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3Com VCX V7122/SIP VoIP Gateway User Manual

137

Possible Voice Problems

Solutions to possible voice problems are described in

Table 28

Table 28

Solutions to Possible Voice Problems

Problem Possible

Cause

Solutions

Silence compression not
compatible (when working with
different Gateway other than
3Com Gateway)

Disable it and check if quality is better.

Check that packet period in remote side is 20 ms.

G.711 voice
quality is bad
(clicks)

Packet size not compatible
(with G.711)

Check that the correct

-law or A-law compression is

in use.

No voice

There is no match in codecs

Change codec definition.

Summary of Contents for VCX V7122 SIP

Page 1: ...1 3Com VCX V7122 SIP VoIP Gateway User Manual Version 4 2 http www 3com com Part Number 900 0181 01 Rev AA Published June 2004 ...

Page 2: ...d a copy will be provided to you UNITED STATES GOVERNMENT LEGEND If you are a United States government agency then this documentation and the software described herein are provided to you subject to the following All technical data and computer software are commercial in nature and developed solely at private expense Software is delivered as Commercial Computer Software as defined in DFARS 252 227...

Page 3: ...E INSTALLATION 19 Hardware Installation Procedure 19 General 19 Available Configurations 20 Applicable Boards 20 Unpacking 21 Installation 22 Board Replacement 23 Optional CPU Board 23 VCX V7122 SIP Front and Rear Panels 24 VCX V7122 SIP Front Panels 24 VCX V7122 SIP Rear Panels 27 VCX V7122 SIP Front Panel LED Indicators 33 Reader s Notes 35 CHAPTER 3 SOFTWARE INSTALLATION 37 Installation Package...

Page 4: ...ow Example 54 SIP Authentication Example 57 Reader s Notes 60 CHAPTER 5 PROVISIONING 61 Provisioning for SIP Operation 61 Basic Logging and Web Parameters 62 E1 T1 Configuration Parameters 65 Channel Parameters 73 SIP Configuration Parameters 76 Loading Call Progress Tones and E1 T1 CAS Configuration Files 85 The INI File Structure 86 The INI File Structure Rules 86 The INI File Examples 87 Excel ...

Page 5: ...ded Web Server Username Password 104 Security Preferences 105 Accessing the Embedded Web Server 105 Quick Setup Configuration Parameters 106 Protocol Management Menu 107 Protocol Definition 108 Advanced Configuration Menu 113 Status and Diagnostic Menu 121 Software Update Menu 124 Save Configuration 128 Reader s Notes 129 CHAPTER 7 DIAGNOSTICS 131 Diagnostics Overview 131 VCX V7122 SIP Gateway Ala...

Page 6: ...n 146 Logging Screen 147 Preferences Window 147 Client Configuration Window 147 Template Window 148 Window Details 149 Main Window 149 Preferences Window 150 Client Configuration Window 152 Templates Window 153 Reader s Notes 155 APPENDIX B RTP RTCP PAYLOAD TYPES 157 B 1 Payload Types Defined in RFC 1890 157 B 2 3Com Defined Payload Types 158 APPENDIX C DEFAULT RTP RTCP T 38 PORT ALLOCATION 159 Re...

Page 7: ...6 APPENDIX F WINDOWS NT DHCP SERVER CONFIGURATION 167 Reader s Notes 172 APPENDIX G OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS 173 Register Your Product to Gain Service Benefits 173 Solve Problems Online 173 Purchase Extended Warranty and Professional Services 173 Access Software Downloads 174 Contact Us 174 Telephone Technical Support and Repair 174 ...

Page 8: ...8 3Com VCX V7122 SIP VoIP Gateway User Manual ...

Page 9: ...e Appendix G Obtaining Support for Your 3Com Products for details on how to register your product and get support from 3Com How to Use This Guide This book covers these topics Chapter 1 Overview of the VCX V7122 Chapter 2 Hardware Installation Chapter 3 Software Installation Chapter 4 Profile Operation and Configuration Chapter 5 Provisioning Chapter 6 Device Management Chapter 7 Diagnostics Chapt...

Page 10: ...etwork Warning Information that alerts you to potential personal injury or death Hexadecimal notation is indicated by 0x preceding the number Related Documentation The following documents are available on the 3Com Partner Access website for the 3Com VCX V7122 VoIP Gateway VCX V7122 SIP Release Notes Version 4 2 Documentation Comments Your suggestions are important to us because we want to make our...

Page 11: ...al 11 Please include the following information with your comments Document title Document part number usually found on the front page Page number Your name and organization optional Example 3Com VCX V7122 SIP VoIP Gateway User s Manual Page 25 ...

Page 12: ...12 3Com VCX V7122 SIP VoIP Gateway User Manual ...

Page 13: ... medium sized VoIP applications is a compact device comprising a 19 inch 1U chassis with optional dual AC or single DC power supplies The deployment architecture can include several VCX V7122 SIP Gateways in branch or departmental offices connected to local PBXs and call routing is performed by a centralized SIP proxy Thus the VCX V7122 SIP VoIP Gateway enables you to make low cost long distance o...

Page 14: ...14 3Com VCX V7122 SIP VoIP Gateway User Manual Figure 1 VCX V7122 SIP Front View Figure 2 VCX 7122 SIP Rear View Figure 3 illustrates typical VCX V7122 2000 SIP Gateway applications over VoIP Network ...

Page 15: ...5 Figure 3 Typical VCX V7122 SIP Gateway Application SIP Service Node LAN PSTN LAN Telephone LAN SIP Proxy VCX V7122 E1 T1 PRI CAS Router VCX V7122 PBX Branch B E1 T1 PRI CAS VCX V7122 PBX Branch A E1 T1 PRI CAS LAN IP Network Router Router Router ...

Page 16: ...the IP network providing LAN redundancy Coders include G 711 G 723 1 G 726 G 727 G 729A and NetCoder at from 6 4 through 9 6 Kbps selectable per channel Echo Canceler with a 32 ms tail Silence suppression with Comfort Noise Generation Compliant with SIP RFC 3261 Compact rugged 19 inch rack mount unit one U high 1 75 in or 44 5 mm with two CompactPCI cPCI slots Optional cPCI slot for third party CP...

Page 17: ...3Com VCX V7122 SIP VoIP Gateway User Manual 17 Reader s Notes ...

Page 18: ...18 3Com VCX V7122 SIP VoIP Gateway User Manual ...

Page 19: ...ty hot swappable compactPCI resource board with a capacity of up to 480 ports supporting all necessary functions for voice data and fax streaming over IP networks This board is available with a rear I O configuration in which both PSTN trunks and Ethernet interface are located on a passive rear I O module Figure 4 VCX V7122 SIP Gateway Front View Table 2 Figure 4 Legend 1 cPCI board locking screws...

Page 20: ...IP Gateway is provided in the following configurations E1 available configurations 30 Channels on one E1 span with Gateway 1 only 60 Channels on two E1 spans with Gateway 1 only 120 Channels on four E1 spans with Gateway 1 only 240 Channels on eight E1 spans with Gateway 1 only 480 Channels on 16 E1 spans with Gateway 1 and Gateway 2 T1 available configurations 24 Channels on one T1 span with Gate...

Page 21: ... Gateway follow these steps 1 Open the carton and remove packing materials 2 Remove the VCX V7122 SIP Gateway from the carton 3 Check that there is no equipment damage 4 Check retain and process any documents 5 Notify 3Com of any damage or discrepancies CAUTION Installation and service of 3Com VCX V7122 Gateways must be performed only by authorized qualified service personnel ...

