems with software prior to Cisco Unified SRST V2 1 and Cisco Unified ...

Page 93: ...locale country code Example Router config cm fallback user locale ES Selects a language by country for displays on the Cisco IP Phone 7940 and Cisco IP Phone 7960 The following ISO 3166 codes are available to Cisco SRST and Cisco Unified SRST systems running under Cisco Communications Manager V3 2 or later versions DE German DK Danish ES Spanish FR French IT Italian JP Japanese Katakana available ...

Page 94: ...nfiguration or at the end of each call Note The normal in service static text message is controlled by Cisco Unified Communications Manager SUMMARY STEPS 1 call manager fallback 2 system message primary primary string secondary secondary string 3 exit DETAILED STEPS Command or Action Purpose Step 1 call manager fallback Example Router config call manager fallback Enters call manager fallback confi...

Page 95: ...digits are dialed An example is when a secondary dial tone is heard after the number 9 is dialed to reach an outside line SUMMARY STEPS 1 call manager fallback 2 secondary dialtone digit string 3 exit DETAILED STEPS Examples The following example sets the number 8 to trigger a secondary dial tone call manager fallback secondary dialtone 8 Command or Action Purpose Step 1 call manager fallback Exam...

Page 96: ...capability enables call waiting call transfer and conference functions on a phone line button In dual line mode each IP phone and its associated line button can support one or two calls Selection of one of two calls on the same line is made using the blue Navigation button located below the phone display When one of the dual line channels is used on a specific phone other phones that share the eph...

Page 97: ...s dual line mode max directory numbers Maximum number of directory numbers dns or virtual voice ports supported by the router The maximum number is platform dependent The default is 0 See Compatibility Information for further details dual line Optional Allows IP phones in Cisco Unified Communications Manager fallback mode to have a virtual voice port with two channels preference preference order O...

Page 98: ...ls is displayed on other ephones sharing the directory number After a connected call on an octo line directory number is put on hold any phone that shares this directory number can pick up the held call If a phone is in the process of transferring a call or creating a conference other phones that share the octo line directory number cannot steal the call As new calls come in on an octo line the sy...

Page 99: ... dns or virtual voice ports supported by the router The maximum number is platform dependent The default is 0 dual line Optional Allows IP phones in Cisco Unified Communications Manager fallback mode to have a virtual voice port with two channels octo line Optional Allows IP phones in Cisco Unified Communications Manager fallback mode to have a virtual voice port with eight channels number Optiona...

Page 100: ...fied SCCP IP phone in Cisco Unified SRST 9 0 perform the following steps Prerequisites Cisco Unified SRST 9 0 and later versions Correct firmware 9 2 1 or a later version is installed SUMMARY STEPS 1 enable 2 configure terminal 3 call manager fallback 4 max dn max no of directories dual line octo line 5 timeouts busy seconds 6 end DETAILED STEPS Command or Action Purpose Step 1 enable Example Rout...

Page 101: ...s platform dependent The default is 0 directory numbers and 1 channel per virtual port dual line Optional Sets all Cisco Unified IP phones connected to a Cisco Unified SRST router to one virtual voice port with two channels octo line Optional Sets all Cisco Unified IP phones connected to a Cisco Unified SRST router to one virtual voice port with eight channels Step 5 timeouts busy seconds Example ...

Page 102: ...ges use the debug ephone raw command For further debugging see Cisco IOS Debug Command Reference How to Set Up Cisco IP Communicator for Cisco Unified SRST Cisco IP Communicator is a software based application that delivers enhanced telephony support on personal computers Cisco IP Communicator appears on a user s computer monitor as a graphical display based IP phone with a color screen a keypad f...

Page 103: ... Failure and register itself Step 8 Cisco IP Communicator should have retained the original buttons and numbers for Cisco IP Communicator Verifying Cisco IP Communicator Step 1 Use the show running config command to display ephone dn and ephone information associated with this phone Step 2 After Cisco IP Communicator registers with Cisco Unified SRST it displays the phone extensions and soft keys ...

Page 104: ...Setting Up Cisco Unified IP Phones using SCCP Where to Go Next 104 Cisco Unified SCCP and SIP SRST System Administrator Guide OL 13143 04 ...

Page 105: ...sites for Configuring the SIP Registrar page 105 Restrictions for Configuring the SIP Registrar page 105 Information About Configuring the SIP Registrar page 106 How to Configure the SIP Registrar page 106 Where to Go Next page 120 Prerequisites for Configuring the SIP Registrar Complete the prerequisites documented in the Prerequisites for Configuring Cisco Unified SIP SRST section on page 19 sec...

Page 106: ... required Configuring Backup Registrar Service to SIP Phones page 108 required Configuring Backup Registrar Service to SIP Phones Using Optional Commands page 112 optional Verifying SIP Registrar Configuration page 115 optional Verifying Proxy Dial Peer Configuration page 117 optional Configuring the SIP Registrar The local SIP gateway that becomes the SIP registrar acts as a backup SIP proxy and ...

Page 107: ... or Action Purpose Step 1 enable Example Router enable Enables privileged EXEC mode Enter your password if prompted Step 2 configure terminal Example Router configure terminal Enters global configuration mode Step 3 voice service voip Example Router config voice service voip Enters voice service configuration mode Step 4 allow connections sip to sip Example Router config voi srv allow connections ...

Page 108: ...rol over which registrations are accepted by a Cisco Unified SIP SRST device and which can be rejected Registrations that match this pool create VoIP SIP dial peers with the dial peer attributes set to these configurations Although only the id command is mandatory this configuration example shows basic functionality For command level information see the appropriate command page in Cisco Unified SR...

Page 109: ...autogenerated dial peers that route all calls from the PSTN to Cisco Unified SIP SRST When a SIP phone registers to Cisco Unified SIP SRST and the proxy command is enabled two dial peers are automatically created The first dial peer routes to the proxy and the second or fallback dial peer routes to the SIP phone The same functionality can also be achieved with the appropriate creation of static di...

Page 110: ... command to control which registrations are accepted or rejected by a Cisco Unified SIP SRST device Step 5 id network address mask mask ip address mask mask mac address Example Router config register pool id network 172 16 0 0 mask 255 255 0 0 Explicitly identifies a locally available individual or set of SIP IP phones The keywords and arguments are defined as follows network address mask mask The...

Page 111: ...d with the preference command Range is from 0 to 10 The highest preference is 0 There is no default monitor probe Optional Enables monitoring of proxy dial peers icmp ping Enables monitoring of proxy dial peers using ICMP ping Note The dial peer on which the probe is configured will be excluded from call routing only for outbound calls Inbound calls can arrive through this dial peer rtr Enables mo...

Page 112: ...EPS 1 enable 2 configure terminal 3 voice register pool tag 4 translation profile outgoing profile tag 5 alias tag pattern to target preference value 6 cor incoming outgoing cor list name cor list number starting number ending number default 7 incoming called number number 8 number tag number pattern preference value huntstop 9 dtmf relay cisco rtp rtp nte sip notify 10 end DETAILED STEPS Command ...

Page 113: ...e value Example Router config register pool alias 1 94 to 91011 preference 8 Allows Cisco Unified SIP IP Phones to handle inbound PSTN calls to telephone numbers that are unavailable when the main proxy is not available The keywords and arguments are defined as follows tag Number from 1 to 5 and the distinguishing factor when there are multiple alias commands pattern The prefix number matches the ...

Page 114: ...luded Can also be a standalone number Optional Indicator that a full range is configured ending number Optional End of a directory number range default Instructs the router to use an existing default COR list Step 7 incoming called number number Example Router config register pool incoming called number 308 Applies incoming called parameters to dynamically created dial peers The number argument is...

Page 115: ...ass codec 1 Verifying SIP Registrar Configuration To help you troubleshoot a SIP registrar and voice register pool perform the following steps SUMMARY STEPS 1 debug voice register errors 2 debug voice register events 3 show sip ua status registrar Step 9 dtmf relay cisco rtp rtp nte sip notify Example Router config register pool dtmf relay rtp nte Specifies how a SIP gateway relays dual tone multi...

Page 116: ...ct 192 168 0 2 add to contact table Apr 22 10 50 21 731 PDT VOICE_REG_POOL key 91011 exists in contact table Apr 22 10 50 21 731 PDT VOICE_REG_POOL contact 192 168 0 2 exists in contact table ref updated Apr 22 10 50 21 731 PDT VOICE_REG_POOL Created dial peer entry of type 1 Apr 22 10 50 21 731 PDT VOICE_REG_POOL Registration successful for 91011 registration id is 257 Using the debug voice regis...

Page 117: ...g Proxy Dial Peer Configuration To use the icmp ping keyword with the proxy command to assist in troubleshooting proxy dial peers perform the following steps SUMMARY STEPS 1 configure terminal 2 voice register pool tag 3 proxy ip address preference value monitor probe icmp ping rtr alternate ip address 4 end 5 show voice register dial peers 6 show dial peer voice ...

Page 118: ... address Example Router config register pool proxy 10 2 161 187 preference 1 monitor probe icmp ping Set the proxy command to monitor with icmp ping Step 4 end Example Router config register pool end Returns to privileged EXEC mode Step 5 show voice register dial peers Example Router show voice register dial peers dial peer voice 40035 voip preference 5 destination pattern 91011 session target ipv...

Page 119: ...ion both incoming COR list maximum capability Default output for cor command outgoing COR list minimum requirement Default output for cor command Translation profile Incoming Translation profile Outgoing incoming call blocking translation profile disconnect cause no service advertise 0x40 capacity_update_timer 25 addrFamily 4 oldAddrFamily 4 type voip session target ipv4 10 2 161 187 technology pr...

Page 120: ...e payload size 20 bytes fax protocol system fax relay ecm enable fax NSF 0xAD0051 default codec g729r8 payload size 20 bytes Media Setting flow through global Expect factor 0 Icpif 20 Playout Mode is set to adaptive Initial 60 ms Max 300 ms Playout delay Minimum mode is set to default value 40 ms Fax nominal 300 ms Max Redirects 1 signaling type cas VAD enabled Poor QOV Trap disabled Source Interf...

Page 121: ...Setting Up Cisco Unified IP Phones using SIP Where to Go Next 121 Cisco Unified SCCP and SIP SRST System Administrator Guide OL 13143 04 ...

Page 122: ...Setting Up Cisco Unified IP Phones using SIP Where to Go Next 122 Cisco Unified SCCP and SIP SRST System Administrator Guide OL 13143 04 ...

Page 123: ...User Agent Mode page 124 Information About Configuring SCCP SRST Call Handling page 124 Information About Configuring SIP SRST Features Using Back to Back User Agent Mode page 125 How to Configure Cisco Unified SCCP SRST page 127 How to Configure Cisco Unified SIP SRST page 164 How to Configure Optional Features page 174 Where to Go Next page 176 Prerequisites for Configuring SIP SRST Features Usi...

