Content
This can be done via the following SIP INFO message and must be sent during the existing dialog. This message should be sent by the PBX.
INFO sip:431@10.10.12.87 SIP/2.0 Via: SIP/2.0/UDP 192.168.10.59:1036;branch=z9hG4bK29c9b031;rport From: "430" <sip:430@192.168.10.59>;tag=as2551b6cf To: <sip:431@10.10.12.87:5060>;tag=ctxr9rd1t6 Contact: <sip:info@PBXserver> Call-ID: 41304da47a3fde79141e862424996fa9@192.168.10.59 CSeq: 200 INFO Max-Forwards: 70 User-Agent: snom320/testing_branch_7_3_2009_02_23_13_32_41 Content-Type: message/sipfrag Content-Length: 45
To:
From: "New-ID" <sip:123@192.168.10.11>
Note: In case you are generating the INFO message yourself, please make sure that:
Here is a complete SIP trace of a call followed by an in-dialog SIP INFO message:
INVITE sip:432@10.10.12.88:1024;line=kdpizpq6 SIP/2.0 Via: SIP/2.0/UDP 192.168.10.59:5060;branch=z9hG4bK111c0678;rport From: "430" <sip:430@192.168.10.59>;tag=as34192650 To: <sip:432@10.10.12.88:1024;line=kdpizpq6> Contact: <sip:430@192.168.10.59> Call-ID: 7b0f73691b286eea690513eb7bb16b51@192.168.10.59 CSeq: 102 INVITE User-Agent: Asterisk PBX Max-Forwards: 70 Date: Wed, 02 Jun 2010 09:52:34 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Supported: replaces Content-Type: application/sdp Content-Length: 264 v=0 o=root 1877 1877 IN IP4 192.168.10.59 s=session c=IN IP4 192.168.10.59 t=0 0 m=audio 17940 RTP/AVP 8 0 101 a=rtpmap:8 PCMA/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=silenceSupp:off - - - - a=ptime:20 a=sendrecv
Sent to udp:192.168.10.59:5060 at 2/6/2010 00:52:15:025 (503 bytes):
SIP/2.0 180 Ringing Via: SIP/2.0/UDP 192.168.10.59:5060;branch=z9hG4bK111c0678;rport=5060 From: "430" <sip:430@192.168.10.59>;tag=as34192650 To: <sip:432@10.10.12.88:1024;line=kdpizpq6>;tag=dwsvd8el2x Call-ID: 7b0f73691b286eea690513eb7bb16b51@192.168.10.59 CSeq: 102 INVITE Contact: <sip:432@10.10.12.88:1024;line=kdpizpq6>;reg-id=1 Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE Allow-Events: talk, hold, refer, call-info Content-Length: 0
Sent to udp:192.168.10.59:5060 at 2/6/2010 00:52:15:539 (503 bytes):
SIP/2.0 180 Ringing Via: SIP/2.0/UDP 192.168.10.59:5060;branch=z9hG4bK111c0678;rport=5060 From: "430" <sip:430@192.168.10.59>;tag=as34192650 To: <sip:432@10.10.12.88:1024;line=kdpizpq6>;tag=dwsvd8el2x Call-ID: 7b0f73691b286eea690513eb7bb16b51@192.168.10.59 CSeq: 102 INVITE Contact: <sip:432@10.10.12.88:1024;line=kdpizpq6>;reg-id=1 Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE Allow-Events: talk, hold, refer, call-info Content-Length: 0
Sent to udp:192.168.10.59:5060 at 2/6/2010 00:52:16:085 (848 bytes):
SIP/2.0 200 Ok Via: SIP/2.0/UDP 192.168.10.59:5060;branch=z9hG4bK111c0678;rport=5060 From: "430" <sip:430@192.168.10.59>;tag=as34192650 To: <sip:432@10.10.12.88:1024;line=kdpizpq6>;tag=dwsvd8el2x Call-ID: 7b0f73691b286eea690513eb7bb16b51@192.168.10.59 CSeq: 102 INVITE Contact: <sip:432@10.10.12.88:1024;line=kdpizpq6>;reg-id=1 User-Agent: snom370/8.2.29 Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE Allow-Events: talk, hold, refer, call-info Supported: timer, 100rel, replaces, from-change Content-Type: application/sdp Content-Length: 240 v=0 o=root 859232531 859232532 IN IP4 10.10.12.88 s=call c=IN IP4 10.10.12.88 t=0 0 m=audio 49544 RTP/AVP 8 0 101 a=rtpmap:8 pcma/8000 a=rtpmap:0 pcmu/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=ptime:20 a=sendrecv
Received from udp:192.168.10.59:5060 at 2/6/2010 00:52:16:356 (402 bytes):
ACK sip:432@10.10.12.88:1024;line=kdpizpq6 SIP/2.0 Via: SIP/2.0/UDP 192.168.10.59:5060;branch=z9hG4bK67746086;rport From: "430" <sip:430@192.168.10.59>;tag=as34192650 To: <sip:432@10.10.12.88:1024;line=kdpizpq6>;tag=dwsvd8el2x Contact: <sip:430@192.168.10.59> Call-ID: 7b0f73691b286eea690513eb7bb16b51@192.168.10.59 CSeq: 102 ACK User-Agent: Asterisk PBX Max-Forwards: 70 Content-Length: 0
Received from udp:192.168.10.59:1036 at 2/6/2010 01:00:44:322 (493 bytes):
INFO sip:432@10.10.12.88 SIP/2.0 Via: SIP/2.0/UDP 192.168.10.59:1036;branch=z9hG4bK29c9b031;rport From: "430" <sip:430@192.168.10.59>;tag=as34192650 To: <sip:432@10.10.12.88:1024;line=kdpizpq6>;tag=dwsvd8el2x Contact: <sip:info@PBXserver> Call-ID: 7b0f73691b286eea690513eb7bb16b51@192.168.10.59 CSeq: 200 INFO Max-Forwards: 70 User-Agent: snom320/testing_branch_7_3_2009_02_23_13_32_41 Content-Type: message/sipfrag Content-Length: 45
To:
From: "New-ID" <sip:123@192.168.10.59>
Sent to udp:192.168.10.59:1036 at 2/6/2010 01:00:44:430 (354 bytes):
SIP/2.0 200 Ok Via: SIP/2.0/UDP 192.168.10.59:1036;branch=z9hG4bK29c9b031;rport=1036 From: "430" <sip:430@192.168.10.59>;tag=as34192650 To: <sip:432@10.10.12.88:1024;line=kdpizpq6>;tag=dwsvd8el2x Call-ID: 7b0f73691b286eea690513eb7bb16b51@192.168.10.59 CSeq: 200 INFO Contact: <sip:432@10.10.12.88:1024;line=kdpizpq6>;reg-id=1 Content-Length: 0
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