Page 22: ...nk I O connect the E1 T1 cables to the VCX V7122 SIP Gateway E1 T1 interfaces on the rear I O panel These are two 50 pin female Telco connectors DDK 57AE 40500 21D labeled Trunks 1 8 and Trunks 9 16 on the rear I O module shown in Figure 6 on page 21 and detailed in Figure 7 The pinout of the 50 pin connectors is shown in Table 3 When using the VCX V7122 SIP E1 T1 Gateway with RJ 48c connectors fo...

Page 23: ...te the following The VCX V7122 SIP cPCI board which is also the TP 1610 cPCI board is hot swappable meaning that the board can be inserted and removed when the VCX V7122 SIP chassis is under power When removing the cPCI board from the cPCI chassis press the two red latches and wait for the blue LED to light indicating that the board can be removed When inserting the cPCI board into the cPCI chassi...

Page 24: ...7122 SIP Front Panels There is a choice of front panels according to the number of channels Figure 10 VCX V7122 SIP Front Panel Supporting up to 16 Trunks SWAP READY 9 11 13 15 10 12 14 16 1 3 5 7 2 4 6 8 ACT FAIL T1 E1 Status T1 E1 Status PWR 1610 Series 1 2 E t h LINK ACT 6 1 1 2 3 4 3 5 ...

Page 25: ... T1 E1 Status for each of trunks 1 8 or 9 16 Green All OK Red Alarm due to any of these four LOS Loss of Signal LFA Loss of Frame Alignment AIS Alarm Indication Signal RAI Remote Alarm Indication 4 Ethernet LEDs for each line LINK Green Link all OK ACT Yellow Transmit Receive 5 PWR Green Power On 6 Swap Ready Blue cPCI Board can be removed ...

Page 26: ...Com VCX V7122 SIP VoIP Gateway User Manual Figure 11 VCX V7122 SIP Front Panel Supporting up to Eight Trunks SWAP READY ACT FAIL PWR 1610 Series 1 2 E t h LINK ACT 1 3 5 7 2 4 6 8 T1 E1 Status 4 6 1 1 5 2 3 ...

Page 27: ... 6 Swap Ready Blue cPCI Board can be removed VCX V7122 SIP Rear Panels The VCX V7122 is provided with several types of rear panels Rear panel with two 50 pin Telco connectors shown in Figure 12 on page 28 supporting up to 16 E1 T1 spans Rear panel with eight RJ 48c connectors shown in Table 6 on page 28 supporting up to eight E1 T1 spans Rear panel with four RJ 48c connectors shown in Table 7 on p...

Page 28: ... SIP Rear Panel with two 50 pin Connectors for 16 Trunks 1610 Series 1 8 9 16 1 2 E t h e r n e t T r u n k s Table 6 Figure 12 Legend 1 cPCI Latch 2 E1 T1 trunks 1 8 or 9 16 wired per Table 3 must be connected here 3 Two Ethernet Ports RJ 45 LAN connectors 3 1 1 2 2 ...

Page 29: ...ure 13 VCX V7122 SIP Rear Panel with Eight RJ 48c Connectors for Eight Trunks 1 2 3 4 5 6 7 8 2 1 Ethernet 1610 Series Table 7 Figure 13 Legend 1 cPCI Latch 2 Eight E1 T 1 spans RJ 48c trunk connectors 3 Two Ethernet Ports RJ 45 LAN connectors 2 3 1 1 ...

Page 30: ...al Figure 14 VCX V7122 SIP Rear Panel with Four RJ 48c Connectors for Four Trunks 1 2 3 4 2 1 Ethernet 1610 Series Table 8 Figure 14 Legend 1 cPCI Latch 2 Four E1 T 1 spans RJ 48c trunk connectors 3 Two Ethernet Ports RJ 45 LAN connectors 2 3 1 1 ...

Page 31: ...al 31 Figure 15 VCX V7122 SIP Rear Panel with Two RJ 48c Connectors for Two Trunks 1 2 2 1 Ethernet 1610 Series Table 9 Figure 15 Legend 1 cPCI Latch 2 Two E1 T 1 spans RJ 48c trunk connectors 3 Two Ethernet Ports RJ 45 LAN connectors 3 1 1 2 ...

Page 32: ... Manual Figure 16 VCX V7122 SIP Rear Panel with One RJ 48c Connector for One Trunk 1 2 1 Ethernet 1610 Series Table 10 Figure 16 Legend 1 cPCI Latch 2 Two E1 T 1 spans RJ 48c trunk connectors 3 Two Ethernet Ports RJ 45 LAN connectors 2 3 1 1 ...

Page 33: ...escription Green Trunk is synchronized Normal Operation T1 E1 Status 1 to 8 T1 E1 Status 9 to 16 Red Loss due to any of the following four signals LOS Loss of Signal LFA Loss of Frame Alignment AIS Alarm Indication Signal The Blue Alarm RAI Remote Alarm Indication The Yellow Alarm bicolor LED Table 13 Ethernet Indicator LEDs on the VCX V7122 SIP Front Panel LED Name LED Color LED Function LINK Gre...

Page 34: ...ration the ACT LED lights green and the FAIL LED is off Changing of the FAIL LED to red indicates a failure In the correct VCX V7122 SIP operation the E1 T1 LED lights green Any other condition indicates failure either in the E1 T1 cable in the VCX V7122 SIP or at the remote side ...

Page 35: ...3Com VCX V7122 SIP VoIP Gateway User Manual 35 Reader s Notes ...

Page 36: ...36 3Com VCX V7122 SIP VoIP Gateway User Manual ...

Page 37: ... Voice Prompts and Call Progress Tones file generator utility Bootp_install exe 3Com BootP and TFTP Configuration Utility VCX V7122 SIP Initialization The VCX V7122 SIP is shipped with ready installed software The basic installation and Gateway configuration can be performed from a web browser such as from Microsoft Internet Explorer The INI file and other configuration files can be downloaded to ...

Page 38: ...ddress is unknown use the 3Com Configuration Utility or any standard BootP Server to set the Gateway IP address and subnet mask The VCX V7122 SIP Gateways are shipped with the following network parameters IP address of single module Gateway 10 1 10 10 IP addresses of double module Gateway 10 1 10 10 and 10 1 10 11 Subnet 255 255 0 0 Default Gateway 0 0 0 0 For a quick VCX V7122 setup follow these ...

Page 39: ...word fields default Admin Admin Note that these fields are case sensitive Click OK the Quick Setup screen opens 5 In the Quick Setup screen set the Gateway s new IP address NAT IP address subnet mask and default Gateway IP address 6 Set the basic SIP Gateway Parameters shown in Figure 18 Figure 18 SIP Quick Setup Screen ...

Page 40: ...modify all SIP and other Gateway parameters See Protocol Definition for detailed directions of operating under Web management control BootP DHCP and TFTP Procedures If the Gateway IP address is known you can use a web browser for Gateway configuration and provisioning Otherwise you can use BootP or DHCP and Trivial File Transfer Protocol TFTP protocols for initialization and software download Each...

Page 41: ...e Names Optional The Boot File Name field can contain one or two file names ram cmp to be used to download the application image and Mediant ini to be used for VCX V7122 SIP provisioning Either one two or no file names can appear in the Boot File Name field To use both file names use a semi colon separator without blank spaces between the xxx cmp and the yyy ini files for example ram cmp SIPgw ini...

Page 42: ...atures The main features of the Configuration Utility are BootP Server supporting hundreds of entries Integrated TFTP Server Common Log window displaying BootP and TFTP status Contains all data required for provisioning of 3Com products Provides the TFTP Server address enabling network separation of TFTP and BootP Servers Tools for backup and for restoring the local database Templates User defined...

Page 43: ...tware upgrade see VCX V7122 SIP Software Upgrade Other TFTP and BootP Servers Third party TFTP and BootP Servers can be used for example Weird Solutions www weird solutions com VCX V7122 SIP Software Upgrade General Upgrade Procedure The VCX V7122 SIP Gateway includes integral flash memory already programmed with application software The following procedure replaces the old stored software with th...