Page 124: ...as Cisco Unified Communications Manager that is different from the other endpoint and brokers signaling between the two connected parties Call preservation is useful when a gateway and the other endpoint typically a Cisco Unified IP phone are collocated at the same site and call agent is remote and therefore more likely to experience connectivity failures For configuration information see Configur...

Page 125: ...ition it maintains a presence as call middleman in the call path Cisco SIP SRST 3 4 supports the following call combinations SIP phone to SIP phone SIP phone to PSTN router voice port SIP phone to SCCP phone Cisco Unified SIP SRST and Cisco SIP Communications Manager Express Feature Crossover The voice regisiter dn voice register global and voice register pool configuration mode commands are acces...

Page 126: ...obal X mode global X mwi global X reset global X tftp path global X timezone global X upgrade global X url global X voicemail global X after hour exempt X pool X application X pool X call forward pool X call waiting pool X codec X pool X description pool X dnd control pool X dtmf relay pool X id pool X keep conference pool X max pool pool X number X pool X Table 1 Version 3 4 New or Enhanced Comma...

Page 127: ...routing page 129 Optional Configuring Call Pickup page 132 Optional Configuring Transfer Digit Collection Method page 136 Phone Number Conversion and Translation Configuring Global Prefixes page 137 Optional Enabling Digit Translation Rules page 139 Optional preference X pool X proxy X pool X reset pool X speed dial pool X template pool X translation profile X pool X type pool X username pool X va...

Page 128: ...co Unified CM fallback can be configured to be forwarded to one or more E 164 numbers SUMMARY STEPS 1 call manager fallback 2 call forward busy directory number 3 call forward noan directory number timeout seconds 4 exit DETAILED STEPS Command or Action Purpose Step 1 call manager fallback Example Router config call manager fallback Enters call manager fallback configuration mode Step 2 call forwa...

Page 129: ...lt destination command instead of the default destination command The alias command provides a mechanism for rerouting calls to telephone numbers that are unavailable during fallback Up to 50 sets of rerouting alias rules can be created for calls to telephone numbers that are unavailable during Cisco Unified Communications Manager fallback Sets of alias rules are created using the alias command An...

Page 130: ...so that if the first SRST phone is busy you can forward the call to a second SRST phone The cfw keyword also allows you to alias a phone number to itself permitting setting of per phone number forwarding An example of aliasing a number to itself follows If a phone registers with extension 1001 a dial peer that routes calls to the phone is automatically created for 1001 If the call manager fallback...

Page 131: ...lback tag Identifier for alias rule range The range is from 1 to 50 number pattern Pattern to match the incoming telephone number This pattern may include wildcards to Connects the tag number pattern to the alternate number alternate number Alternate telephone number to route incoming calls to match the number pattern The alternate number has to be a specific extension that belongs to an IP phone ...

Page 132: ...hrough all the SRST phones to find a ringing call that has a called number that matches the configured telephone number When a match is found the call is automatically forwarded to the extension number of the phone that requested the call pickup The SRST pickup command is designed to operate in a manner compatible with Cisco Unified Communications Manager Step 3 max dn max directory numbers dual l...

Page 133: ...Step 1 call manager fallback Example Router config call manager fallback Enters call manager fallback configuration mode Step 2 no huntstop Example Router config cm fallback no huntstop Disables huntstop Step 3 alias tag number pattern to alternate number Example Router config cm fallback alias 1 8005550100 to 5001 Creates a set rules for rerouting calls to sets of phones that are unavailable duri...

Page 134: ...y Configuring Consultative Transfer Before Cisco Unified SRST 4 3 the consultative transfer feature played a dial tone and collected dialed digits until the digits matched the pattern for consultative transfer blind transfer or PSTN transfer blocking The after hours blocking criteria was applied after the consultative transfer digit collection and pattern matching The new feature modifies the tran...

Page 135: ...transfer blocking or interdigit timer expiration remains It includes displaying an error message on the prompt line and logging it if debug ephone error is enabled playing a fast busy or busy tone and terminating the consultative transfer call leg No new configuration is required to support these enhancements Conference Calls No configuration steps are required for these conference call enhancemen...

Page 136: ...all manager fallback 4 transfer digit collect new call orig call 5 end DETAILED STEPS Command or Action Purpose Step 1 enable Example Router enable Enables privileged EXEC mode Enter your password if prompted Step 2 configure terminal Example Router configure terminal Enters global configuration mode Step 3 call manager fallback Example Router config call manager fallback Enters call manager fallb...

Page 137: ... the leading digits of an extension pattern are stripped and replaced by the corresponding leading digits of the dial plan pattern This command can be used to avoid Direct Inward Dialing DID numbers like 408 555 0101 resulting in 4 digit extensions such as 0101 Global prefixes are set with the dialplan pattern command Up to five dial plan patterns can be created The no reg keyword provides dialing...

Page 138: ...all extension numbers 4xx to the PSTN number 40855501xx so that extension 412 corresponds to 4085550112 Creates a global prefix that can be used to expand the abbreviated extension numbers into fully qualified E 164 numbers tag Dial plan string tag used before a 10 digit telephone number The tag number is from 1 to 5 pattern Dial plan pattern such as the area code the prefix and the first one or t...

Page 139: ...nslation rules are a number manipulation mechanism that performs operations such as automatically adding telephone area codes and prefix codes to dialed numbers Note Digit translation rules have many applications and variations For further information about them see Cisco IOS Voice Configuration Library If you are running Cisco SRST 3 2 and later or Cisco Unified SRST 4 0 and later use the configu...

Page 140: ...ified SRST 4 0 and later support translation profiles Translation profiles are the suggested way to allow you to group translation rules and provide instructions on how to apply the translation rules to the following Called numbers Calling numbers Redirected called numbers Command or Action Purpose Step 1 call manager fallback Example Router config call manager fallback Enters call manager fallbac...

Page 141: ...ation profile when in SRST mode Note For Cisco SRST 3 2 and later versions and Cisco Unified SRST 4 0 and later versions use the voice translation rule and translation profile commands shown below instead of the translation rule configuration described in the Enabling Digit Translation Rules section on page 139 Voice translation rules are a separate feature from translation rules See the voice tra...

Page 142: ...e pattern Step 3 exit Example Router cfg translation rule exit Exits voice translation rule configuration mode Step 4 voice translation profile name Example Router config voice translation profile name1 Defines a translation profile for voice calls name Name of the translation profile Maximum length of the voice translation profile name is 31 alphanumeric characters Step 5 translate called calling...

Page 143: ...k translation profile incoming name1 Verifying Translation Profiles To verify translation profiles perform the following steps SUMMARY STEPS 1 show voice translation rule number 2 test voice translation rule number input test string type match type plan match type Step 8 translation profile incoming outgoing name Example Router config cm fallback translation profile outgoing name1 Assigns a transl...

Page 144: ...for another 30 seconds on the second channel before rolling over to another line SUMMARY STEPS 1 call manager fallback 2 huntstop channel 3 exit Command or Action Purpose Step 1 show voice translation rule number Example Router show voice translation rule 6 Translation rule tag 6 Rule 1 Match pattern 65088801 Replace pattern 6508880101 Match type none Replace type none Match plan none Replace plan...

Page 145: ...l reaches a busy signal before the call is disconnected SUMMARY STEPS 1 call manager fallback 2 timeouts busy seconds 3 exit Command or Action Purpose Step 1 call manager fallback Example Router config call manager fallback Enters call manager fallback configuration mode Step 2 huntstop channel Example Router config cm fallback huntstop channel Sets the huntstop attribute for the dial peers associ...

Page 146: ...sion It is used only for extensions that do not have no answer call forwarding enabled SUMMARY STEPS 1 call manager fallback 2 timeouts ringing seconds 3 exit Command or Action Purpose Step 1 call manager fallback Example Router config call manager fallback Enters call manager fallback configuration mode Step 2 timeouts busy seconds Example Router config cm fallback timeouts busy 20 Sets the amoun...

Page 147: ...onfiguring Class of Restriction page 158 Optional Call Blocking Toll Bar Based on Time of Day and Day of Week or Date page 162 Optional Configuring Local and Remote Call Transfer You must configure Cisco Unified SRST to allow Cisco Unified IP Phones to transfer telephone calls from outside the local IP network to another Cisco Unified IP Phone By default all Cisco Unified IP Phone directory number...

Page 148: ...ch the transferring or forwarding phone connects the caller to a destination line before a ringing tone begins A consultative transfer is one in which the transferring or forwarding party either connects the caller to a ringing phone ringback heard or speaks with the third party before connecting the caller to the third party Note For Cisco SRST 3 1 and later versions and Cisco Unified SRST 4 0 an...

Page 149: ...pport the H 450 standard All voice gateway routers in the VoIP network must be running the following software Cisco IOS Release 12 3 2 T or a later release Cisco SRST 3 0 Restrictions H 450 12 Supplementary Services Capabilities exchange among routers is not implemented SUMMARY STEPS 1 call manager fallback 2 call forward pattern pattern call forward only 3 transfer system blind full blind full co...

Page 150: ...Unified SRST router blind Calls are transferred without consultation with a single phone line using the Cisco proprietary method Note We do not recommend the blind keyword Use either the full blind or full consult keyword instead full blind Calls are transferred without consultation using H 450 2 standard methods full consult Calls are transferred with consultation using a second phone line if ava...

Page 151: ...ce service configuration mode Step 7 h323 Example Router conf voi serv h323 Optional Enters H 323 voice service configuration mode Step 8 h450 h450 2 timeout T1 T2 T3 T4 milliseconds Example Router conf serv h323 h450 h450 2 timeout T1 750 Optional Sets timeouts for supplementary service timers in milliseconds This command is used primarily when the default settings for these timers do not match y...

Page 152: ... voice command The parameter that applies to this feature is as follows delay time Speeds up or delays the setting up of the consultation call during a call transfer from an analog phone using a delay timer When all digits have been collected the delay timer is started The call setup to the receiving party does not begin until the delay timer expires If the transferring party goes on hook before t...

Page 153: ...he initial transfer operation is completed and the transferee and transfer to parties are connected After the initial call transfer operation is completed and the transferee and transfer to parties are now the only parties in the call the transfer to party may further transfer the call Call transfer with consultation is not supported for Cisco ATA 186 Cisco ATA 188 and Cisco IP Conference Station ...

Page 154: ...signed in Step 1 number Number that identifies the language used by the audio files for the IVR application language Two character code that specifies the language of the prompts Valid entries are en English default sp Spanish ch Chinese or aa all Step 3 call application voice application name set location language category location Example Router config call application voice transfer_app set loc...

Page 155: ...s For more information about AV pairs and the Tcl script for H 450 call transfer and forwarding see the ReadMe file that accompanies the script Step 5 dial peer voice number pots Example Router config dial peer voice 25 pots Enters dial peer configuration mode to configure a POTS dial peer Step 6 application application name Example Router config dial peer application transfer_app Loads the applic...

