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Chapter 6 Setting up the private VoIP network

Survivable Remote Gateway 50 Configuration Guide

Figure 15

Dialing Plan — Private Network panel, Private Network Settings subpanel

Meridian Customer Defined Network (MCDN)

MCDN is automatically activated when the system is converted to SRG operation. To ensure that
redirected IP telephones can transfer calls to the SRG50 local telephones, trunk anti-tromboning
(TAT) must be enabled.

Summary of Contents for SRG50

Page 1: ...Part No N0060720 03 December 2007 Survivable Remote Gateway 50 Configuration Guide...

Page 2: ...r implied warranty Users must take full responsibility for their applications of any products specified in this document The information in this document is proprietary to Nortel Networks Trademarks N...

Page 3: ...To datafill the CS2000 Main Office Settings panel 56 To enter the MODN 59 To redirect the telephone to the CICM 60 Setting up IP telephones 63 To set the IP telephone registration password 63 To chang...

Page 4: ...4 Task List N0060720 N0060720 Glossary 107 Index 109...

Page 5: ...in this guide 23 Text conventions 23 How to get help 24 Getting Help from the Nortel Web site 24 Getting Help over the phone from a Nortel Solutions Center 24 Getting Help through a Nortel distributo...

Page 6: ...ftware requirements 53 Supported IP telephones 53 Restrictions and limitations 54 Configuration considerations for CICM interoperability with SRG50 54 Configuring IP telephones for redirection 55 Step...

Page 7: ...PSTN 88 Remote Access Package for VoIP trunks 88 Configuring PSTN destination codes 88 Main office information 89 External attendant support 90 Considerations for PSTN access and analog devices 91 Co...

Page 8: ...8 Contents N0060720...

Page 9: ...ness continuity solution for small branch offices The SRG50 is supported on CS 1000 and CS 2000 call servers Information in the Survivable Remote Gateway 50 Configuration Guide pertains to Release 1 0...

Page 10: ...vival remote gateway in a branch office environment An SRG50 is created by applying the SRG application update and enabling the SRG50 application The BCM50 First Time Installation and Configuration Gu...

Page 11: ...ide 8 Navigate to the Date and Time panel Configuration System Date and Time 9 On the Current Date and Time subpanel change the Date and time as required and select the appropriate time zone from the...

Page 12: ...ments of eight for a total of 16 24 or 32 users To enable the SRG50 application After the SRG50 application update is installed and the BCM50 has rebooted the first SRG50 keycode must be applied to en...

Page 13: ...is ACTIVE 8 Open the Resources folder Configuration Resources 9 Verify that there is a Survivable Remote Gateway panel To increase the number of survivable IP users After the initial keycode has been...

Page 14: ...ation Module 16 ports DSM32 Digital Station Module 32 ports 4x16 Combo 16 digital ports 4 analog trunks and 1 analog station Does not support DDIM Digital Drop and Insert Mux Digital telephone sets Ye...

Page 15: ...cal trunk For the configuration of resources EM Configuration Resources and data services EM Configuration Data Services port is used in the context of the TCP IP protocol suite IP Terminal IP telepho...

Page 16: ...o one target line calling any of the DNs ring all of the associated phones Target lines are required for auto answer trunks Because VoIP lines are set internally to auto answer target lines are requir...

Page 17: ...ly routed to the SRG50 PSTN For main office callers the SRG50 acts as a VoIP PSTN gateway during normal mode When call forwarding has been configured incoming PSTN calls to the branch user set are for...

Page 18: ...the local PSTN dialing emergency service numbers and calling local extensions For a complete list of local mode features refer to Features in local mode on page 73 Local mode is illustrated in Figure...

Page 19: ...cause Test Local Mode was invoked and the timer has expired or the Exit button is pressed The phone is in local mode the main office is a CS 1000 and this is the first time that the phone has been red...

Page 20: ...Configuration Guide where applicable Generally SRG50 activities follow upon and leverage an installer s general knowledge of BCM50 activities However Nortel recommends that the BCM50 SRG50 site engin...

Page 21: ...ation as per the BCM50 Administration Guide N0016868 the BCM50 Networking Configuration Guide N0027156 and the BCM50 Device Configuration Guide N0027146 You have reviewed the SRG50 and BCM50 system re...