Page 44: ...nit s flash memory The parameter fb added to Boot file name is used to specify the burning of flash memory with new software image To test new software version without replacing the old version skip the fb parameter In this case the new software is downloaded directly to RAM and not permanently stored into flash Upgrade Procedure Using the 3Com Configuration Utility To upgrade the software using t...

Page 45: ...luding Mediant cmp Mediant ini CAS signaling when CAS is used Voice Prompt dat and Call Progress tone dat files 6 Click OK to return to the main screen 7 In the Services menu choose Clients The Client Configuration screen opens as shown in Figure 21 The parameter fields displayed on the right side of the screen constitute the VCX V7122 SIP software profile configuration The parameter fields are al...

Page 46: ...cordance with the IP address 11 Enter the IP address of the default Gateway it can be any address within the subnet 12 Select the Boot and INI Files 13 To permanently store the new image file in the unit s flash memory add the fb suffix to boot file name such as ram cmp fb After entering the file names click Apply Reset 14 The following status messages display in the 3Com BootP TFTP Server main sc...

Page 47: ...3Com VCX V7122 SIP VoIP Gateway User Manual 47 Reader s Notes ...

Page 48: ...48 3Com VCX V7122 SIP VoIP Gateway User Manual ...

Page 49: ... it supports numerous variants of CAS protocols for E1 and T1 spans including MFCR2 E M wink start E M immediate start E M delay dial start loop start and ground start Different CAS protocol can be defined for each E1 T1 that is different variants of CAS are allowed on different E1 T1 spans PSTN to SIP and SIP to PSTN called number can be optionally modified according to rules which are defined in...

Page 50: ... from the Web Proxy and Registrar Authentication handling 401 and 407 responses using Basic or Digest methods Supported methods INVITE CANCEL BYE ACK REGISTER OPTIONS INFO and REFER Modifying connection parameters for an already established call re INVITE Working with a Redirect server and handling 3xx responses Early Media supporting 183 Session Progress PRACK reliable provisional responses RFC 3...

Page 51: ...ress is used SIPgw IsProxyUsed SIPgw 1 Use SIP Proxy ProxyIp Proxy IP address SIPgw IP ProxyIP IP address of an outbound proxy server Can be either an explicit IP address or a domain name Two redundant proxy servers are supported The Gateway starts working with the main proxy first on the list in case of a failure the Gateway tries to communicate with the first redundant proxy second on the list O...

Page 52: ...definition defines the destination IP address for all incoming from PSTN calls that did not mach the PREFIX definitions The Gateway first searches for the Phone table to find a destination IP address then it looks for a Prefix parameter and later for Prefix IP address parameter The Prefix IP address defines destination IP address for any other phone number Choose Coder CoderName General Preferred ...

Page 53: ...nge of 1 24 is usually used such as 0 1 24 1000 To use the Trunk group feature it is required to define routing rules using the PSTNPrefix parameter The routing IPÆTel rules define for each called number according to its prefix the Trunk Group ID to where the call is sent For example PSTNPrefix 101 1 An outgoing IPÆTel call with called number starting with 101 is allocated to a free channel in Tru...

Page 54: ...p ID as a prefix to the destination number for TelÆIP calls AddTrunkGroupAsPrefix 1 3 In Gateway A route all incoming PSTN calls starting with the prefixes 1 2 3 and 4 to Gateway s B IP address Prefix 1 192 168 3 51 Prefix 2 192 168 3 51 Prefix 3 192 168 3 51 Prefix 4 192 168 3 51 It is also possible to define Prefix 192 168 3 51 instead of these four lines 4 In Gateway B route IPÆPSTN calls to Tr...

Page 55: ...3 INVITE Contact sip 8000 10 8 201 108 user phone Supported 100rel em Accept Language en Allow REGISTER OPTIONS INVITE ACK CANCEL BYE NOTIFY PRACK REFER INFO Content Type application sdp Content Length 208 v 0 o 3ComGW 18132 74003 IN IP4 10 8 201 108 s Phone Call c IN IP4 10 8 201 108 t 0 0 m audio 4000 RTP AVP 8 96 a rtpmap 8 pcma 8000 a rtpmap 96 telephone event 8000 a fmtp 96 0 15 a ptime 20 F2...

Page 56: ...06 v 0 o 3ComGW 30221 87035 IN IP4 10 8 201 10 s Phone Call c IN IP4 10 8 201 10 t 0 0 m audio 7210 RTP AVP 8 96 a rtpmap 8 pcma 8000 a ptime 20 a rtpmap 96 telephone event 8000 a fmtp 96 0 15 F5 10 8 201 108 10 8 201 10 ACK ACK sip 1000 10 8 201 10 user phone SIP 2 0 Via SIP 2 0 UDP 10 8 201 108 branch z9hG4bKacZYpJWxZ From sip 8000 10 8 201 108 tag 1c5354 To sip 1000 10 8 201 10 tag 1c7345 Call ...

Page 57: ...e INVITE to contain an Authorization header The following example describes the Digest Authentication procedure including computation of User Agent credentials 1 The REGISTER request is sent to Registrar server for registration as follows REGISTER sip 10 2 2 222 SIP 2 0 Via SIP 2 0 UDP 10 1 1 200 From sip 122 10 1 1 200 tag 1c17940 To sip 122 10 1 1 200 Call ID 634293194 10 1 1 200 CSeq 1 REGISTER...

Page 58: ...utcome of the calculation is the response needed by the Gateway to be able top register with the proxy The response is b9c45d0234a5abf5ddf5c704029b38cf 7 At this time a new REGISTER request is issued with the response REGISTER sip 10 2 2 222 SIP 2 0 Via SIP 2 0 UDP 10 1 1 200 From sip 122 10 1 1 200 tag 1c23940 To sip 122 10 1 1 200 Call ID 654982194 10 1 1 200 CSeq 1 REGISTER Contact sip 122 10 1...

Page 59: ...3Com VCX V7122 SIP VoIP Gateway User Manual 59 Contact 122 10 1 1 200 expires Tue 19 Jan 2038 03 14 07 GMT action proxy q 0 00 Expires Thu 26 Jul 2001 10 34 42 GMT ...

Page 60: ...60 3Com VCX V7122 SIP VoIP Gateway User Manual Reader s Notes ...

Page 61: ... 73 SIP parameters shown in Table 19 on page 77 Names for Call Progress Tone file CAS Signaling file and optional Voice prompts file For detailed information see Loading Call Progress Tones and E1 T1 CAS Configuration Files The file names in INI file must be enclosed in quotation marks All INI file data is downloaded at startup and stored in non volatile memory The provisioning procedure should be...

Page 62: ...port is not in auto negotiate but the speed 10 Base T 100 Base T in this mode is always configured correctly DNSPriServerIP Network Settings DNS Primary Server IP IP address of primary DNS server DNSSecServerIP Network Settings DNS Secondary Server IP IP address of secondary DNS server DHCPEnable Network Settings Enable DHCP 0 Disable default 1 Enable After the Gateway is powered up it first tries...

Page 63: ...sed even if it does not appear in the INI file Note that BootPRetries parameter becomes active after the VCX V7122 SIP is reset and INI file is loaded To change the parameters first modify the INI file and then reset the Gateway EnableDiagnostics 0 No diagnostics default 1 Perform diagnostics EnableLanWatchDog 0 Disable LAN WatchDog default 1 Enable LAN WatchDog The Gateway restarts if a LAN failu...