Page 156: ...e appropriate access codes provided by dial peers for example dial 9 to select an FXO PSTN line this configuration is not needed Trunk access codes provide IP phones with access to the PSTN during Cisco Unified CM fallback by creating POTS voice dial peers that are active during Cisco Unified CM fallback only These temporary dial peers which can be matched to voice ports BRI E M FXO and PRI allow ...

Page 157: ...he call is terminated Command or Action Purpose Step 1 call manager fallback Example Router config call manager fallback Enters call manager fallback configuration mode Step 2 access code fxo e m dial string bri pri dial string direct inward dial Example Router config cm fallback access code e m 8 Configures trunk access codes for each type of line so that the Cisco Unified IP Phones can access th...

Page 158: ...r COR parameter for dial peers associated with the directory numbers created during Cisco Unified CM fallback You can have up to 20 COR lists for each incoming and outgoing call A default COR is assigned to directory numbers that do not match any COR list numbers or number ranges An assigned COR is invoked for the dial peers and created for each directory number automatically during Communications...

Page 159: ...t the incoming dial peer has the highest COR priority when no COR is applied If you apply no COR for an incoming call leg to a dial peer the dial peer can make a call out of any other dial peer regardless of the COR configuration on the outgoing dial peer COR list applied for incoming calls No COR Call will succeed By default the outgoing dial peer has the lowest priority Because there are some CO...

Page 160: ...on Purpose Step 1 call manager fallback Example Router config call manager fallback Enters call manager fallback configuration mode Step 2 cor incoming outgoing cor list name cor list number starting number ending number default Example Router config cm fallback cor outgoing LockforPhoneC 1 5010 5020 Configures a COR on dial peers associated with directory numbers incoming COR list to be used by i...

Page 161: ...al_call In the example below five dial peers are configured for destination numbers 734 1800 1900 316 and 911 A COR list is applied to each of the dial peers dial peer voice 1 voip destination pattern 734 session target ipv4 10 1 1 1 cor outgoing calllocal dial peer voice 2 voip destination pattern 1800 session target ipv4 10 1 1 1 cor outgoing call1800 dial peer voice 3 pots destination pattern 1...

Page 162: ...at is defined for call blocking a fast busy signal is played for approximately 10 seconds The call is then terminated and the line is placed back in on hook status In SRST call manager fallback configuration mode there is no phone or pin based exemption to after hours call blocking SUMMARY STEPS 1 call manager fallback 2 after hours block pattern tag pattern 7 24 3 after hours day day start time s...

Page 163: ...urs block pattern command day Day of the week abbreviation The following are valid day abbreviations sun mon tue wed thu fri sat start time stop time Beginning and ending times for call blocking in an HH MM format using a 24 hour clock If the stop time is a smaller value than the start time the stop time occurs on the day following the start time For example mon 19 00 07 00 means from Monday at 7 ...

Page 164: ...voice register pool has been set this procedure adds optional features to increase functionality Some features can be made per pool or globally In voice register pool configuration you can now configure several new options per pool a pool can be one phone or a group of phones There is also a new voice register global configuration mode for Cisco Unified SIP SRST In voice register global mode you c...

Page 165: ... limit of voice register pools is version and platform dependent see Cisco IOS command line interface CLI help Default is 0 Step 5 application application name Example Router config register global application global_app Selects the session level application for all dial peers associated with SIP phones Use the application name argument to define a specific interactive voice response IVR applicati...

Page 166: ...ility Once the SIP to SIP connections are allowed you can configure call forwarding under an individual SIP phone pool Any of the following commands can be used to configure call forwarding according to your needs Under voice register pool call forward b2bua all directory number call forward b2bua busy directory number call forward b2bua mailbox directory number call forward b2bua noan directory n...

Page 167: ...Router configure terminal Enters global configuration mode Step 3 voice register pool tag Example Router config voice register pool 15 Enters voice register pool configuration mode Use this command to control which phone registrations are accepted or rejected by a Cisco Unified SIP SRST device Step 4 call forward b2bua all directory number Example Router config register pool call forward b2bua all...

Page 168: ...rn 7 24 after hours day day start time stop time after hours date month date start time stop time Step 6 call forward b2bua mailbox directory number Example Router config register pool call forward b2bua mailbox 5007 Controls the specific voice mail box selected in a voice mail system at the end of a call forwarding exchange directory number Telephone number to which calls are forwarded when the f...

Page 169: ... hours day day start time stop time 6 after hours date month date start time stop time 7 exit 8 voice register pool tag 9 after hour exempt 10 end DETAILED STEPS Command or Action Purpose Step 1 enable Example Router enable Enables privileged EXEC mode Enter your password if prompted Step 2 configure terminal Example Router configure terminal Enters global configuration mode Step 3 call manager fa...

Page 170: ...our period on the specified date Step 6 after hours date month date start time stop time Example Router config cm fallback after hours date jan 1 00 00 00 00 Defines a recurring time period based on month and date during which calls are blocked to outgoing dial patterns that are defined using the after hours block pattern command month Month abbreviation The following are valid month abbreviations...

Page 171: ...xample exempts a Cisco SIP phone pool from the configured blocking criteria voice register pool 1 after hour exempt Verification To verify the feature s configuration enter one of the following commands show voice register dial peer Displays all the dial peers created dynamically by phones that have registered This command also displays configurations for after hours blocking and call forwarding s...

Page 172: ...MOH is not supported for call hold invoked from a SIP phone A caller hears only silence when placed on hold by a SIP phone Examples Router show running config Building configuration Current configuration 1462 bytes configuration mode exclusive manual version 12 4 service timestamps debug datetime msec service timestamps log datetime msec no service password encryption service internal boot start m...

Page 173: ... pool 3 id mac 0012 7F57 628F number 1 2801 codec g711ulaw interface GigabitEthernet0 0 ip address 10 0 2 99 255 255 255 0 duplex auto speed auto interface GigabitEthernet0 1 no ip address shutdown duplex auto speed auto ip classless ip route 0 0 0 0 0 0 0 0 GigabitEthernet0 0 ip http server control plane dial peer voice 1000 voip destination pattern 24 session protocol sipv2 session target ipv4 1...

Page 174: ...is interface supplies data from Cisco Unified SRST to management software The following sections describe how to configure these optional features Enabling Three Party G 711 Ad Hoc Conferencing page 174 Defining XML API Schema page 176 Enabling Three Party G 711 Ad Hoc Conferencing Enabling three party G 711 ad hoc conferencing involves configuring the maximum number of simultaneous three party co...

Page 175: ... mode Step 2 max conferences max conference numbers Example Router config cm fallback max conferences 16 Sets the maximum number of simultaneous three party conferences supported by the router The maximum number possible is platform dependent Cisco 1751 router 8 Cisco 1760 router 8 Cisco 2600 series routers 8 Cisco 2600 XM series routers 8 Cisco 2801 router 8 Cisco 2811 Cisco 2821 and Cisco 2851 r...

Page 176: ...ith Cisco Unified SRST section on page 235 If you need to configure video parameters see the Setting Video Parameters section on page 257 If you do not need any of those features go to the Monitoring and Maintaining Cisco Unified SRST section on page 271 For additional information see the Additional References section on page 230 in the Cisco Unified SCCP and SIP SRST Feature Overview chapter Comm...

Page 177: ...30 Command Reference page 232 Feature Information for Secure SCCP and SIP SRST page 233 Where to Go Next page 233 Prerequisites for Configuring Secure SRST General Secure Cisco Unified IP phones supported in secure SCCP and SIP SRST must have certificates installed and encryption enabled The SRST router must have a certificate a certificate can be generated by a third party or by the Cisco IOS cer...

Page 178: ...er the boot procedure using the show crypto pki server command SRST Secure SRST services cannot be enrolled while Cisco Unified SRST is active Therefore disable Cisco Unified SRST with the no call manager fallback command Supported Cisco Unified IP Phones Platforms and Memory Requirements For a list of supported Cisco Unified IP Phones routers network modules and codecs for secure SRST see the Cis...

Page 179: ...n When the WAN link or Cisco Unified Communications Manager is restored Cisco Unified Communications Manager resumes secure call handling capabilities Secure SRST provides new Cisco Unified SRST security features such as authentication integrity and media encryption Authentication provides assurance to one party that another party is whom it claims to be Integrity provides assurance that the given...

Page 180: ...o Unified SRST Router is also established If the WAN link or Cisco Unified Communications Manager fails call control reverts to the Cisco Unified SRST router Certificates Operation on Secure SRST Cisco Unified SRST Routers and PKI page 180 Cisco IOS Credentials Server on Secure SRST Routers page 181 Generating a Certificate for the Credentials Server page 181 Cisco Unified SRST Routers and PKI The...

Page 181: ... Cisco Unified IP Phone 7970 The phone receives locally significant certificate LSC from Certificate Authority Proxy Function CAPF in Distinguished Encoding Rules DER format 59fe77ccd 0 The filename may change based on the CAPF certificate subject name and the CAPF certificate issuer If Cisco Unified Communications Manager is using a third party certificate provider there can be multiple 0 files f...

Page 182: ...vices support SRTP the system uses a SRTP connection If at least one device does not support SRTP the system uses an RTP connection SRTP to RTP fallback may occur for transfers from a secure device to a non secure device transcoding music on hold MOH and so on Note Secure SRST handles media encryption keys differently for different devices and protocols All phones that are running SCCP get their m...

Page 183: ...is configured as authenticated or encrypted and Cisco Unified Communications Manager is configured in mixed mode the phone looks for an SRST certificate in its configuration file If it finds an SRST certificate it opens a standby TLS connection to the default port The default port is the Cisco Unified IP Phone TCP port plus 443 that is port 2443 on a Cisco Unified SRST router The connection to the...

Page 184: ... process where supported devices can request a locally significant certificate LSC The CAPF utility generates a key pair and certificate that is specific for CAPF copies this certificate to all Cisco Unified Communications Manager servers in the cluster and provides the LSC to the Cisco Unified IP Phone An LSC is required for Cisco Unified IP Phones that do not have a manufacturing installed certi...

Page 185: ...cure SIP Call Signaling and SRTP Media with Cisco SRST page 221 5 Cisco Unified CM provides the PEM format files that contain phone certificate information to the Cisco Unified SRST router Providing the PEM files to the Cisco Unified SRST router is done manually See Cisco IOS Credentials Server on Secure SRST Routers section on page 181 for more information When the Cisco Unified SRST router has t...

Page 186: ...Phone Certificate Files in PEM Format to the Secure SRST Router page 195 Configuring a Certificate Authority Server on a Cisco IOS Certificate Server For Cisco Unified SRST Routers to provide secure communications there must be a CA server that issues the device certificate in the network The CA server can be a third party CA or one generated from a Cisco IOS certificate server The Cisco IOS certi...