Page 22: ...ange Office IP Internet Protocol ISDN Integrated Services Digital Network LAN Local Area Network MCDN Meridian Customer Defined Network MO Main Office MOTN Main Office Telephone Number MSC Media Servi...

Page 23: ...where you can cause the system to fail or work improperly Note Note Symbol Alerts you to important information Tip Tip Symbol Alerts you to additional information that can help you perform a task Secu...

Page 24: ...el support contract and cannot find the information you require on the Nortel Support Web site you can get help over the phone from a Nortel Solutions Center In North America call 1 800 4NORTEL 1 800...

Page 25: ...50 Configuration Guide Getting Help through a Nortel distributor or reseller If you purchased a service contract for your Nortel product from a distributor or authorized reseller you can contact the t...

Page 26: ...26 Chapter 1 Getting started N0060720 N0060720...

Page 27: ...rnal Reference BCM50 Installation Maintenance Guide N0027152 b Confirm the number of IP sets and VoIP trunks Configuration Resources Application Resources The Licence column indicates the number of re...

Page 28: ...N0027156 Internal Reference Basic parameters on page 77 External Reference BCM50 Networking Configuration Guide N0027156 f Verify the line pool assignment of VoIP trunks In the default configuration...

Page 29: ...elephone codec and jitter settings Configuration Resources Telephony Resources IP Application Sets row Details for Module Internal subpanel IP Terminal Global Settings tab Internal Reference IP teleph...

Page 30: ...tings Configuration Resources Telephony Resources Modules panel IP Trunks row Media Parameters tab Internal Reference QoS settings codec jitter buffer and related items on page 80 External Reference B...

Page 31: ...a Decide on the fallback scheme Internal Reference Configuring fallback on page 83 b Configure the outgoing routes VoIP and PSTN fallback Configuration Telephony Dialing Plan Routing Internal Referenc...

Page 32: ...or the SRG50 on page 43 CS 2000 Configuration Resources Survivable Remote Gateway CS2000 Main Office Settings tab Internal Reference Configuring IP telephones for redirection on page 55 b Configure th...

Page 33: ...This guide is included on the SRG50 documentation CD for your reference Access to other CS 1000 documentation may be required if personnel are not familiar with configuration of branch offices on the...

Page 34: ...a telephone at the main office when it is called from another phone at the main office DN directory number The dialable number of a telephone at the SRG50 when it is called from another phone at the...

Page 35: ...e physically located with the SRG and are controlled by the SRG system are said to be in Local Mode These devices consist of analog telephones analog devices such as fax and may include IP Phones Norm...

Page 36: ...rver s IP address The SRG will redirect the IP Phone to the Alternate Signaling Server and continue to receive call processing services from the main office Call Server If no Alternate Signaling Serve...

Page 37: ...irtual trunk capacity The SRG50 s capacity to support a number of simultaneous calls depends on the specific codec type used In normal mode the codec selection used is controlled by specific programmi...

Page 38: ...e ID are entered with values defined by the main office configuration refer to Configuring the SRG50 for Bandwidth Management NBWM ADBWM and ACR on page 39 The VPNI and Zone ID allow the CS 1000 to re...

Page 39: ...to traditional routes Overflow can occur if there is insufficient interzone bandwidth available to carry the call or if the QoS has degraded to unacceptable levels The feature applies to station to s...

Page 40: ...nfiguration Guide N0027156 for more information on the logic behind this procedure 3 Obtain the ALTPrefix for the SRG50 configured at the main office 4 Define a route to the main office Attendant over...

Page 41: ...or NBWM and ADBWM To configure the SRG50 for NBWM and ADBWM on page 39 2 Refer to Call routing configuring for outgoing calls on page 86 and the BCM50 Networking Configuration Guide N0027156 for more...

Page 42: ...rgency Services Access on both the SRG50 and the CS 1000 The information here fleshes out the SRG50 procedure in that guide To configure the SRG50 for Emergency Services Access 1 Verify that a remote...

Page 43: ...ain Office Settings panel The following table lists and describes each field of the S1000 Main Office Settings panel Record the actual value in the Values column to facilitate configuration and provid...

Page 44: ...10 minutes default Range 2 to 10 minutes Period that an IP telephone remains in local mode after being set in local mode manually Telephone returns to normal mode automatically at the end of the time...