Page 64: ...ment ResetWebPassword Allows resetting to default of Web password to Username Admin Password Admin DisableWebConfig 0 Enable changing parameters from Web default 1 Operate Web Server in read only mode SNMPManagerIP Network Settings SNMP Manager IP IP address of SNMP Manager The SNMP manager is used for receiving SNMP Traps For example SNMPManagerIP 10 2 1 10 DisableSNMP Network Settings Enable SNM...

Page 65: ...aw is used for E1 spans and µ Law for T1 and J1 spans FramingMethod Trunk Settings Framing Method For E1 0 Multiframe with CRC4 default automatic mode if CRC is identified in the Rx CRC is sent in Tx otherwise no CRC a Double frame c Multiframe with CRC4 For T1 0 or D Extended super frame with CRC6 default 1 or B Super frame D4 F12 12 Frame multiframe A F4 4 Frame multiframe C Extended super frame...

Page 66: ...T1_TRANSPARENT 4 E1_TRANSPARENT_62 5 E1_TRANSPARENT_60 6 E1_MFCR2 7 E1_CAS_R2 8 E1_RAW_CAS 9 T1_NI2_ISDN 10 T1_4ESS_ISDN 11 T1_5ESS_9_ISDN 12 T1_5ESS_10_ISDN 13 T1_DMS100_ISDN 14 J1_TRANSPARENT 15 T1_NTT_ISDN 16 Japan Nippon Telegraph E1_AUSTEL_ISDN 17 Australian Telecom T1_HKT_ISDN 18 Hong Kong HKT E1_KOR_ISDN 19 Korean operator T1_HKT_ISDN 20 Hong Kong HKT over T1 E1_QSIG 21 Basic call only T1_Q...

Page 67: ...Trunk ID x 0 7 TDMBusClockSource TDMBusSettings TDM Bus Clock Source 1 Generate clock from local source 4 Recover clock from PSTN line default See Appendix E VCX V7122 Clock Settings for extended details of how to configure the Gateway s clock settings TDMBusPSTNAutoClockEnable TDMBusSettings TDM Bus PSTN Auto Clock 0 Recover the clock from first E1 T1 line default 1 Recover the clock from any con...

Page 68: ...h ISDN Non Facility Associated Signaling you can use single D channel to control multiple PRI interfaces Applicable only for T1 ISDN protocols The NFAS member of each trunk in NFAS group is equal to the Trunk ID 0 7 DchConfig_x Trunk Settings D Channel Configuration 0 Primary Trunk default 1 Backup Trunk 2 NFAS Trunk D channel configuration parameter defines primary backup optional and B channels ...

Page 69: ...es the CAS protocol It is possible to define up to eight different CAS files by repeating the CASFileName parameter Each CAS file can be associated with one or more of the Gateway trunks using CASTableIndex_x parameter CASTableNum 1 8 Indicates how many CAS protocol configurations files are loaded IdleABCDPattern Range 0x0 0xF Default 1 default pattern 0000 ABCD CAS Pattern to be applied to CAS si...

Page 70: ..._x Incoming Calls Behavior Same as ISDNInCallsBehavior for a specific Trunk ID x 0 7 DisconnectOnBusyTone Protocol Definition Disconnect Call on Detection of Busy Tone 0 Do not disconnect call on detection of busy tone 1 Disconnect call on detection of busy tone default This parameter is applicable for CAS protocols ProgressIndicator2ISDN 0 1 or 8 If set to 0 the progress indicator is not sent to ...

Page 71: ...xtension Used for IPÆ PSTN calls The Number Type TON parameter is used in ISDN Q 931 Setup messages Not all combinations of TON NPI are allowed Usually you need to select one of the following TON NPI sets 0 0 Unknown Unknown 1 1 International ISDN 2 1 National ISDN 4 1 Subscriber ISDN Numbering Plan Type in the Number Manipulation table if present will override the value defined by the global para...

Page 72: ... sets 0 0 Unknown Unknown 1 1 International ISDN 2 1 National ISDN 4 1 Subscriber ISDN Numbering Plan Type in the Number Manipulation table if present overrides the value defined by the global parameter Using the Number Manipulation tables enables configuration of the Numbering Plan and Type on a per call basis according to destination or source number SourceNumberType Manipulation tables Same as ...

Page 73: ...namic jitter buffer frame error delay optimization FaxTransportMode Fax transport Mode Sets the Fax transport 0 disable 1 relay default to be used for T 38 or FRF 11 2 bypass UseT38orFRF11 0 Use proprietary FRF 11 syntax to send receive fax relay 1 Use T 38 protocol to send receive fax relay default FaxRelayEnhanced RedundancyDepth Fax Relay Enhanced Redundancy Depth 0 4 default 0 Number of repeti...

Page 74: ...e Coder to be used while performing fax modem bypass See acTCoders enumeration Usually high bit rate coders such as G 711 and G 726 G 727 should be used 0 G711 A law 0 default 1 G711 µ law 1 4 G726_32 11 G727_32 FaxModemBypassM Fax Modem Bypass Packing Factor 1 2 default 1 Number of 20 ms payloads to be used for generating one RTP fax modem bypass packet FaxBypassPayloadType Fax Bypass Payload Typ...

Page 75: ... remains in voice stream 3 erase digit from voice stream relay to remote according to RFC 2833 RFC2833PayloadType RFC 2833 Payload Type The RFC 2833 DTMF relay dynamic payload type Range 96 99 106 127 Default 96 The 100 105 range is allocated for 3Com proprietary usage Cisco uses payload type 101 for RFC 2833 The same payload type should be used for receive and for transmit InputGain Input Gain 31...

Page 76: ...dence 0 7 default 0 Sets the value of the IP precedence field in the IP header for all RTP packets IPTOS Network Settings RTP IP TOS 0 15 default 0 Sets the value of the IP Type Of Service field in the IP header for all RTP packets BaseUDPport Network Settings RTP Base UDP Port Starting UDP port for RTP channels Should be above 5070 Default 6000 DTMFDigitLength Time in ms for generating of DTMF to...

Page 77: ... main proxy in case of a failure the Gateway tries to communicate with the first redundant proxy second on the list Once a proxy is found the Gateway will work with it until the next failure occurs If none of the proxies respond the Gateway goes over the list again The Gateway monitors connection with the proxy using keep alive messages OPTIONS ProxyName Proxy Name Home Proxy Domain Name If specif...

Page 78: ... registration The Gateway resumes registration before the timeout expires CoderName Coders Supported Coders g711Ulaw64k G 711 µ law 20 ms g711Alaw64k G 711 A law 20 ms g711Ulaw64k 5 G 711 µ law 5 ms g711Alaw64k G 711 A law 5 ms g711Ulaw64k 10 G 711 µ law 10 ms g711Alaw64k 10 G 711 A law 10 ms g7231 G 723 6 3 Kbps default g7231r53 G 723 5 3 Kbps g726 G 726 ADPCM 16 Kbps Payload Type 35 g726r16 G 72...

Page 79: ... for E1 span TrunkGroup_1 1 1 31 2000 TrunkGroup_2 2 1 24 3000 for T1 span Trunk group is an optional parameter it is still possible to use the ChannelList parameter to define enabled B channels as a single group PSTNPrefix IP to Trunk Group Routing table PSTNPrefix a b a Destination number prefix for IPÆTel calls b Trunk group ID Outgoing IPÆTel calls starting with the prefix a are routed to Trun...

Page 80: ...ripped digits c New prefix to be added or none d Number of remained digits from right e H 225 Q 931 Number Plan f H 225 Q 931 Number Type The parameter defines set of rule s for changing the destination phone number of incoming TelÆ IP calls Each set of rules applies to calls which their telephone number correspond with the prefix a The b c and d actions apply to that number The actions are execut...