Page 187: ...vel the serial number and subject name of each certificate are stored complete In addition to the information given in the minimal and names levels each issued certificate is written to the database Note The complete keyword produces a large amount of information if it is issued you should also specify an external TFTP server on which to store the data via the database url command Step 3 database ...

Page 188: ... Manager as a secure SRST router There are three options to enroll the secure Cisco Unified SRST Router to a CA server autoenrollment cut and paste and TFTP When the CA server is a Cisco IOS certificate server autoenrollment can be used Otherwise manual enrollment is required Manual enrollment refers to cut and paste or TFTP Use the enrollment url command for autoenrollment and the crypto pki auth...

Page 189: ...ou used the procedure documented in the Configuring a Certificate Authority Server on a Cisco IOS Certificate Server section on page 186 the URL is the IP address of the certificate server router configured in Step 1 If a third party CA was used the IP address is to an external CA Step 3 revocation check method1 Example Router ca trustpoint revocation check none Checks the revocation status of a c...

Page 190: ...fied domain name in the certificate will be router cisco com The subject name in the certificate will be router cisco com Include the router serial number in the subject name yes no y The serial number in the certificate will be D0B9E79C Include an IP address in the subject name no n Request certificate from CA yes no y Certificate request sent to Certificate Authority The certificate request fing...

Page 191: ...nd or Action Purpose Step 1 crypto pki server cs label Example Router config crypto pki server srstcaserver Enables the certificate server and enters certificate server configuration mode Note If you manually generated an RSA key pair the cs label argument must match the name of the key pair Step 2 shutdown Example Router cs server shutdown Disables the Cisco IOS certificate server Step 3 no grant...

Page 192: ...4 04030205 A0301F06 03551D23 04183016 8014F829 CE97AD60 18D05467 FC293963 C2470691 F9BD300D 06092A86 4886F70D 01010405 00038181 007EB48E CAE9E1B3 D1E7A185 D7F0D565 CB84B17B 1151BD78 B3E39763 59EC650E 49371F6D 99CBD267 EB8ADF9D 9E43A5F2 FB2B18A0 34AF6564 11239473 41478AFC A86E6DA1 AC518E0B 8657CEBB ED2BDE8E B586FE67 00C358D4 EFDD8D44 3F423141 C2D331D3 1EE43B6E 6CB29EE7 0B8C2752 C3AF4A66 BD007348 D0...

Page 193: ...BF499 5AD0849D CAA41417 DD866902 21E5DD03 C37D4B28 0FAB0203 010001A3 63306130 0F060355 1D130101 FF040530 030101FF 300E0603 551D0F01 01FF0404 03020186 301D0603 551D0E04 160414F8 29CE97AD 6018D054 67FC2939 63C24706 91F9BD30 1F060355 1D230418 30168014 F829CE97 AD6018D0 5467FC29 3963C247 0691F9BD 300D0609 2A864886 F70D0101 04050003 8181007A F71B25F9 73D74552 25DFD03A D8D1338F 6792C805 47A81019 795B5AA...

Page 194: ... SRST Router to receive messages from Cisco Unified Communications Manager through the specified IP address and port ip address The IP address is the pre existing router IP address typically one of the addresses of the Ethernet port of the router port port Optional The port to which the gateway router connects to receive messages from Cisco Unified Communications Manager The port number is from 20...

Page 195: ... for Cisco IP Unified Phones to authenticate secure SRST Command or Action Purpose Step 1 show credentials Example Router show credentials Credentials IP 10 1 1 22 Credentials PORT 2445 Trustpoint srstca Use the show credentials command to display the credential settings on the Cisco Unified SRST Router that are supplied to Cisco Unified Communications Manager for use during secure Cisco Unified S...

Page 196: ...s Open the 0 files with Windows Wordpad or Notepad and copy and paste the contents to the SRST router console Then repeat the procedure with the pem file Copy all of the contents that appear between BEGIN CERTIFICATE and END CERTIFICATE For certification operation on Cisco Unified Communications Operating System Administration Guide Release 6 1 1 see http www cisco com en US docs voice_ip_comm cuc...

Page 197: ...ficates on the Cisco Unified SRST Router To authenticate certificates on the Cisco Unified SRST router perform these steps Restrictions HTTP automatic enrollment from Cisco Unified Communications Manager through a virtual web server is not supported SUMMARY STEPS 1 crypto pki trustpoint name 2 revocation check none 3 enrollment terminal 4 exit 5 crypto pki authenticate name DETAILED STEPS Command ...

Page 198: ...FjAUBgNVBAoTDUNpc2Nv IFN5c3RlbXMxFDASBgNVBAMTC0NBUC1SVFAtMDAyMIIBIDANBgkqhkiG9w0BAQEF AAOCAQ0AMIIBCAKCAQEAxCZlBK19w 2NZVVvpjCPrpW1cCY7V1q9lhzI85RZZdnQ 2M4CufgIzNa3zYxGJIAYeFfcRECnMB3f5A x7xNiEuzE87UPvK 7S80uWCY0Uhtl AVVf5NQgZ3YDNoNXg5MmONb8lT86F55EZyVac0XGne77TSIbIdejrTgYQXGP2MJx Qhg ZQlGFDRzbHfM84Duv2Msez l SqmqO80kIckqE9Nr3 XCSj1hXZNNVg8D mv Hth2P6KZqAKXAAStGRLSZX3jNbS8tveJ3Gi5 sj9 F6KKK2PD0iDwH...

Page 199: ...es Fingerprint MD5 4B9636DF 0F3BA6B7 5F54BE72 24762DBC Fingerprint SHA1 A9917775 F86BB37A 5C130ED2 3E528BB8 286E8C2D Do you accept this certificate yes no y Trustpoint CA certificate accepted Certificate successfully imported Router config crypto pki trustpoint PEM Router ca trustpoint revocation check none Router ca trustpoint enrollment terminal Router ca trustpoint exit Router config crypto pki...

Page 200: ...t SHA1 1BE2B503 DC72EE28 0C0F6B18 798236D8 D3B18BE6 State Keys generated Yes General Purpose Issuing CA authenticated Yes Certificate request s None Trustpoint 7960 Issuing CA certificate configured Subject Name cn CAPF 508A3754 o Cisco Systems Inc c US Fingerprint MD5 6BAE18C2 0BCE391E DAE2FE4C 5810F576 Fingerprint SHA1 B7735A2E 3A5C274F C311D7F1 3BE89942 355102DE State Keys generated Yes General...

Page 201: ...vIFN5c3RlbXMgSW5jMRYwFAYDVQQDEw1DQVBGLTU4 RUFEMkQyMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC99KgZT94qhozw4bOB f8Z0tYwT2l4L mC64O3s3AshDi8xe8Y8sN f ZKRRhNIxBlK4SWafXnHKJBqKZn WtSgkRjJ3Dh0XtqcWYt8VS2sC69g8sX09lskKl3m TpWsr2T mDXv6CceaKN mch gcrrnNo8kamOOIG8OsQc4L6XzQIDAQABozEwLzAOBgNVHQ8BAf8EBAMCAoQwHQYD quit Certificate has the following attributes Fingerprint MD5 1951DJ4E 76D79FEB FFB061C6 233C8E33 F...

Page 202: ...GbuqEwYf2 rDUU bgtlwavw 9tzD0865XpgdOKXrbO nmka9eiV2TEP0zJ2 iC7AFm1BCIolblPFft6QKoSJFjB6thJksaE5 k3Npf quit Certificate has the following attributes Fingerprint MD5 0F3BA6B7 4B9636DF 5F54BE72 24762SBR Fingerprint SHA1 L92BB37A S9919925 5C130ED2 3E528UP8 286E8C2D Do you accept this certificate yes no y Trustpoint CA certificate accepted Certificate successfully imported Router config crypto pki tru...

Page 203: ...s Manager connects to the Cisco Unified SRST Router for its device certificate To enable credentials service see the Enabling Credentials Service on the Secure Cisco Unified SRST Router section on page 193 For complete information on adding Cisco Unified SRST to Cisco Unified Communications Manager see the Survivable Remote Site Telephony Configuration section for the Cisco Unified Communications ...

Page 204: ...ection in Cisco Unified Communications Manager Administration Guide for the Cisco Unified Communications Manager version that you are running All Cisco Unified CM administration guides are at the following URL http www cisco com en US products sw voicesw ps556 prod_maintenance_guides_list html Step 1 In the menu bar in Cisco Unified Communications Manager choose CCMAdmin System Device Pool Step 2 ...

Page 205: ...r The Certificate Authority Proxy Function CAPF process allows supported devices such as Cisco Unified Communications Manager to request LSC certificates from Cisco Unified IP Phones The CAPF utility generates a key pair and certificate that are specific for CAPF and the utility copies this certificate to all Cisco Unified Communications Manager servers in the cluster For complete instructions on ...

Page 206: ...Enters call manager fallback configuration mode Step 2 secondary dialtone digit string Example Router config cm fallback secondary dialtone 9 Activates a secondary dial tone when a digit string is dialed Step 3 transfer system blind full blind full consult local consult Example Router config cm fallback transfer system full consult Defines the call transfer method for all lines served by the Cisco...

Page 207: ...cified IP addresses and provides for strict IP address verification The default port number is 2000 Step 5 max ephones max phones Example Router config cm fallback max ephones 15 Configures the maximum number of Cisco IP phones that can be supported by the router The maximum number is platform dependent The default is 0 See the Platform and Memory Support section on page 24 for further details Ste...

Page 208: ... Secure SCCP SRST Mode Only voice calls are supported in secure SCCP SRST mode Specifically the following voice calls are supported Basic call Call transfer consult and blind Call forward busy no answer all Shared line IP phones Hold and resume Verifying Phone Status and Registrations To verify or troubleshoot Cisco Unified IP Phone status and registration complete the following steps beginning in...

Page 209: ...H1 IDLE Use this command to display registered Cisco Unified IP Phones and their capabilities The show ephone command also displays authentication and encryption status when used for secure SCCP SRST In this example authentication and encryption status is active with a TLS connection Step 2 show ephone offhook Example Router show ephone offhook ephone 1 Mac 1000 1111 0002 TCP socket 5 activeLine 1...

Page 210: ...ministrator Guide OL 13143 04 button 1 dn 21 number 2011 CM Fallback CH1 CONNECTED Active Secure Call on DN 21 chan 1 2011 10 1 1 40 16382 to 10 1 1 40 16382 via 10 1 1 40 G711Ulaw64k 160 bytes no vad Tx Pkts 295 bytes 49468 Rx Pkts 277 bytes 46531 Lost 0 Jitter 0 Latency 0 callingDn 1 calledDn 11 Command or Action Purpose ...