Page 45: ...ing plans select ESN LOC UDP BUID LOC DN The main office dialing plan Ensure that the SRG50 private dialing plan is configured to match the selected value Node ID 9999 default Range 0 to 9999 Automati...

Page 46: ...etting up IP telephones on page 63 it automatically registers with the SRG50 S1 To configure an IP telephone for redirection to the main office call server SRG specific datafill is required The SRG sp...

Page 47: ...000 TN is configured the IP telephone model forms part of the record At the SRG50 the actual IP telephone configured to an SRG50 DN must be the same model that is configured in the TN record that is a...

Page 48: ...6 expand the field to read the entire status message F W Version Read only Updated by the main office when a terminal is sent back to the SRG50 for firmware upgrade purposes The field specifies the fi...

Page 49: ...he required DN 5 Press the Modify button 6 Enter the MOTN and the BUID in the appropriate fields Redirecting the telephone to the main office call server To redirect the telephone to the main office c...

Page 50: ...50 Chapter 3 CS 1000 considerations N0060720 N0060720 Figure 6 S1000 IP Terminal Details panel...

Page 51: ...CS 1000 Firmware supported by SRG50 Release 1 0 The following table lists the IP clients and related firmware versions supported on the SRG50 The SRG50 column indicates the firmware versions included...

Page 52: ...he CS 1000 uses the umsUpgradeAll command or variant to redirect the telephone back to the SRG50 for upgrading If the required file does not exist on the SRG50 or its version is incorrect the SRG init...

Page 53: ...e solution level Basics document associated with your CS 2000 based solution Hardware and software requirements For CICM interoperability with the SRG50 the following hardware and software are require...

Page 54: ...r to the Centrex IP Client Manager Etherset Installation Guide and User Manual NN10027 113 for detailed instructions on how to install and configure IP telephones The IP telephones that are located at...

Page 55: ...gured for redirection This section describes the activities required to configure the telephones for redirection The next section Registering the IP telephones at the SRG50 Test Local Mode on page 61...

Page 56: ...plan recommend that field is left blank VOIP Trunk Access Code Destination code for VoIP trunks AC1 Destination code for VoIP trunks is entered during configuration for advanced routing Refer to Call...

Page 57: ...odel of each IP telephone installed at the SRG50 must match the model of phone configured for the corresponding number at the main office This requires mapping the CS 2000 main office directory number...

Page 58: ...on this panel Table 9 SRG_CS2000Terminal Details fields Sheet 1 of 2 Field Values Description DN Read only The SRG50 DN assigned to the telephone This must be configured before proceeding with the pr...

Page 59: ...terminal details on page 96 expand the field to read the entire status message Main Office DN MODN Required for call forwarding Leave blank if call forwarding is not required If provisioned the SRG50...

Page 60: ...ICM To redirect the telephone to the CICM 1 On the SRG50 Element Manager navigate to Configuration Resources Survivable Remote Gateway 2 Select the CS2000 IP Terminal Details tab Figure 8 3 Select the...

Page 61: ...it button you must wait until the test times out Firmware upgrade The redirected IP telephones at the SRG50 are under the control of the main office call server for the majority of their deployment an...

Page 62: ...62 Chapter 4 CS 2000 considerations N0060720 N0060720...

Page 63: ...ved numbers on page 69 Configuring DHCP settings on page 70 Call forwarding options on page 71 Configuration settings for redirected phones on page 72 Test Local Mode on page 72 Features in local mode...

Page 64: ...Must be selected to allow IP telephones to register Enable global registration password Select if a password is going to be entered in the next field Global password If selected the installer must en...

Page 65: ...ld specifies the message that provides local mode indication Change as required IP telephone codec and jitter settings When the IP telephones are operating in local mode codec and jitter settings are...

Page 66: ...provide basic instructions for configuring DNs and IP telephones The following instructions are in addition to these instructions and only apply to IP telephones that are to be redirected to a main o...

Page 67: ...l Forward All Calls feature is automatically discontinued and the SRG50 routes calls to the SRG50 DNs Call Forward All Calls does not require Allow redirect to be enabled Allow redirect is found on th...