Page 81: ...not play ringback tone No progress indicator is sent in ISDN ALERT message unless the Progress Indicator to ISDN parameter is configured differently If 180 ringing is received the Gateway plays RBT to PSTN PI 8 is sent unless Progress Indicator to ISDN parameter is configured differently For ISDN spans if PlayRBTone2Tel 1 on reception of 180 183 responses the Gateway plays ringback tone and PI 8 i...

Page 82: ...List parameter is enough to define the complete eight trunk Gateway ChannelList 0 240 1000 For eight E1 spans ChannelList 0 192 1000 For eight T1 CAS spans It also is possible to define phone numbers individually per E1 or T1 span For E1 spans CAS or ISDN 0 29 for the first span 30 59 for the second span 60 89 for the third span 90 119 for the fourth span For T1 ISDN spans 0 22 for the first span ...

Page 83: ...lect the next available B channel default Should be set to 1 for VCX V7122 SIP Gateways EnableEarlyMedia Enable Early Media 0 Early Media is disabled default 1 Enable Early Media If enabled the VCX V7165 Digital Media Server sends 183 Session Progress response instead of 180 ringing allowing the setup of the media stream prior to the answering of the call IsPrackRequired Enable PRACK 0 PRACK is no...

Page 84: ...ring is part of the SIP URL default IsDTMFUsed Use INFO for DTMF 0 not used 1 INFO message transfers DTMF digits implementing IETF draft draft choudhuri sip info digit 00 To use out of band DTMF transfer disable in band DTMF DTMFTransportType 0 erase digit and do not relay InfoDTMFFormat Use Info for DTMF 1 Sends DTMF digits according with IETF draft choudhuri sip info digit 00 2 Sends DTMF digits...

Page 85: ...llowing INI file fields are related to this operation CallProgressTonesFilename The name of the file containing the Call Progress Tones definitions See Call Progress Tone Generation and Download Procedure for additional information on how to create and download this file BurnCallProgressTonesFile Stores the Call Progress Tones configuration file in non volatile flash memory if set to 1 CASfilename...

Page 86: ...character are ignored Carriage return must be the final character of each line Number of spaces before and after is not relevant If there is a syntax error in the parameter name the value is ignored Syntax errors in the parameter value field can cause unexpected errors because parameters may be set to the wrong values Sub section names are optional The values of file name strings should be placed ...

Page 87: ... g7231 List of serial B channel numbers ChannelList 0 120 1000 ChannelList 120 120 2000 EnableSyslog 1 SyslogServerIP 10 2 2 1 LoggerFormat 3 CallProgressTonesFilename CPUSA dat BurnCallProgressTonesFile 1 CASFileName E_M_WinkTable dat BurnCasFile 1 Excel Utility for INI File Generation The Excel Utility enables easy generation of the VCX V7122 SIP and other 3Com Gateway INI files To use the Excel...

Page 88: ...88 3Com VCX V7122 SIP VoIP Gateway User Manual General Data Sheet Figure 24 General Data Sheet ...

Page 89: ...3Com VCX V7122 SIP VoIP Gateway User Manual 89 SIP Parameters Sheet Figure 25 SIP Parameters Sheet ...

Page 90: ...90 3Com VCX V7122 SIP VoIP Gateway User Manual End Points Data Sheet Figure 26 End Points Data Sheet ...

Page 91: ...3Com VCX V7122 SIP VoIP Gateway User Manual 91 Prefix to IP Routing Table Figure 27 Routing Table Data Sheet ...

Page 92: ...y is a binary file with the extension DAT You can construct your own configuration file by starting from tone ini file format then modifying the file and finally converting it into binary format using the Download conversion utility supplied with the VCX V7122 SIP package Select the Convert dBm values check box in the Conversion Utility to convert the INI file To download the Call Progress Tones f...

Page 93: ...one 8 Confirmation Tone 9 Call Waiting Tone Low Freq Hz Frequency in hertz of the lower tone component in case of dual frequency tone or the frequency of the tone in case of single tone High Freq Hz Frequency in hertz of the higher tone component in case of dual frequency tone or zero 0 in case of single tone Low Freq Level dBm Generation level 0 to 31 dBm High Freq Level Generation level 0 to 31 ...

Page 94: ...frequency should differ by at least 40 Hz from one tone to other defined tones Default Template for Call Progress Tones The VCX V7122 SIP Gateway is initialized with the default Call Progress Tones configuration template shown in Table 20 To change one of the tones edit the default call progress txt file For example to change the dial tone to 440 Hz only replace the Dial tone section in Table 20 w...

Page 95: ...al On Time 10msec 0 Second Signal Off Time 10msec 0 Ringback CALL PROGRESS TONE 2 Tone Type 2 Low Freq Hz 440 High Freq Hz 480 Low Freq Level dBm 19 High Freq Level dBm 19 First Signal On Time 10msec 0 First Signal Off Time 10msec 0 Second Signal On Time 10msec 200 Second Signal Off Time 10msec 400 Ringback CALL PROGRESS TONE 3 Tone Type 2 Low Freq Hz 440 High Freq Hz 0 Low Freq Level dBm 16 High ...

Page 96: ...al Off Time 10msec 25 Confirmation tone CALL PROGRESS TONE 7 Tone Type 8 Low Freq Hz 350 High Freq Hz 440 Low Freq Level dBm 20 High Freq Level dBm 20 First Signal On Time 10msec 10 First Signal Off Time 10msec 10 Second Signal On Time 10msec 10 Second Signal Off Time 10msec 10 Call Waiting Tone CALL PROGRESS TONE 8 Tone Type 9 Low Freq Hz 440 High Freq Hz 0 Low Freq Level dBm 20 High Freq Level d...

Page 97: ...fill the Vendor and Version fields Figure 30 File Selection Screen 5 Select the Convert code values into dBMs check box 6 Click Make file and then close the application 7 Edit the Mediant ini file and add the following two lines CallProgressTonesFilename usa_tone dat BurnCallProgressTonesFile 1 8 Save the usa_tone dat and Mediant ini files in TFTP folder ...

Page 98: ...nual 9 Set the boot file name in the BootP Server Mediant ini or use a web browser Network setting page 10 Activate the BootP and TFTP Servers and reset the VCX V7122 SIP see Provisioning for SIP Operation describing VCX V7122 SIP provisioning ...

Page 99: ...3Com VCX V7122 SIP VoIP Gateway User Manual 99 Reader s Notes ...

Page 100: ...100 3Com VCX V7122 SIP VoIP Gateway User Manual ...

Page 101: ...r MIB variables along with instructions to either get the value for the identifier or set the identifier to a new value The definitions of MIB variables supported by a particular agent are incorporated in descriptor files written in Abstract Syntax Notation ASN 1 format made available to network management client programs so that they can become aware of MIB variables and their usage The VCX V7122...

Page 102: ...g these traps The Trap messages are send to SNMP Manager The IP address of SNMP Manager is defined in the INI file or with a web browser in Network Settings SNMP MIB Objects The SNMP MIB is arranged in a tree structured fashion similar in many ways to a disk directory structure of files The top level SNMP branch begins with the ISO internet directory which contains four main branches The mgmt SNMP...

Page 103: ...tories can typically be viewed with a MIB Browser which is a traditional SNMP management tool incorporated into virtually all network management systems The act of compiling the MIB allows the manager to know about the special objects supported by the agent and access these objects as part of the standard object set VCX V7122 SIP Gateway Supported MIBs The TrunkPack VoIP Series contains an embedde...

Page 104: ...he VCX V7122 SIP Gateway using the Web Server are on the fly and not service affecting Password Control The Embedded Web Server is protected by a unique username password combination The first time that you access the Web interface you are prompted to provide your username password to obtain access Subsequent requests are negotiated by the browser on your behalf so that you do not have to re enter...