Page 211: ...78AD8 50 0 8 0 2022 g711ulaw 20008 20010 0x1170 2C10 0x861398F0 50 0 26 0 2016 g711ulaw 20026 20028 0x1171 2C10 0x8614F41C 50 0 28 0 2016 g711ulaw 20028 20026 0x1172 2C13 0x86159CC0 50 0 29 0 2018 g711ulaw 20029 20004 0x1173 2C13 0x8604E848 50 0 4 0 2018 g711ulaw 20004 20029 0x1174 2C16 0x8612F04C 50 0 25 0 2026 g711ulaw 20025 20030 0x1175 2C16 0x86164F48 50 0 30 0 2026 g711ulaw 20030 20025 0x1176...

Page 212: ... 29 09 16 02 180 New Skinny socket accepted 2 0 active Jun 29 09 16 02 180 sin_family 2 sin_port 51617 in_addr 10 5 43 177 Jun 29 09 16 02 180 skinny_socket_process secure skinny sessions 1 Jun 29 09 16 02 180 add_skinny_secure_socket pid 155 new_sock 0 ip address 10 5 43 177 Jun 29 09 16 02 180 skinny_secure_handshake pid 155 sock 0 args pid 155 ip address 10 5 43 177 Jun 29 09 16 02 184 Start TL...

Page 213: ...8 33 16 039 ephone 2 2 callingParty 6000 Jan 11 18 33 16 039 ephone 2 2 Call Info DN 2 line 1 ref 6 call state 1 called 6001 calling 6000 origcalled Jan 11 18 33 16 039 ephone 2 2 Call Info DN 2 line 1 ref 6 called 6001 calling 6000 origcalled 6001 calltype 2 Jan 11 18 33 16 039 ephone 2 2 Call Info for chan 1 Jan 11 18 33 16 039 ephone 2 2 Original Called Name 6001 Jan 11 18 33 16 039 ephone 2 2 ...

Page 214: ...001 calling 6000 origcalled Jan 11 18 33 20 835 ephone 3 3 Call Info DN 4 line 1 ref 7 called 6001 calling 6000 origcalled 6001 calltype 1 Jan 11 18 33 20 835 ephone 3 3 Call Info for chan 1 Jan 11 18 33 20 835 ephone 3 3 Original Called Name 6001 Jan 11 18 33 20 835 ephone 3 3 6000 calling Jan 11 18 33 20 835 ephone 3 3 6001 Jan 11 18 33 20 835 ephone 2 2 Security Key Generation Ephone 2 generate...

Page 215: ... 33 21 095 ephone 3 3 StartMedia 1 1 1 8 port 25552 Jan 11 18 33 21 095 DN 2 chan 1 codec 4 G711Ulaw64k duration 20 ms bytes 160 Jan 11 18 33 21 095 ephone 3 3 Send Encryption Key Ephone 3 sends its encryption key Jan 11 18 33 21 347 ephone 3 3 OpenReceiveChannelAck IP 1 1 1 9 port 17520 dn_index 4 dn 4 chan 1 Jan 11 18 33 21 347 ephone 2 2 StartMedia 1 1 1 9 port 17520 Jan 11 18 33 21 347 DN 2 ch...

Page 216: ...551D0F04 04030205 A0301F06 03551D23 04183016 8014F829 CE97AD60 18D05467 FC293963 C2470691 F9BD300D 06092A86 4886F70D 01010405 00038181 007EB48E CAE9E1B3 D1E7A185 D7F0D565 CB84B17B 1151BD78 B3E39763 59EC650E 49371F6D 99CBD267 EB8ADF9D 9E43A5F2 FB2B18A0 34AF6564 11239473 41478AFC A86E6DA1 AC518E0B 8657CEBB ED2BDE8E B586FE67 00C358D4 EFDD8D44 3F423141 C2D331D3 1EE43B6E 6CB29EE7 0B8C2752 C3AF4A66 BD00...

Page 217: ...10105 00038201 0D003082 01080282 010100C4 266504AD 7DC3FD8D 65556FA6 308FAE95 B570263B 575ABD96 1CC8F394 5965D9D0 D8CE02B9 F808CCD6 B7CD8C46 24801878 57DC4440 A7301DDF E40FB1EF 136212EC C4F3B50F BCAFBB4B CD2E5826 34521B65 01555FE4 D4206776 03368357 83932638 D6FC953F 3A179E44 67255A73 45C69DEE FB4D221B 21D7A3AD 38184171 8FD8C271 42183E65 09461434 736C77CC F380EEBF 632C7B3F A5F92AA6 A8EF3490 8724A84...

Page 218: ...4864B 0616BACD A61CD9AE C5558A52 B5EEAA6A 08F96528 B1804B87 D26E4AEE AB7AFFE9 2FD2A574 BAFE0028 96304A8B 13FB656D 8FC60094 D5A53D71 444B3CEF 79343385 3778C193 74A2A6CE DC56275C A20A303D quit crypto pki certificate chain 7960 certificate ca F301 308201F7 30820160 A0030201 020202F3 01300D06 092A8648 86F70D01 01050500 3041310B 30090603 55040613 02555331 1A301806 0355040A 13114369 73636F20 53797374 65...

Page 219: ... host 10 1 1 22 host 10 1 1 13 control plane call application alternate DEFAULT voice port 1 0 0 voice port 1 0 1 voice port 1 0 2 voice port 1 0 3 voice port 1 1 0 timing hookflash out 50 voice port 1 1 1 voice port 1 1 2 voice port 1 1 3 Enable MGCP voice protocol mgcp mgcp call agent 10 1 1 13 2427 service type mgcp version 0 1 mgcp dtmf relay voip codec all mode out of band mgcp rtp unreachabl...

Page 220: ...rce address 10 1 1 22 port 2000 max ephones 15 max dn 30 transfer pattern Control Plane Policing Example This section provides a configuration example for the security best practice of protecting the credentials service port using control plane policing Control plane policing protects the gateway and maintains packet forwarding and protocol states despite a heavy traffic load For more information ...

Page 221: ...figuration Example for Cisco Unified SIP SRST page 228 Prerequisites for Configuring Secure SIP Call Signaling and SRTP Media with Cisco SRST Cisco IOS Release 15 0 1 XA and later releases Cisco Unified IP Phone firmware release 8 5 3 or later Complete the prerequisites and necessary tasks found in Prerequisites for Configuring SIP SRST Features Using Back to Back User Agent Mode Prepare the Cisco...

Page 222: ... profile that is listed in their assigned Device Pool The SRST Reference profile must have the Is SRST Secure checkbox selected if SIP TLS communication is desired in the event of a WAN failure Note All Cisco Unified IP Phones must have their firmware updated to version 8 5 3 or later Devices with firmware earlier than 8 5 3 will need to have a separate Device Pool and SRST Reference profile creat...

Page 223: ...d or Action Purpose Step 1 enable Example Router enable Enables privileged EXEC mode Enter your password if prompted Step 2 configure terminal Example Router configure terminal Enters global configuration mode Step 3 voice service voip Example Router config voice service voip Enters voice service configuration mode Step 4 srtp fallback Example Router config voi serv srtp fallback Specifies that SR...

Page 224: ...igure secure SIP SRTP SUMMARY STEPS 1 enable 2 configure terminal 3 voice service voip 4 sip 5 url sip sips 6 srtp negotiate cisco 7 end Step 6 allow connections sip to sip Example Router config voi serv allow connections sip to sip Allows connections from SIP endpoints to SIP endpoints Step 7 end Example Router conf voi serv end Ends the current configuration session and returns to privileged EXE...

Page 225: ...ers global configuration mode Step 3 voice service voip Example Router config voice service voip Enters voice service configuration mode Step 4 sip Example Router config voi serv sip Enters SIP configuration mode Step 5 url sip sips Example Router conf serv sip url sips To configure secure mode use the sips keyword to generate URLs in SIP secure SIPS format for VoIP calls To configure device defau...

Page 226: ...rustpoint string strict cipher 5 end Command or Action Purpose Step 1 voice register global Example Router config voice register global Enters voice register global configuration mode Step 2 security policy secure Example Router config register global security policy secure Configures SIP registration security policy so that only SIP TLS TCP connections are allowed For device default mode use the ...

Page 227: ...92 168 2 10 expires 3600 Enables the gateway to register E 164 telephone numbers with primary and secondary external SIP registrars destination address is the IP address of the primary SIP registrar server Step 3 xfer target dial peer Example Router config sip ua xfer target dial peer Specifies that SRST should use the dial peer as a transfer target instead of what is in the message body Step 4 cr...

Page 228: ...l use global configured value Security Policy DEVICE DEFAULT timeout interdigit 10 network locale 0 US This is the default network locale for this box network locale 1 US network locale 2 US network locale 3 US network locale 4 US user locale 0 US This is the default user locale for this box user locale 1 US user locale 2 US user locale 3 US user locale 4 US Router Configuration Example for Cisco ...

Page 229: ...none subject name CN 3745 SRST revocation check none rsakeypair 3745 SRST crypto pki trustpoint CAP RTP 001 enrollment terminal revocation check none crypto pki trustpoint CAP RTP 002 enrollment terminal revocation check none crypto pki trustpoint Cisco_Root_CA_2048 enrollment terminal revocation check none crypto pki trustpoint Cisco_Manufacturing_CA enrollment terminal revocation check none inte...

Page 230: ...s provide references related to this feature Related Documents Related Topic Document Title Cisco IOS voice configuration Cisco IOS Voice Configuration Library Cisco IOS Voice Command Reference Cisco Unified Communications Manager Documentation Guide for Release 8 0 2 Cisco Unified Communications Manager Documentation Guide for Release 8 0 2 Cisco Unified SRST configuration Cisco Unified SRST and ...

Page 231: ...B Locator found at the following URL http www cisco com go mibs RFC Title No new or modified RFCs are supported by this feature and support for existing RFCs has not been modified by this feature Description Link The Cisco Support website provides extensive online resources including documentation and tools for troubleshooting and resolving technical issues with Cisco products and technologies To ...

Page 232: ...ion For information about these commands see the Cisco IOS Voice Command Reference at http www cisco com en US docs ios voice command reference vr_book html For information about all Cisco IOS commands use the Command Lookup Tool at http tools cisco com Support CLILookup or Cisco IOS Master Command List All Releases at http www cisco com en US docs ios mcl allreleasemcl all_book html security poli...

Page 233: ...tware release train Unless noted otherwise subsequent releases of that Cisco IOS software release train also support that feature Where to Go Next If you require voice mail see the voice mail configuration instructions in the Integrating Voice Mail with Cisco Unified SRST section on page 235 For additional information see the Additional References section on page 26 in the Cisco Unified SCCP and S...

Page 234: ...Configuring Secure SRST for SCCP and SIP Where to Go Next 234 Cisco Unified SCCP and SIP SRST System Administrator Guide OL 13143 04 ...