Page 68: ...Preferences tab 14 Set Intercom Keys to 1 if required 15 On the Details for DN subpanel select the Button Programing Table tab 16 Program the voice mail access button with the PSTN dialup for the mai...

Page 69: ...terminology on page 15 To map received numbers to the DN 1 On the SRG50 Element Manager navigate to Configuration Telephony Lines Target Lines Figure 12 2 Select the target line of the DN for which y...

Page 70: ...r 2 Select the General Settings tab 3 On the DHCP Server is pull down menu select Enabled IP Phones Only 4 On the WINS node type pull down menu select H node 5 In the Default gateway field enter an ad...

Page 71: ...ed using the SRG specific panels of the SRG50 Element Manager Configuration Resources Survivable Remote Gateway Refer to the server specific chapters for details CS 1000 considerations on page 33 and...

Page 72: ...voking local mode test is specific to the main office call server Refer to the server specific chapters for details for CS 1000 S1000 Main Office Settings panel on page 43 for CS 2000 Registering the...

Page 73: ...hold This determines if a caller on hold hears tones music or nothing Receiver volume Set to use the system volume since IP users cannot use the feature code to set a default telephone volume Delayed...

Page 74: ...ture differs on that platform 911 Emergency Services Support For IP telephones in local mode and for other telephones at the SRG50 the BCM50 Networking Configuration Guide N0027156 provides details fo...

Page 75: ...cations Before proceeding ensure that IP networking from the SRG50 to the WAN and from the main office call server to the WAN have been configured and tested Figure 13 SRG specific configuration estab...

Page 76: ...ice are Basic parameters on page 77 Private dialing plan on page 78 Meridian Customer Defined Network MCDN on page 79 QoS settings codec jitter buffer and related items on page 80 Network security on...

Page 77: ...n Private Network panel Private Network Settings subpanel Private Received number length field For calls originating from a private network this establishes the number of digits the SRG50 retains 4 Co...

Page 78: ...vate Network Dialing Plan Private Network panel Private Network Settings subpanel Figure 15 SRG50 net mask Configured as part of BCM50 foundation configuration Path Configuration System IP Subsystem I...

Page 79: ...ing Plan Private Network panel Private Network Settings subpanel Meridian Customer Defined Network MCDN MCDN is automatically activated when the system is converted to SRG operation To ensure that red...

Page 80: ...ng Plan Private Network panel MCDN subpanel QoS settings codec jitter buffer and related items Quality of Service QoS settings for the VoIP trunks at the SRG50 are determined by the main office settin...

Page 81: ...umn and select the IP Trunks row Figure 17 3 On the Details for Module Internal subpanel select the Media Parameters tab 4 Refer to the main office QoS settings recorded in the preceding table and ent...

Page 82: ...figuration for SRG50 is the same as for the BCM50 and is detailed in the BCM50 Networking Configuration Guide N0027156 Firewalls cannot be configured to allow VoIP pass through Instead the SRG50 suppo...

Page 83: ...or SRG operation fallback and gatekeeper configuration is common to all VoIP trunks To enable fallback 1 Access the IP Trunks configuration panel on the SRG50 Element Manager Configuration Resources T...

Page 84: ...alls based on an internal numbering table Ensure that the gatekeeper administrator has a list of the numbers that identify the SRG50 and the SRG50 PSTN Examples If the system is running with a CDP dia...

Page 85: ...the Details for Module Internal details panel select the Local Gateway tab 3 On the H 323 Settings subpanel locate the Call signaling field and use the pull down menu to select Gatekeeper Routed 4 On...

Page 86: ...ng for outgoing calls To configure routing for outgoing calls 1 Create a schedule a Access the Scheduled Services panel Configuration Telephony Scheduled Services b Select a Schedule Schedule 4 for ex...

Page 87: ...ss the Dialing Plan Routing panel Configuration Telephony Dialing Plan Routing and select the Destination Codes tab b Add a new destination code for example 678 c With the Destination Code row highlig...

Page 88: ...ckage is then assigned to each VoIP trunk To configure remote access packages 1 Set up a remote access package for the PSTN line pool Configuration Telephony Call Security Remote Access Packages 2 Ass...

Page 89: ...n The SRG50 requires information about the main office call server that is not needed for a BCM50 The SRG50 Element Manager accommodates this information with SRG specific panels that are activated af...