Page 105: ...n be initialized to read only mode by setting the DisableWebConfig 1 INI file parameter the default state is Read Write In this mode all the Web pages are presented in read only mode By selecting this mode you disable the capability to modify the configuration data In addition you do not have access to the Change Password page and to the Reset page When the device is controlled through PCI the Emb...

Page 106: ... screen Figure 31 appears Figure 31 Enter Network Password Screen Quick Setup Configuration Parameters To configure the device s parameters you can either use the Quick Setup menu or go directly to Advanced Configuration and Protocol Management menus Quick Setup provides a minimal set of Gateway configuration settings Click the Quick Setup button See Quick Setup Procedure on page 38 ...

Page 107: ...ent Menu To access the Protocol Management menu following these steps 1 To access the device s Protocol Management parameters from the main menu list on the left click Protocol Management The Protocol Management Parameters screen with the sub menu bar on the top opens Figure 33 Protocol Management Menu ...

Page 108: ... Early Media Parameters shown in Figure 36 Number Manipulation and Routing Modes Parameters Add Trunk Group ID as Prefix feature adds the Trunk Group ID to destination number for TelÆIP calls The routing and number manipulation rules can then be applied to the new number enabling you to define routing rules based on the Trunk group from where the call arrived The two routing mode parameters define...

Page 109: ...V7122 SIP VoIP Gateway User Manual 109 Figure 35 VoIP Coders Figure 36 Early Media Parameters Figure 37 Number of Manipulation and Routing Modes Figure 38 Supplementary Services Figure 39 ISDN and CAS Parameters ...

Page 110: ...he Trunk Group screen opens 2 Define the Trunk Groups Figure 41 Trunk Group Table In this example trunk group number 1 is composed of B channels from the first and the second E1 spans While trunk group number 2 is composed of B channels from the third E1 trunk In this example trunks 4 8 are disabled 3 Click Submit and then reset the Gateway using the Reset button Number Manipulation Tables Manipul...

Page 111: ...51001 and adds the digit 8 as a prefix For example number 035000 is changed to 972035000 number 1001876 is changed to 5876 and number 1234510012001 is changed to 82001 Tel to IP Routing Table Using the Tel to IP Routing table is mandatory if the Gateway operates without a proxy server It contains up to 50 rows Each row associates a called phone number prefix with a destination IP address The routi...

Page 112: ... 10 8 201 141 All the rest of the calls are routed to IP address 10 8 12 12 IP to Trunk Routing Table IP to Trunk Group Routing table is used to route incoming IPÆTel calls to groups of Gateway s E1 T1 B channels defined in the Trunk Group table according to destination number prefix To set the IP to Trunk Routing table follow these steps 1 On the sub menu bar on the top click IP to Trunk Routing ...

Page 113: ...lable B channel is allocated To use Trunk Groups it is necessary to enable Select Next Available Channel in Protocol Definition menu on the web or to configure IsUseFreeChannel 1 parameter in the INI file Advanced Configuration Menu To access the Advanced Configuration menu follow these steps 1 To access the device s Advanced Configuration parameters from the main menu list on the left click Advan...

Page 114: ...Network Settings The Network Settings screen opens 2 In the Network Settings screen you can enter or modify the following information IP settings including the Gateway IP address and subnet mask Logging settings such as the IP address of the SysLog server If the SysLog server is disabled the logging data is sent to the Gateway s serial RS 232 port SNMP settings RTP settings including RTP base UDP ...

Page 115: ...he top click Channel Settings The Channel Settings screen opens 2 In the Channel Settings screen you can enter or modify the Gateway s channel parameters such as Input and Output voice gain Jitter buffer characteristics and Modem Fax and DTMF transport modes These parameters apply to all Gateway ports 3 At the bottom of the screen click Submit The screen is refreshed ...

Page 116: ...the top select one by clicking a Trunk Status indicator The number of the Trunk is displayed in the upper right hand corner of the Trunk Configuration display The parameters displayed are for the selected Trunk only The Trunk Status indicators can appear colored Table 21 shows the possible indicators and their descriptions 3 To make a change to any of the parameters click Stop Trunk the parameters...

Page 117: ...ite Disabled Green Active OK Yellow RAI Alarm Red LOS Alarm Blue AIS Alarm Orange DChannel Alarm 4 Modify the relevant Trunk configuration parameters E1 T1 protocol type Framing method Line code and so on For CAS protocols you must select CAS Protocol Type T1 CAS or E1 CAS R2 In addition You must download the correct signaling CAS dat file using HTTP HTTP Download or using the TFTP procedure ...

Page 118: ...ted on the fly The screen is refreshed Parameters become read only indicated by being grayed The Stop Trunk button appears at the bottom of the screen TDM Bus Settings To set TDM Bus settings follow these steps 1 In the web browser s Address field append to the IP address the suffix TDMBusSettings for example http 10 1 229 17 TDMBusSettings Table 22 TDM Bus Settings Screen 2 After modifying any of...

Page 119: ...he Gateway is using The uploaded INI file will include only parameters that were modified and contain other than default values To access the Configuration File screen on the sub menu bar on the top click Configuration File The Configuration File screen opens Figure 49 Configuration File Screen To get the board s INI file click Get INI File A prompt opens enabling you to select a location to save ...

Page 120: ...s 1 Use the Browse button to locate the predefined Call Progress Tone CAS or Voice Prompt file as appropriate 2 Click Send File The file is sent to the board overwriting the previous one The screen is refreshed and a message opens indicating the wait to complete 3 Restart the Gateway To set the date and time follow these steps 1 Enter the date and or time using the YYYY MM and DD fields for the ye...

Page 121: ...to the fields and click Change Password The new password is active only after restarting the device Otherwise the old password is still active Status and Diagnostic Menu To access the Status and Diagnostics menu follow these steps 1 To access the Status and Diagnostics menu from the main menu list on the left click the Status Diagnostics button The Status and Diagnostics screen with the sub menu b...

Page 122: ...e Trunk and Channel Status screen appears The screen is Read only Figure 53 Trunk and Channel Status The number of trunks and channels depends of the system configuration In this example a system with eight spans and 32 E1 links from 0 through 31 is shown The Trunk Status indicators can appear colored Figure 54 shows the possible indicators and their descriptions Selecting any channel provides det...

Page 123: ...Gateway User Manual 123 Figure 54 Trunk and Channel Status Color Indicator Key Figure 55 Channel Status Message Log The Message Log provides debug messages similar to the syslog It is useful in pursuing troubleshooting issues ...

Page 124: ...s screen displays hardware and software product information To display the Versions screen on the sub menu bar on the top click Versions The Versions screen opens Figure 57 Versions Screen Software Update Menu The Software Update screen offers two options for downloading current software update files TFTP and HTTP In addition the License screen is provided for users to enter their updated license ...

Page 125: ...vant parameters click an option in the sub menu bar on the top for example TFTP Download or HTTP Download TFTP Download The TFTP Download screen facilitates the download of the image CMP and INI files using the TFTP protocol To use the TFTP Download screen follow these steps 1 On the sub menu bar on the top click TFTP Download The TFTP Download screen opens Figure 59 TFTP Download Screen 2 Enter t...

Page 126: ... The HTTP Download screen opens Figure 60 Software Update HTTP 2 Use the Browse button to locate the appropriate file on your computer 3 Click Send File The file is sent to the Media Gateway When the download is complete a verification message is displayed at the bottom of the screen File download succeeded 4 After updating the CMP file an automatic reset takes place After updating any of the othe...

Page 127: ...the computer The new key is displayed in the Current Key field Information about the key and software limitations is displayed in the Status field 4 To send a license key from your computer to the Media Gateway access the license key file using the Browse button and click Send File 5 To commit the changes to the Flash memory in the main menu on the left click the Reset button to go to the Reset sc...