Page 235: ...ormation about SIP see Cisco IOS SIP Configuration Guide Contents Information About Integrating Voice Mail with Cisco Unified SCCP SRST page 235 How to Integrate Voice Mail with Cisco Unified SCCP and SIP SRST page 237 Configuration Examples for SCCP SRST page 249 How to Configure DTMF Relay for SIP Applications and Voice Mail page 252 Where to Go Next page 256 Information About Integrating Voice ...

Page 236: ...appen you must configure access from the dial peers to the voice mail system and establish routing to the voice mail system for busy and unanswered calls and for message buttons If the voice mail system is accessed over FXO or FXS you must configure instructions DTMF patterns for the voice mail system so that it can access the correct voice mail system mailbox If your voice mail system is accessed...

Page 237: ...r SIP SRST is added from IOS release 15 1 4 M3 and 15 2 1 T2 Configuring Direct Access to Voice Mail To access voice mail messages with FXO or FXS access you must have POTS dial peers configured with a destination pattern that matches the voice mail system s number Also you must associate the dial peer with the port to which the voice mail system is accessed Both sets of configurations are done in...

Page 238: ...is is a VoIP dial peer that uses voice encapsulation on the POTS network Step 2 destination pattern string T Example Router config dial peer destination pattern 1100T FXO or FXS and BRI or PRI Specifies either the prefix or the full E 164 telephone number depending on your dial plan to be used for a dial peer Optional Character that indicates an E 164 standard number string See Table 1 T Optional ...

Page 239: ... configuration mode Table 1 Valid Entries for the String Argument in the destination pattern command Entry Description Digits 0 to 9 Letters A through D Asterisk and pound sign These appear on standard touch tone dial pads Comma Inserts a pause between digits Period Matches any entered digit this character is used as a wildcard Percent sign Indicates that the preceding digit occurred zero or more ...

Page 240: ...r named 1102 to go directly to 1101 through port 2 0 23 controller T1 2 0 framing esf clock source line primary linecode b8zs cablelength short 133 pri group timeslots 21 24 interface Serial2 0 23 no ip address no logging event link status isdn switch type primary net5 isdn incoming voice voice isdn T309 enable no cdp enable voice port 2 0 23 dial peer voice 1102 pots destination pattern 1101T por...

Page 241: ...hone number Phone number configured as a speed dial number for retrieving messages Step 3 call forward busy directory number Example Router config cm fallback call forward busy 2000 Configures call forwarding to another number when the Cisco SCCP IP phone is busy directory number Selected directory number representing a fully qualified E 164 number This number can contain wildcard characters that ...

Page 242: ...rd b2bua busy directory number Example Router config register pool call forward b2bua busy 2000 Configures call forwarding to another number when the Cisco SIP IP phone is busy directory number Selected directory number representing a fully qualified E 164 number This number can contain wildcard characters that correspond to the right justified digits in the directory number extension Step 8 call ...

Page 243: ... IE Delivery Outgoing Configuring Call Forwarding to Voice Mail Note The following task is required for voice mail systems with FXO or FXS access In addition to supporting message buttons for retrieving personal messages Cisco Unified SCCP SRST allows the automatic forwarding of calls to busy or unanswered numbers to voice mail systems The forwarded calls can be routed to almost any location in th...

Page 244: ...okens that correspond to three possible call states during voice mail forwarding Figure 4 How Numbers Are Extracted from Tokens Sets of tags and tokens or patterns activate a voice mail system when one ofthe following occurs A user presses the message button on a phone pattern direct command An internal extension attempts to connect to a busy extension and the call is forwarded to voice mail patte...

Page 245: ...Patterns section on page 243 You can find information about how Cisco Unity handles voice mail calls in the How to Transfer a Caller Directly into a Cisco Unity Mailbox document Additional call handling information can be found in the Subscriber and Operator Orientation chapters of any Cisco Unity system administration guide For other voice mail systems see the analog voice mail integration config...

Page 246: ...ber of the calling party the number of the called party or a forwarding number tag2 and tag3 Optional See tag1 last tag See tag1 This tag indicates the end of the pattern CGN Calling number CGN information is sent to the voice mail system CDN Called number CDN information is sent to the voice mail system FDN Forwarding number FDN information is sent to the voice mail system Step 3 pattern ext to e...

Page 247: ...tegration pattern ext to ext busy FDN 2 Configuring Message Waiting Indication The MWI relay mechanism is initiated after someone leaves a voice mail message on the remote voice mail message system MWI relay is required when one Cisco Unity Voice Mail system is shared by multiple Cisco Unified SCCP SRST routers SCCP SRST routers use the SIP Subscribe and Notify methods for MWI See Configuring Cisc...

Page 248: ...nd Purpose Step 1 call manager fallback Example Router config call manager fallback Enters call manager fallback configuration mode Step 2 mwi relay Example Router config cm fallback mwi relay Enables the SCCP SRST router to relay MWI information to remote Cisco IP phones Step 3 mwi reg e164 Example Router config cm fallback mwi reg e164 Registers E 164 numbers rather than extension numbers with a...

Page 249: ...s host name expires seconds port port transport tcp udp unsolicited Example Router config sip ua mwi server ipv4 10 0 2 254 Configures voice mail server settings on a voice gateway or user agent The IP address and port for the SIP based MWI server should be in the same LAN as the voice mail server The MWI server is a Cisco Unified SCCP SRST router Keywords and arguments are as follows ipv4 destina...

Page 250: ...tern Configuration vm integration pattern direct 2 CGN pattern ext to ext no answer 5 FDN CGN pattern ext to ext busy 7 FDN CGN pattern trunk to ext no answer 4 FDN CGN pattern trunk to ext busy 6 FDN CGN Configuring Central Location Voice Mail System FXO and FXS Example The Dial Peer Configuration for Integration of Voice Mail with Cisco Unified SCCP SRST in Central Location section of the exampl...

Page 251: ...system is connected to FXS voice port 1 1 1 and the voice mailbox numbers are 3001 3002 and 3006 voice port 1 1 1 timing digit 250 timing inter digit 250 dial peer voice 1102 pots destination pattern 1101T port 1 1 1 call manager fallback timeouts interdigit 5 ip source address 1 6 0 199 port 2000 max ephones 24 max dn 24 transfer pattern 3 voicemail 1101 call forward busy 1101 call forward noan 1...

Page 252: ...e DTMF Relay for SIP Applications and Voice Mail DTMF relay for SIP applications can be used in two voice mail situations DTMF Relay Using SIP RFC 2833 page 252 DTMF Relay Using SIP Notify Nonstandard page 254 For SIP SRST forwarding call to voicemail configuration see the Configuring Call Handling section on page 123 Note Voice Mail number associate with SIP phone message button in SRST is config...

Page 253: ... application Note The need to use out of band DTMF relay conversion is limited to SCCP phones SIP phones natively support in band DTMF relay as specified in RFC 2833 To enable SIP DTMF relay using RFC 2833 the commands in this section must be used on both originating and terminating gateways SUMMARY STEPS 1 dial peer voice tag voip 2 dtmf relay rtp nte 3 exit 4 sip ua 5 notify telephone event max ...

Page 254: ...IP Notify format To configure the Notify format use the sip notify keyword with the dtmf relay command Using the sip notify keyword may be required for backward compatibility with Cisco SRST Versions 3 0 and 3 1 SUMMARY STEPS 1 dial peer voice tag voip 2 dtmf relay sip notify 3 exit 4 sip ua 5 notify telephone event max duration time 6 exit Step 5 notify telephone event max duration time Example R...

Page 255: ...ration for a telephone event in NOTIFYs 2000 ms SIP support for ISDN SUSPEND RESUME ENABLED Command or Action Purpose Step 1 dial peer voice tag voip Example Router config dial peer voice 2 voip Enters dial peer configuration mode Step 2 dtmf relay sip notify Example Router config dial peer dtmf relay sip notify Forwards DTMF tones using SIP NOTIFY messages Step 3 exit Example Router config dial p...

Page 256: ...quired Owner line o required Timespec line t required Media supported audio image Network types supported IN Address types supported IP4 Transport types supported RTP AVP udptl Where to Go Next If you want to configure video parameters see the Setting Video Parameters section on page 257 For additional information see the Additional References section on page 26 in the Cisco Unified SCCP and SIP S...

Page 257: ...later version Ensure that the Cisco IP phones are registered with the Cisco Unified SRST router Use the show ephone registered command to verify ephone registration Ensure that the connection between the Cisco Unified Video Advantage application and the Cisco Unified IP phone is up From a PC with Cisco Unified Video Advantage 1 02 or a later version installed ensure that the line between the Cisco...

Page 258: ...re configured per ephone not per line All call feature controls for example mute and hold apply to both audio and video calls if applicable This feature does not support the following Dynamic addition of video capability The video capability must be present before the call setup starts to allow the video connection T 120 data connection between two SCCP endpoints Video security Far end camera cont...

Page 259: ...terminated but no video stream is exchanged between the two endpoints Note The endpoint capability match is executed every time a new call is set up or an existing call is resumed Retrieving Video Codec Information Voice gateways use dial peer configurations to retrieve codec information for audio codecs Video codec selection is done by the endpoints and is not controlled by the H 323 service prov...

Page 260: ...ion function is called Call Setup Between SCCP and H 323 Endpoints Call setup between SCCP and H 323 endpoints is the same as it is between SCCP endpoints except that if video capability is selected the event is posted to the H 323 call leg to send out a video open logical channel OLC and the gateway generates an OLC for the video channel Because the router needs to both terminate and originate th...

Page 261: ... Unified IP phones do not have to be reconfigured for video capabilities because all ephones retain the same configuration used with Cisco Unified CM However you can set video parameters for Cisco Unified SRST Setting Video parameters for Cisco Unified SRST involves the following tasks Configuring Slow Connect Procedures page 261 Verifying Cisco Unified SRST page 262 Setting Video Parameters for C...

Page 262: ...ow call manager fallback all Command or Action Purpose Step 1 enable Example Router enable Enables privileged EXEC mode Enter your password if prompted Step 2 configure terminal Example Router configure terminal Enters global configuration mode Step 3 voice service voip Example Router config voice service voip Enters voice service configuration mode Step 4 h323 Example Router config voi serv h323 ...

Page 263: ...nces 16 gain 6 dspfarm units 0 dspfarm transcode sessions 0 huntstop dialplan pattern 1 4084442 extension length 4 voicemail 6001 moh music on hold au time format 24 date format dd mm yy timezone 0 Greenwich Standard Time call forward busy 6001 call forward noan 6001 timeout 8 call forward pattern T transfer pattern T keepalive 45 timeout interdigit 10 timeout busy 10 timeout ringing 180 caller id...

