Hi, I am having trouble figuring out how to process the calling-name coming from the PRI. In my setup, PRI is connected to a Cisco media gateway which sends traffic to the proxy servers. Calling name is not coming in the ISDN setup message. It is actually provided in a separate facility message [1].
Cisco gateway processes this secondary messages and generates a INFO message. Polycom phone sends the 200 ok message but there is no change in the visible caller id. Does anyone have a working example or suggestion of how this is supposed to work? Invite: U 2015/12/17 14:20:31.215540 10.10.1.1:50975 -> 10.10.2.2:5060 INVITE sip:[email protected]:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.1.1:5060;branch=z9hG4bK3A2284. Remote-Party-ID: "1112223333" <sip:[email protected] >;party=calling;screen=yes;privacy=off. From: "1112223333" <sip:[email protected]>;tag=5745CCC-1C72. To: <sip:[email protected]>. Date: Thu, 17 Dec 2015 19:20:31 GMT. Call-ID: [email protected]. Supported: 100rel,timer,resource-priority,replaces,sdp-anat. Min-SE: 1800. Cisco-Guid: 0311776101-2754220517-2148597785-1445067520. User-Agent: Cisco-SIPGateway/IOS-12.x. Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER. CSeq: 101 INVITE. Max-Forwards: 70. Timestamp: 1450380031. Contact: <sip:[email protected]:5060>. Expires: 180. Allow-Events: telephone-event. Content-Type: application/sdp. Content-Disposition: session;handling=required. Content-Length: 279. . v=0. o=CiscoSystemsSIP-GW-UserAgent 3918 6190 IN IP4 10.10.1.1. s=SIP Call. c=IN IP4 10.10.1.1. t=0 0. m=audio 18854 RTP/AVP 0 18 101. c=IN IP4 10.10.1.1. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. Invite messages: U 2015/12/17 14:20:31.546310 10.10.1.1:50975 -> 10.10.2.2:5060 INFO sip:[email protected]:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.1.1:5060;branch=z9hG4bK3C1EC0. From: "1112223333" <sip:[email protected]>;tag=5745CCC-1C72. To: <sip:[email protected]>;tag=1768D8EC-CCDB1323. Date: Thu, 17 Dec 2015 19:20:31 GMT. Call-ID: [email protected]. User-Agent: Cisco-SIPGateway/IOS-12.x. Max-Forwards: 70. Route: <sip:10.10.2.2;lr=on;ftag=5745CCC-1C72>. Timestamp: 1450380031. CSeq: 103 INFO. Contact: <sip:[email protected]:5060>. Remote-Party-ID: "WIRELESS CALLER" <sip:[email protected] >;party=calling;screen=no;privacy=off. Content-Length: 0. . Best Regards, -- Zahid [1] http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/voice/sip/configuration/15-mt/sip-config-15-mt-book/voi-sip-isdn.html#GUID-53D5C9AB-AAC4-4178-8158-0DAEFB5BC33E (figure 2 is close to what we are seeing)
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