Page 128: ...the configuration there is no need to use the Save Configuration screen prior to the reset To use the Save Configuration screen follow these steps 1 To access the Save Configuration menu from the main menu list on the left click Save Configuration The Save Configuration screen is displayed 2 Click Save Configuration The new information is saved to the Flash memory on the board A message informing ...

Page 129: ...3Com VCX V7122 SIP VoIP Gateway User Manual 129 Reader s Notes ...

Page 130: ...130 3Com VCX V7122 SIP VoIP Gateway User Manual ...

Page 131: ...LAN status and cPCI status tools SNMP Traps VCX V7122 SIP Self Testing on hardware initialization SysLog Event Notification Messages Solutions to Common Problems They are described in the following pages VCX V7122 SIP Gateway Alarms and SNMP Traps LED Visual Indicator Status and Alarms Table 23 Indicator LEDs on the VCX V7122 SIP Front Panel LED Name LED Color LED Function FAIL Red Gateway failure...

Page 132: ...mit Receive Activity Table 26 cPCI Indicator LEDs on the VCX V7122 SIP Front Panel LED Name LED Color LED Function PWR Green Power is supplied to the board The cPCI board can now be removed SWAP READY Blue The cPCI board was inserted successfully During correct VCX V7122 SIP operation the ACT LED lights green and the FAIL LED is off Changing of the FAIL LED to red indicates a failure In the correc...

Page 133: ...tus of the test results and ends the test To continue operational running reset the Gateway again but this time configure the EnableDiagnostics parameter to 0 SysLog Support Overview SysLog protocol is an event notification protocol that allows a machine to send event notification messages across IP networks to event message collectors also known as SysLog Servers The Syslog protocol is defined in...

Page 134: ...uscms_Server TriAction Software http www triaction nl Products SyslogDaemon asp Netal SL4NT 3 0 Syslog Daemon http www netal com A typical SysLog Server application enables filtering of the messages according to priority IP sender address time date and so on Setting the SysLog Server IP Address A SysLogServerIP Address parameter is supplied using a web browser or from an INI file in order to deter...

Page 135: ... the Gateway got the correct IP Network definitions Check the validity of IP address subnet and default Gateway If default Gateway is not used enter 0 0 0 0 Connect the PC with BootP server directly to the Gateway using network cross cable or connect the Gateway LAN port using simple Hub Switch Add BootPRetries 4 line to INI file BootP server did not receive the Gateway BootP request Some Cisco sw...

Page 136: ...n the SysLog printout that the address is of used TFTP Check default directory of TFTP Server and check that INI file exists there Verify in windows explorer that file extensions are displayed and the INI file is not by mistake XXX ini ini Verify that extension INI is in lowercase letters Verify that INI file name does t contain space s Verify that Timeout 2 seconds of retransmission 10 INI file i...

Page 137: ...le Cause Solutions Silence compression not compatible when working with different Gateway other than 3Com Gateway Disable it and check if quality is better Check that packet period in remote side is 20 ms G 711 voice quality is bad clicks Packet size not compatible with G 711 Check that the correct µ law or A law compression is in use No voice There is no match in codecs Change codec definition ...

Page 138: ...138 3Com VCX V7122 SIP VoIP Gateway User Manual Reader s Notes ...

Page 139: ...Coder at 6 4 9 6 Kbps 800 bps increments 3Com proprietary coder Silence Suppression G 723 1 Annex A G 729 Annex B PCM and ADPCM 3Com Proprietary Voice Activity Detection VAD and Comfort Noise Generation CNG NetCoder Echo Cancellation G 168 32 ms DTMF Detection and Generation Dynamic range 0 to 25 dBm compliant with TIA 464B and Bellcore TR NWT 000506 DTMF Transport Mute transfer in RTP payload or ...

Page 140: ...S 100 QSIG E1 T1 CAS protocols MFC R2 E M wink start Immediate start delay start loop start and ground start Feature Group B D for E1 T1 In Band Signaling DTMF TIA 464A MF R1 MFC R2 User defined Call Progress Tones Interfaces Telephony Interface 1 2 4 8 or 16 E1 T1 J1 Balanced 120 100 ohm Network Interface Two 10 100 Base T half or full duplex with auto negotiation LED Indicators LED Indications o...

Page 141: ...t Swap cPCI cards are full hot swap supported Power supplies are redundant but not hot swappable Enclosure Dimensions 445 x 44 x 300 mm 17 5 x 1 75 x 12 inch Installation 1U 19 inch 2 slot cPCI chassis rack mount shelf or desktop Rack mount with two side brackets option two extra rear side brackets Type Approvals Telecommunication Standards IC CS03 FCC part 68 Chassis and Host telecom card are app...

Page 142: ...Specifications Function Specification Diagnostics Front panel Status LEDs E1 T1 status LAN status Gateway status Fail ACT Power and Swap Ready SysLog events Supported by SysLog Server per RFC 3164 IETF standard SNMP MIBs and Traps Supported by any MIB browser SNMP manager ...

Page 143: ...3Com VCX V7122 SIP VoIP Gateway User Manual 143 Reader s Notes ...

Page 144: ...144 3Com VCX V7122 SIP VoIP Gateway User Manual ...

Page 145: ...om products in predefined format Provides a TFTP server address enabling network separation of TFTP and BootP servers Tools to backup and restore the local database Templates User defined names for each entity Option for changing MAC address Protection against entering faulty information Remote reset for this version and above Unicast BootP respond User initiated BootP respond for remote provision...

Page 146: ...t Host Boot File INI File Call Agent IP New MAC optional Screens Logging screen Preferences screen Client Configuration screen Template definition screen BootP TFTP Configuration Utility Installation The BootP TFTP Configuration Utility can be installed on a PC TrunkPack Boards TP VCX V7165 Platforms IPM TrunkPack Modules TPM MediaPack Series MP To install the BootP TFTP Configuration Utility unzi...

Page 147: ...ry to a new entity Preferences Window The Preferences Window Figure 63 on page 151 is used to define BootP and TFTP configuration parameters TFTP directory INI File Mask Boot File Mask TFTP timeout and number of retransmissions BootP replay type broadcast or unicast BootP ARP mode dynamic or static Number of initiated BootP replies send after remote reset optionally used when the Media Gateway is ...

Page 148: ...address If a template is selected any parameter can be entered manually or copied from the selected template by marking the checkbox on the right side of the parameter Usually only an IP address is entered manually while other parameters are copied from the template Template Window The Template Window Figure 65 on page 154 enables you to add modify or delete templates The template includes Subnet ...

Page 149: ...es to BootP requests are sent View Clients Button This button opens the Clients Configuration window View Templates Button This button opens the Templates Configuration window Clear Log Button This buttons clears the log Filter Unknown Clients Button This button filters all BootP requests that are not in the client configuration list Reset Button This button opens a dialog box where you can enter ...

Page 150: ...In this menu there two options Reset When this option is selected the program searches the database for the selected MAC When the client is found the program adds the client s MAC to the ARP table and then sends a reset command to the client Note that by performing the remote reset this way you do not have to know the current IP of the client To perform this you must have administrator privileges ...

Page 151: ...Dynamic ARP mode and Unicast as shown above This option requires you to have administrator privileges otherwise an error message appears If you do not have administrator privileges clear the ARP Manipulation Enabled check box in the Preferences Window Figure 63 The Number of Timed Replies field the number of initiated timed BootP replies can be used when the Gateway is installed behind a Firewall ...

Page 152: ...of the client When the user edits the MAC a new client is added with the same parameters as the previous client The client can be disabled by clearing the check box on the right side of the Client MAC causing the BootP server not to reply to the BootP request The client can be enabled by selecting the check box Click Apply button each time the Client Enable check box is selected or cleared Client ...