Page 264: ...rd busy 6001 call forward noan 6001 timeout 8 call waiting beep ephone dn 2 number 1002 name 1002 description 1002 preference 0 secondary 9 huntstop call forward busy 6001 call forward noan 6001 timeout 8 call waiting beep ephone dn 3 preference 0 secondary 9 huntstop call waiting beep ephone dn 4 preference 0 secondary 9 huntstop call waiting beep ephone dn 5 preference 0 secondary 9 huntstop cal...

Page 265: ...preference 0 secondary 9 huntstop call waiting beep ephone dn 14 preference 0 secondary 9 huntstop call waiting beep ephone dn 15 preference 0 secondary 9 huntstop call waiting beep ephone dn 16 preference 0 secondary 9 huntstop call waiting beep ephone dn 17 preference 0 secondary 9 huntstop call waiting beep ephone dn 18 preference 0 secondary 9 huntstop call waiting beep ephone dn 19 preference...

Page 266: ...oice port 50 0 10 voice port 50 0 11 voice port 50 0 12 voice port 50 0 13 voice port 50 0 14 voice port 50 0 15 voice port 50 0 16 voice port 50 0 17 voice port 50 0 18 voice port 50 0 19 voice port 50 0 20 dial peer voice 20055 pots destination pattern 1001 huntstop call forward busy 6001 call forward noan 6001 progress_ind setup enable 3 port 50 0 1 dial peer voice 20056 pots destination patter...

Page 267: ...voice 20062 pots huntstop progress_ind setup enable 3 port 50 0 8 dial peer voice 20063 pots huntstop progress_ind setup enable 3 port 50 0 9 dial peer voice 20064 pots huntstop progress_ind setup enable 3 port 50 0 10 dial peer voice 20065 pots huntstop progress_ind setup enable 3 port 50 0 11 dial peer voice 20066 pots huntstop progress_ind setup enable 3 port 50 0 12 dial peer voice 20067 pots ...

Page 268: ...er system its XMLDefault7960 cnf xml alias SEPFFDD00000001 cnf xml tftp server system its XMLDefault7960 cnf xml alias SEPFFDD00000002 cnf xml tftp server system its XMLDefault7960 cnf xml alias SEPFFDD00000003 cnf xml tftp server system its XMLDefault7960 cnf xml alias SEPFFDD00000004 cnf xml tftp server system its XMLDefault7960 cnf xml alias SEPFFDD00000005 cnf xml tftp server system its XMLDef...

Page 269: ...tension length 4 transfer pattern T keepalive 45 voicemail 6001 call forward pattern T call forward busy 6001 Command or Action Purpose Step 1 enable Example Router enable Enables privileged EXEC mode Enter your password if prompted Step 2 configure terminal Example Router configure terminal Enters global configuration mode Step 3 call manager fallback Example Router config call manager fallback E...

Page 270: ...nterface CCAPI For ephone troubleshooting use the following debug commands debug ephone message Enables message tracing between Cisco ephones debug ephone register Sets registration debugging for ephones debug ephone video Sets ephone video traces which provide information about different video states for the call including video capabilities selection start and stop For basic video to video call ...

Page 271: ...er show ephone phone Displays Cisco Unified IP Phone status Router show ephone offhook Displays Cisco Unified IP Phone status for all phones that are off hook Router show ephone registered Displays Cisco Unified IP Phone status for all phones that are currently registered Router show ephone remote Displays Cisco Unified IP Phone status for all nonlocal phones phones that have no Address Resolution...

Page 272: ...rations SIP phone registrations and dial peer info Router show voice register global Displays voice register global config Router show voice register pool all Displays all config SIP phone voice register pool detail info Router show voice register pool tag Displays specific SIP phone voice register pool detail info Router show voice register dial peers Displays SIP SRST created dial peer Router sh...

Page 273: ... SRST Features Using Redirect Mode page 274 How to Configure Cisco Unified SIP SRST Features Using Redirect Mode page 274 Configuration Examples for Cisco Unified SIP SRST Features Using Redirect Mode page 278 Where to Go Next page 280 Prerequisites for Cisco Unified SIP SRST Features Using Redirect Mode Complete the prerequisites documented in the Prerequisites for Configuring Cisco Unified SIP S...

Page 274: ...bers How to Configure Cisco Unified SIP SRST Features Using Redirect Mode This section contains the following procedures Configuring Call Redirect Enhancements to Support Calls Between SIP IP Phones for Cisco Unified SIP SRST page 274 required Configuring Sending 300 Multiple Choice Support page 277 required Configuring Call Redirect Enhancements to Support Calls Between SIP IP Phones for Cisco Un...

Page 275: ...global configuration entered under voice service configuration mode SUMMARY STEPS 1 enable 2 configure terminal 3 voice service voip 4 redirect ip2ip 5 end DETAILED STEPS Command or Action Purpose Step 1 enable Example Router enable Enables privileged EXEC mode Enter your password if prompted Step 2 configure terminal Example Router configure terminal Enters global configuration mode Step 3 voice ...

Page 276: ...over the global configuration entered under voice service configuration mode Restrictions The redirect ip2ip command must be configured on an inbound dial peer of the gateway SUMMARY STEPS 1 enable 2 configure terminal 3 dial peer voice tag voip 4 application application name 5 redirect ip2ip 6 end DETAILED STEPS Command or Action Purpose Step 1 enable Example Router enable Enables privileged EXEC...

Page 277: ...e multiple routes in the Contact header are listed The configuration below allows users to choose the order in which the routes appear in the Contact header SUMMARY STEPS 1 enable 2 configure terminal 3 voice service voip 4 sip 5 redirect contact order best match longest match 6 end Step 4 application application name Example Router config dial peer application session Enables a specific applicati...

Page 278: ...re terminal Enters global configuration mode Step 3 voice service voip Example Router config voice service voip Enters voice service configuration mode Step 4 sip Example Router config voi srv sip Enters SIP configuration mode Step 5 redirect contact order best match longest match Example Router conf serv sip redirect contact order best match Sets the order of contacts in the 300 Multiple Choice m...

Page 279: ...match incoming REGISTER requests and create corresponding dial peers voice register pool 1 id mac 0030 94C2 A22A preference 5 cor incoming call91 1 91011 translate outgoing called 1 proxy 10 2 161 187 preference 1 monitor probe icmp ping alias 1 94 to 91011 preference 8 voice class codec 1 voice register pool 2 id ip 192 168 0 3 mask 255 255 255 255 preference 5 cor outgoing call95 1 91021 proxy 1...

Page 280: ...al peer cor list call95 member 95 dial peer cor list call94 member 94 dial peer cor list call91 member 91 dial peer cor list everywhere member 95 member 94 member 91 Configures a voice port and a POTS dial peer for calls to and from the PSTN endpoints voice port 1 0 0 dial peer voice 91500 pots corlist incoming call91 corlist outgoing call91 destination pattern 91500 port 1 0 0 Where to Go Next Fo...

Page 281: ...ross a WAN and saves bandwidth Finding Feature Information in This Module Your Cisco Unified CME version may not support all of the features documented in this module For a list of the versions in which each feature is supported see the Feature Information for Cisco Unified SRST as a Multicast MOH Resource section on page 312 Contents Prerequisites for Using Cisco Unified SRST Gateways as a Multic...

Page 282: ...ng see the IP Multicast section of Cisco IOS IP Configuration Guide Release 12 4T With Cisco IOS earlier than 12 3 14 T configure Cisco Unified SRST as your MGCP gateway s fallback mode using the ccm manager fallback mgcp and call application alternate commands With Cisco IOS releases after 12 3 14 T the ccm manager fallback mgcp and service commands must be configured Configuring these two comman...

Page 283: ...red for Cisco Unified Communications Manager multicast MOH IP phones at remote sites are able to pick up RTP packets that are multicast from the local branch gateways instead of from the central Cisco Unified CM Multicast MOH for PSTN callers is supported when the Cisco Unified SRST router is used as the Cisco IOS voice gateway for Cisco Unified CM In this state the Cisco Unified SRST function of ...

Page 284: ...tral Cisco Unified CM and three branches In some cases a Cisco Unified CM system may use additional codecs For example for bandwidth savings Cisco Unified CM may use G 711 for multicast MOH and G 729 for phone conversations As shown in the example in Figure 2 IP address 10 1 1 1 and port 1000 are used during phone conversations when G 729 is in use and IP address 239 1 1 1 and port 16384 are used ...

Page 285: ...configured with Cisco Unified SRST and other gateways are not When the central site and Branch 3 phone users are put on hold by other IP phones in the Cisco Unified CM system MOH is originated by Cisco Unified CM When Branch 1 and Branch 2 phone users are put on hold by other phone users in the Cisco Unified CM system MOH is originated by the Cisco Unified SRST gateways 116828 WAN IP V Branch 2 pl...

Page 286: ...t must not Audio packets from the central Cisco Unified Communications Manager must cross the WAN to reach branches running Cisco Unified Communications Manager For branches running Cisco Unified SRST the packets must not reach the WAN For more information about Multicast MOH see the Configuring Cisco Unified SRST for Multicast MOH from an Audio File section on page 296 MOH from a Live Feed MOH li...

Page 287: ...s must reach the WAN and another set must not Audio packets from the central Cisco Unified CM must cross the WAN to reach branches running Cisco Unified CM For branches running Cisco Unified SRST the packets must not reach the WAN Table 1 provides a summary of options for MOH Table 1 Music on Hold MOH Audio Source Description How to Configure Flash memory No external audio input is required Config...

Page 288: ...ys as multicast MOH resources you must configure Cisco Unified Communications Manager to multicast MOH to the required branch sites To accomplish this you must configure IP addresses port numbers the MOH source and the MOH audio server Even though the MOH routing is set up to prevent the Cisco Unified CM sourced multicast MOH from actually reaching the WAN and the remote phones the configured Cisc...

Page 289: ...t MOH Configuring the MOH Audio Source to Enable Multicasting The MOH audio source is a file from which Cisco Unified CM transmits RTP packets You can create an audio file or use the default audio file For Cisco Unified SRST multicast MOH only one audio source can be used even if for example one out of 500 sites uses Cisco Unified SRST multicast MOH In addition all Cisco Unified Communications Man...

Page 290: ...a Resources Music On Hold Audio Source to display the MOH Audio Source Configuration window Step 2 Double click the required audio source listed in the MOH Audio Sources column Step 3 In the MOH Audio Source Configuration window check Allow Multicasting Step 4 Click Update Enabling Multicast on the Cisco Unified Communications Manager MOH Server and Configuring Port Numbers and IP Addresses Enter ...

Page 291: ...codec The MOH Server Configuration window is also where the multicast audio source for the MOH server is configured For Cisco Unified SRST multicast MOH the Cisco Unified CM MOH server can use only one audio source An audio source is selected by inputting the audio source s maximum number of hops The Max Hops configuration sets the length of the transmission of the audio source packets Limiting th...