Page 90: ...DN at the SRG50 can be specified Since this DN is likely to receive calls in a WAN failure scenario it must be an IP telephone that can transfer the calls to the desired party If the IP set is also a...

Page 91: ...e VoIP pathway is a dedicated trunk to another closed system To allow tandem dialing from the main office to the SRG50 PSTN or to allow redirected SRG50 IP telephones to use the SRG50 local PSTN a rem...

Page 92: ...destination codes if the VoIP trunk line pool is assigned to the device but the main office does not have any settings or administration for these devices 2 Access to system features Analog telephone...

Page 93: ...cess number for the telephone in the Public OLI field Pub OLI 4 To assign specific PSTN lines to each telephone add the line s Details for DN details panel Line Assignment tab You would do this if for...

Page 94: ...ne pool to the analog devices 8 On the Active Sets panel Configuration Telephony Sets Active Sets Figure 20 select the Capabilities and Preferences tab 9 Set Handsfree to None 10 Clear the HF Answerba...

Page 95: ...f an IP telephone does not display the text Connecting to server within two minutes after power up the telephone was unable to establish communications with the SRG50 Double check the IP configuration...

Page 96: ...t filter and Source Port input filter are set to ALL Output Destination IP is set to ALL Input filter Destination IPs are the IP range for all IP telephones behind the firewall in Local mode UniSTIM s...

Page 97: ...l The set is not provisioned to be redirected DN XXX Invalid ID 1 No endpoint in Gatekeeper database 57250 Minor S1000 Indicates configuration problem DN XXX Invalid ID 2 ID unknown within the Call Se...

Page 98: ...n office parameters to configure on the SRG50 As a result there are fewer places where configuration may be an issue but this also means that the difference between a WAN problem versus an address con...

Page 99: ...telephones Manually redirecting IP telephones below Manually redirecting IP telephones To manually redirect an IP telephone to the main office 1 Access the Telephony Sets Active Sets IP Terminal Detai...

Page 100: ...100 Chapter 8 Troubleshooting N0060720...

Page 101: ...ete description A quick reference list to the default SRG50 features for an analog telephone are provided in ATA extension features on page 104 Consult the SRG50 administrator to determine if these fe...

Page 102: ...Software Phone in Local Mode Note MVC2050 and MVC2050E Softphones are supported on CS 1000 only Programmable label Not active Intercom Line Autodials voice mail through PSTN Exit Quit key only active...

Page 103: ...mote Gateway 50 Configuration Guide 2004 in Local mode Aug 6 9 43 am Local Mode Transfer Lastnum 345 Programmable label Not active Intercom Line Autodials voice mail through PSTN Exit Quit key only ac...

Page 104: ...ine LINK 2 Privacy control LINK 83 Call Forward local system LINK 4 LINK 4 Link LINK 71 Call Forward external system LINK 4 dialed LINK 2 LINK 4 Pause LINK 78 Timed release LINK 72 Ring Again LINK 2 L...

Page 105: ...d local mode 105 Survivable Remote Gateway 50 Configuration Guide Page Intercom LINK 61 and zone 0 to 6 Leave a message LINK 980 Page External LINK 62 Page All LINK 63 and zone 0 to 6 Feature Activate...

Page 106: ...106 Telephone features in normal and local mode N0060720...

Page 107: ...l office and is the interface offered on a standard telephone Example RJ 11 connector that allows analog connection to the central office gatekeeper The gatekeeper is an IP network application that di...

Page 108: ...niform Dialing Plan Each location within the network is assigned a Location Code On a private network this code precedes the directory number of the telephone being dialed Depending on routing configu...

Page 109: ...ting the SRG50 10 D Danger symbol 23 dialing plan private 78 E emergency services access 42 events 96 F F W version 48 58 fallback troubleshooting 98 features local mode 73 firewall IP configuration n...

Page 110: ...package VoIP trunks 88 S Security symbol 23 slow connection IP telephones 95 SRG analog devices 92 gatekeeper failure 99 IP telephone firmware error 98 SRG50 conversion process 89 creating 10 IP term...

Page 111: ...figuration Guide U UDP type of number 45 V vacant number routing 37 virtual trunk capacity 37 VoIP trunk access code 44 56 VoIP trunks line configuration 86 MCDN network setting 79 remote package 88 S...

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