Page 153: ...ars It requires the user to have administrator privileges The remote reset is supported for software in this version and up When adding a new client click the Add Client button a client with blank parameters is displayed After filling out the parameters click Apply the client is added To find out if there is another BootP server on the net that contains a client with the same MAC address click Tes...

Page 154: ...154 3Com VCX V7122 SIP VoIP Gateway User Manual Figure 65 Templates Window ...

Page 155: ...3Com VCX V7122 SIP VoIP Gateway User Manual 155 Reader s Notes ...

Page 156: ...156 3Com VCX V7122 SIP VoIP Gateway User Manual ...

Page 157: ... Notes for the supported coders B 1 Payload Types Defined in RFC 1890 Table 30 Packet Types Defined in RFC 1890 Payload Type Description Basic Packet Rate ms 0 G 711 µ Law 5 10 20 2 G 726 32 20 4 G 723 6 3 5 3 Kbps 30 8 G 711 A Law 5 10 20 18 G 729 20 200 RTCP Sender Report Randomly approximately every 5 seconds when packets are sent by channel 201 RTCP Receiver Report Randomly approximately every...

Page 158: ... 16 Kbps 20 43 G 727 32 24 Kbps 20 44 G 727 32 Kbps 20 45 G 727 40 16 Kbps 20 46 G 727 40 24 Kbps 20 47 G 727 40 32 Kbps 20 49 NetCoder 4 8 Kbps 20 50 NetCoder 5 6 Kbps 20 51 NetCoder 6 4 Kbps 20 52 NetCoder 7 2 Kbps 20 53 NetCoder 8 0 Kbps 20 54 NetCoder 8 8 Kbps 20 55 NetCoder 9 6 Kbps 20 56 Transparent PCM 20 96 DTMF relay per RFC 2833 100 DTMF relay non standard 101 Fax Relay Different packet ...

Page 159: ...ion Table 32 Default RTP RTCP T 38 Port Allocation Channel Number RTP Port RTCP Port T 38 Port 1 6000 6001 6002 2 6010 6011 6012 3 6020 6021 6022 4 6030 6031 6032 5 6040 6041 6042 6 6050 6051 6052 7 6060 6061 6062 8 6070 6071 6072 n 6000 10 n 1 6001 10 n 1 6002 10 n 1 96 6950 6951 6952 120 7190 7191 7192 192 7910 7911 7912 240 8390 8391 8392 384 9830 9831 9832 480 10790 10791 10792 ...

Page 160: ...160 3Com VCX V7122 SIP VoIP Gateway User Manual Reader s Notes ...

Page 161: ...gits are erased from the audio stream and are relayed to the remote side according to RFC 2833 standard Fax Modem Settings You can choose to use for fax and for each modem type V 21 V 22 V 23 Bell V 32 V 34 one of the following transport methods Fax relay mode demodulation remodulation not applicable for Modem Bypass using a high bit rate coder to pass the signal Transparent passing the signal in ...

Page 162: ...ring Fax Modem ByPass Mode When VxxTransportType 2 FaxModemBypass Vxx can be either V32 V22 V21 Bell V34 Fax then when fax modem is detected the channel automatically switches from the current voice coder to a high bit rate coder as defined by the user with the FaxModemBypassCoderType configuration parameter If fax relay is enabled for one of the modes then the Answer Tone mode packets are relayed...

Page 163: ...ss In this configuration T 30 faxes use Relay mode T 38 while V 34 Fax uses Bypass mode In order to use V 34 fax in Relay mode T 38 you must configure FaxTransportMode 1 Relay V34ModemTransportType 0 Transparent V32ModemTransportType 0 V23ModemTransportType 0 V22ModemTransportType 0 V21ModemTransportType 0 This configuration forces the V 34 fax machine to work in T 30 mode ...

Page 164: ...164 3Com VCX V7122 SIP VoIP Gateway User Manual Reader s Notes ...

Page 165: ...nks connected to PBX 1 ClockMaster 1 for all master Gateway trunks connected to PBX 2 Assuming that the Gateway recovers its internal clock from one of the slave trunks connected to PBX 1 and provides clock to PBX 2 on its master trunks In addition it is necessary to define from which of the slave trunks the Gateway recovers its clock TDMBusPSTNAutoClockEnable 1 the Gateway automatically selects o...

Page 166: ...166 3Com VCX V7122 SIP VoIP Gateway User Manual Reader s Notes ...

Page 167: ...d to install Windows NT4 Service Pack 4 or higher after enabling the DHCP server service on the NT server This is required for correct operation with BootP clients To configure the Windows NT DHCP server follow these steps 1 After starting the system DHCP Manager opens Figure 66 Scope Menu 2 Select Add Reservations from the Scope menu the Add Reserved Clients screen opens ...

Page 168: ...ss you want to provide to the 3Com Gateway 4 The IP address reservation should be inside your DHCP scope 5 Enter the hardware MAC address 12 digits from your 3Com Gateway 6 Enter Client name it can be any free text 7 Select Add and then Close 8 From Scope menu in the main screen select Active Leases ...

Page 169: ...3Com VCX V7122 SIP VoIP Gateway User Manual 169 Figure 68 Active Leases Select Screen The Active Leases screen opens the following selection box Figure 69 Active Leases Selection Box 9 Click Properties ...

Page 170: ...Options Reservation screen 003 Router default router Gateway 012 Host Name BootP client name such as VCX V7111 24FXS or other customer selected name 066 Boot Server Host Name domain name or IP address of the TFTP server 067 Bootfile Name such as ram cmp The file ram hex is a loadable software image file The file ram cmp is a compressed version of the ram hex enabling faster download and reduced fi...

Page 171: ...fields are then displayed in the right pane of the DHCP Options Reservation screen under Active Options as the following figure shows Figure 72 Active Options 12 Select the 003 Router field and click Value 13 Edit the IP Address Array in the IP Address Array Editor screen ...

Page 172: ...172 3Com VCX V7122 SIP VoIP Gateway User Manual Reader s Notes ...

Page 173: ...Solve Problems Online 3Com offers these support tools 3Com Knowledgebase Helps you to troubleshoot 3Com products This query based interactive tool is located at http knowledgebase 3com com It contains thousands of technical solutions written by 3Com support engineers Connection Assistant Helps you to install configure and troubleshoot 3Com desktop and server network interface cards NICs wireless c...

Page 174: ...u buy an Express or Guardian contract a Software Upgrades contract or an equivalent support contract from 3Com or your reseller Support contracts that include software upgrades cover feature enhancements incremental functionality and bug fixes but they do not include software that is released by 3Com as a separately ordered product Separately orderable software releases and licenses are listed in ...

Page 175: ... Kong 800 933 486 Philippines 1235 61 266 2602 or 1800 1 888 9469 India 61 2 9424 5179 or 000800 650 1111 P R of China 800 810 3033 Indonesia 001 803 61009 Singapore 800 6161 463 Japan 00531 616 439 or 03 5977 7991 S Korea 080 333 3308 Malaysia 1800 801 777 Taiwan 00801 611 261 New Zealand 0800 446 398 Thailand 001 800 611 2000 You can also obtain support in this region at this e mail address apr_...

Page 176: ...2112 Panama AT T 800 998 2112 Brazil 0800 13 3COM Paraguay 54 11 4894 1888 Cayman 1 800 998 2112 Peru AT T 800 998 2112 Chile AT T 800 998 2112 Puerto Rico 1 800 998 2112 Colombia AT T 800 998 2112 Salvador AT T 800 998 2112 Costa Rica AT T 800 998 2112 Trinidad and Tobago 1 800 998 2112 Curacao 1 800 998 2112 Uruguay AT T 800 998 2112 Ecuador AT T 800 998 2112 Venezuela AT T 800 998 2112 Dominica...

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