Page 292: ...Unified SRST and thus use G 711 for MOH use either setting because incrementation does not take place and a selection does not matter If your system configuration includes routers that do not run Cisco Unified SRST and use a different codec select an incrementation method Note If your branches include routers that do not run Cisco Unified SRST and do use G 711 configure separate audio sources one ...

Page 293: ...l gateways to use an MOH server that can transport the required MOH audio source to their IP phones on hold This is accomplished by creating a Media Resource Group MRG An MRG references media resources such as MOH servers The MRG is then added to a Media Resource Group List MRGL and the MRGL is added to the phone and gateway configurations MRGs are created in the Media Resource Group Configuration...

Page 294: ...t are labeled as MOH Multicast f Click the down arrow so that the selected media resource moves to the Selected Media Resources pane g Click Insert Step 2 Create an MRGL that contains the newly created MRG a Choose Service Media Resource Media Resource Group List b In the upper right corner of the window click the Add a New Media Resource Group List link The Media Resource Group List Configuration...

Page 295: ...ast MOH and the branches that do not run Cisco Unified SRST require a different codec for Cisco Unified Communications Manager multicast MOH they must be configured accordingly A Region Configuration window where the MOH Server region is configured to use the G 711 and G 729 codecs might look like this G 711 is used for Branch 1 because its gateway is configured to run Cisco Unified SRST multicast...

Page 296: ...ot enabled on the WAN place an IP phone on the same subnet as the Cisco Unified Communications Manager MOH server and verify that MOH can be heard Because the IP phone and the MOH server are on the same subnet no multicast routing capabilities in the network are required Step 2 Verify that the Cisco Unified CM system s MOH is multicast not unicast a From Microsoft Windows select Start Programs Adm...

Page 297: ...at as indicated by the extension ULAW wav You must configure a loopback interface and include its IP addresses in the Cisco Unified SRST multicast MOH configuration This configuration allows multicast MOH to be heard on POTS ports on the gateway The loopback interface does not have to bind to either H 323 or MGCP Configure at least one ephone and directory number DN even if the gateway is not used...

Page 298: ... Example Router config if ip address 10 1 1 1 255 255 255 255 Sets a primary IP address for an interface ip address IP address mask Mask for the associated IP subnet Step 4 exit Example Router config if exit Exits interface configuration mode Step 5 interface fastethernet slot port Example Router config interface fastethernet 0 0 Optional if the route keyword is not used in the multicast moh comma...

Page 299: ... port number is 2000 Step 10 max ephones max phones Example Router config cm fallback max ephones 1 Configures the maximum number of Cisco Unified IP phones that can be supported by a router max phones Maximum number of Cisco IP phones supported by the router The maximum number is platform dependent The default is 0 Step 11 max dn max directory number Example Router config cm fallback max dn 1 Set...

Page 300: ... and the port number that Cisco Unified CM is configured to use for multicast MOH If you are using different codecs for MOH these might not be the base IP address and port instead an incremented IP address or port number See the Configuring the MOH Audio Source to Enable Multicasting section on page 289 If you have multiple audio sources configured on Cisco Unified CM ensure that you are using the...

Page 301: ...711Ulaw64k 160 bytes651 Command or Action Purpose Step 1 debug ephone moh Example Router debug ephone moh MOH route If FastEthernet0 0 ETHERNET 172 21 51 143 via ARP MOH route If Loopback0 46 172 21 51 98 via 172 21 51 98 This command sets debugging for MOH You can use this command to show that the Cisco Unified SRST gateway is multicasting MOH out of Loopback 0 and Fast Ethernet 0 0 Step 2 show i...

Page 302: ...Command or Action Purpose Step 1 Verify that a PSTN caller hears MOH when placed on hold by an IP phone caller Use a Cisco Unified SRST gateway IP phone to call a PSTN phone and put the PSTN caller on hold The PSTN caller should hear MOH Step 2 show ccm manager music on hold Example Router show ccm manager music on hold Current active multicast sessions 1 Multicast RTP port Packets Call Codec Inco...

Page 303: ... command if H 323 is being used and no multicast address appears in the show ccm manager music on hold command output to verify the H 323 handshaking between Cisco Unified Communications Manager and the Cisco Unified SRST gateway When a PSTN caller is placed on hold Cisco Unified Communications Manager sends an H 245 closeLogicalChannel followed by an openLogicalChannel Verify that the final openL...

Page 304: ... locally generated multicast RTP stream Use the show ccm manager music on hold command to investigate Router show ccm manager music on hold Current active multicast sessions 1 Multicast RTP port Packets Call Codec Incoming Address number in out id Interface 239 1 1 1 16384 326 326 42 G 711ulaw Lo0 If no MOH streams are shown Cisco Unified CM was not correctly set up to provide the Cisco Unified SR...

Page 305: ...uide OL 13143 04 The Incoming Interface field shows where the Cisco Unified SRST gateway is to receive the multicast MOH packets An interface must be listed and it must be one of the interfaces included in the multicast moh command or the default IP source address which is configured with the ip source address command For more information see Step 9 in the Enabling Multicast MOH on the Cisco Unifi...

Page 306: ... connected to the same subnet multicast RTP packets are detected only when the IP phone is placed on hold and sends an Internet Group Management Protocol IGMP Join to the closest router Configuring Cisco Unified SRST for MOH from a Live Feed The following sections describe the configuration tasks for Cisco Unified SRST MOH live feed Prerequisites page 307 Restrictions page 307 Setting Up the Voice...

Page 307: ...ternal source directly calling in to the live feed MOH port An MOH call can be from or to the PSTN or can proceed via VoIP with voice activity detection VAD disabled The call is assumed to be an incoming call unless the out call keyword is used with the moh live command during configuration The Cisco Unified SRST router uses the audio stream from the call as the source for the MOH stream displacin...

Page 308: ...ce port input gain 0 Specifies in decibels the amount of gain to be inserted at the receiver side of the interface Acceptable values are integers from 6 to 14 Step 3 auto cut through Example Router config voiceport auto cut through E M ports only Enables call completion when a PBX does not provide an M lead response MOH requires that you use this command with E M ports Step 4 operation 4 wire Exam...

Page 309: ...s a CD player to autodial the directory number SUMMARY STEPS 1 call manager fallback 2 max dn max directory number 3 multicast moh multicast address port port route ip address list 4 moh live dn number calling number out call outcall number 5 exit Command or Action Purpose Step 1 dial peer voice tag pots Example Router config dial peer voice 7777 pots Enters dial peer configuration mode Step 2 des...

Page 310: ...t of MOH from a branch office flash MOH file to IP phones in the branch office Note This command must be used to source live feed MOH to multicast Cisco Unified CM mode It is not required in strict SRST mode multicast address and port port Declares the IP address and port number of MOH packets that are to be multicast The multicast IP address and port must match the IP address and the port number ...

Page 311: ...on hold interface Loopback0 ip address 10 1 1 1 255 255 255 255 interface FastEthernet0 0 ip address 172 21 51 143 255 255 255 192 call manager fallback ip source address 172 21 51 143 port 2000 max ephones 1 max dn 1 moh music on hold au Step 4 moh live dn number calling number out call outcall number Example Router config cm fallback moh live dn number 3333 out call 7777 Specifies that this tele...

Page 312: ...7777 matches the outcall number configured with the out call keyword of the moh live command voice port 1 0 0 input gain 3 auto cut through operation 4 wire signal immediate dial peer voice 7777 pots destination pattern 7777 port 2 0 0 call manager fallback max conferences 8 max dn 1 moh live dn number 3333 out call 7777 Feature Information for Cisco Unified SRST as a Multicast MOH Resource Table ...

Page 313: ...or a given feature Unless noted otherwise subsequent versions of Cisco Unified SRST software also support that feature Where to Go Next For additional information see the Additional References section on page 26 in the Cisco Unified SCCP and SIP SRST Feature Overview chapter Table 3 Feature Information for Cisco Unified SRST as a Multicast MOH Resource Feature Name Releases Feature Information Cis...

Page 314: ...Appendix B Integrating Cisco Unified Communications Manager and Cisco Unified SRST to Use Cisco Unified SRST Where to Go Next 314 Cisco Unified SCCP and SIP SRST System Administrator Guide OL 13143 04 ...

Page 315: ...call blocking configuration 168 called number digit translation rules 139 call forward b2bua all command 167 call forward b2bua busy command 167 call forward b2bua mailbox command 167 call forward b2bua noan command 167 call forward busy command 128 241 call forwarding 148 during busy signal or no answer 128 to voice mail 243 call forward noan command 128 241 call forward pattern command 149 calli...

Page 316: ... supported by each SRST version 24 Cisco Unified Video Advantage 257 Cisco Unity 235 245 codec command 164 codecs for video 259 common intermediate format see CIF 258 conferencing enabling on dual line phone 96 three party G 711 ad hoc 174 configuration call blocking 168 call forwarding 128 166 Cisco Unified SRST order of tasks 25 codecs 166 COR class or restriction 158 customized system message 9...

Page 317: ...236 dial peer voice command 153 237 dialplan pattern command enhancements in Cisco SRST V2 1 59 for converting abbreviated extension numbers to E 164 numbers 137 digit collect kpml command 80 digit translation rules 139 directory numbers as transfer targets 147 in call forward busy command 128 DNIS dialed number identification service digit translation rules for 139 documentation references 26 DTM...

Page 318: ...0 2 timeout command 149 hairpin forwarded calls FXO 245 hookflash analog transfer using 152 host command 71 hunting dial peer 144 huntstop command 144 rules 130 huntstop channel command 99 I incoming called number command 112 input gain command 308 in service static text message on Cisco IP phone displays 94 installation Cisco CallManager 15 Cisco SRST 15 integration Cisco SRST with Cisco CallMana...

Page 319: ...s configuring 147 P pattern command 243 pattern direct command 244 245 pattern ext to ext busy command 244 245 pattern ext to ext no answer command 244 245 pattern trunk to ext busy command 244 245 pattern trunk to ext no answer command 245 PBX private branch exchange 152 platforms supported by each SRST version 24 port command 237 POTS plain old telephone service configuring direct access to voic...

Page 320: ...phone dn summary command 271 show ephone offhook command 270 271 show ephone phone load command 257 show ephone registered command 257 270 271 show ephone remote command 271 show ephone ringing command 271 show ephone summary command 271 show ephone telephone number command 271 show ephone unregistered command 271 show running config command 272 show sip ua status command 255 show translation rule...

Page 321: ...gs 269 call setup 260 codecs supported 258 endpoints 259 firmware version 257 formats supported 258 media path 260 troubleshooting 270 video codecs 259 video support 257 vm integration command 245 voice class codec command 109 voice mail call forwarding 243 configuring direct access to 237 how Cisco SRST handles 235 routing of calls 236 voicemail command 241 243 voice register global command 164 v...

Page 322: ...Index 322 Cisco Unified SCCP and SIP SRST System Administrator Guide OL 13143 04 ...

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