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Features....................................................................................................................................................................................................................5 Features Supported..............................................................................................................................................................................................5 Features Not Supported.......................................................................................................................................................................................5
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IntroductionIntroductionIntroductionIntroduction
• This is an application note for connectivity of Avaya S8500 Communications Manager 5.2.1 with Cisco Unified Border Element via SIP.
• The network topology diagram (Figure 1) shows the test setup for end-to-end interoperability with the Cisco Unified Border Element (CUBE) connected to the IP PBX. Connectivity is achieved by using the SIP protocol.
• This Application Note uses the c3925 IOS-voice-gateway, however other Cisco voice gateways are also an option to use since CUBE implementation does not depend on the platform. Here is a list of Cisco Products capable of CUBE functionality:
• This Application Note uses the Cisco 3925 Integrated Services Router (ISR) G2 to run CISCO UBE feature set however other Cisco voice gateways are also an option to use since CISCO UBE implementation does not depend on the platform. Here is a list of Cisco platforms capable of CISCO UBE functionality:
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LimitationsLimitationsLimitationsLimitations
• To ensure basic calls are completed and avoid receiving a SIP 422 (Session timer too small) error from CUBE, the CUBE should be configured to have minimum session timer of 1200 to match the value sent by the Avaya PBX in its SIP INVITE message. The CUBE’s default value for this parameter is 1800.
• Connected Name is not presented to the originating (calling) Phone display. CUBE does not relay the destination CONTACT header display-name information and P-Asserted-Identity header from the 180 Ringing message sent by the Avaya PBX.
• Avaya PBX does not offer G.726 codec even when the Avaya is set for G.726. Additional hardware is required to support this codec.
• Call Transfer: Name and Number updates are not supported. The CUBE currently does not support relaying the P-Asserted-Identity header contained in re-INVITE and SIP response messages (i.e. 180 Ringing, 183 Session Progress and 200 OK) to update connected party’s information.
• Calling Number Restriction over SIP trunk is set by using feature access code.
• DTMF relay using RFC2833 requires the IOS CUBE to configure the appropriate dial-peer for “dtmf-relay rtp-nte”, “rtp payload-type 120”. Avaya SIP Phones default to DTMF RTP payload type value 120. This value overrides payload type setting on the trunk-group configuration page. Avaya digital phones default DTMF RTP payload type value is 127. To ensure that the all Avaya phones use the same payload type value, the Telephone Event Payload Type should be set to 120.
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no ip cef ! ! ! ! ! ip domain name yourdomain.com multilink bundle-name authenticated ! ! ! ! isdn switch-type primary-ni ! voice-card 0 ! voice-card 1 ! ! ! voice service voip allow-connections sip to sip1 signaling forward unconditional h323 sip min-se 1200 session-expires 12002
1 Allows SIP to SIP connection 2 To ensure basic calls are completed and avoid receiving a SIP 422 (Session timer too small) error from CUBE, the CUBE should be configured to have minimum session timer of 1200 to match the value sent by the Avaya PBX in its SIP INVITE message. The CUBE’s default value for this parameter is 1800.
3 To support P-Asserted-Identity. See Limitations section for limitations on support. The CUBE currently does not support relaying the P-Asserted-Identity header contained in re-INVITE and SIP response messages (i.e. 180 Ringing, 183 Session Progress and 200 OK) to update connected party’s information.
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interface GigabitEthernet0/2 no ip address shutdown duplex auto speed auto ! interface Serial1/0:23 no ip address encapsulation hdlc isdn switch-type primary-ni isdn incoming-voice voice no cdp enable ! ip default-gateway 172.20.66.1 ip forward-protocol nd ! ip http server ip http access-class 23 ip http authentication local ip http secure-server ip http timeout-policy idle 60 life 86400 requests 10000 ! ip dns server view-group DNS ip route 0.0.0.0 0.0.0.0 172.20.66.1 ! access-list 23 permit 10.10.10.0 0.0.0.7 ! nls resp-timeout 1
4 DTMF relay using RFC2833 requires the IOS CUBE to configure the appropriate dial-peer for “dtmf-relay rtp-nte”, “rtp payload-type 120”. Avaya SIP Phones default to DTMF RTP payload type value 120. This value overrides payload type setting on the trunk-group configuration page. Avaya digital phones default DTMF RTP payload type value is 127. To ensure that the all Avaya phones use the same payload type value, the Telephone Event Payload Type should be set to 120.
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line con 0 exec-timeout 0 0 line aux 0 line vty 0 4 exec-timeout 15 0 password cisco login transport input all ! scheduler allocate 20000 1000 end ISRG2-IPIP#sh ver Cisco IOS Software, C3900 Software (C3900-UNIVERSALK9-M), Version 15.1(3)T, RELEASE SOFTWARE (fc1) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2010 by Cisco Systems, Inc. Compiled Tue 16-Nov-10 01:48 by prod_rel_team ROM: System Bootstrap, Version 15.0(1r)M8, RELEASE SOFTWARE (fc1) ISRG2-ATT uptime is 6 days, 31 minutes System returned to ROM by reload at 15:45:51 PST Thu Jan 12 2012 System image file is "flash0:c3900-universalk9-mz.SPA.151-3.T.bin" Last reload type: Normal Reload Last reload reason: Reload Command
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This product contains cryptographic features and is subject to United States and local country laws governing import, export, transfer and use. Delivery of Cisco cryptographic products does not imply third-party authority to import, export, distribute or use encryption. Importers, exporters, distributors and users are responsible for compliance with U.S. and local country laws. By using this product you agree to comply with applicable laws and regulations. If you are unable to comply with U.S. and local laws, return this product immediately. A summary of U.S. laws governing Cisco cryptographic products may be found at: http://www.cisco.com/wwl/export/crypto/tool/stqrg.html If you require further assistance please contact us by sending email to [email protected]. Cisco CISCO3925-CHASSIS (revision 1.0) with C3900-SPE100/K9 with 997376K/51200K bytes of memory. Processor board ID FTX1447AJGW 3 Gigabit Ethernet interfaces 24 Serial interfaces 2 Channelized T1/PRI ports DRAM configuration is 72 bits wide with parity enabled. 255K bytes of non-volatile configuration memory. 254464K bytes of ATA System CompactFlash 0 (Read/Write) License Info:
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