/mcpv=0 o=CiscoSystemsSIP-GW-UserAgent 107 1892 IN IP4 10.0.0.2 s=SIP Call c=IN IP4 10.0.0.2 t=0 0 m=audio 16464 RTP/AVP 0 a=rtpmap:0 PCMU/8000 a=silenceSupp:off - - - - SIP/2.0 100 Trying Via: SIP/2.0/UDP 10.0.0.2:5060;branch=z9hG4bK154F2 From: sip:8131101@10.0.0.2;tag=8D66B94-7BF To: sip:2101@10.0.0.1;tag=DD32900-5D4 Date: Fri, 25 Feb 2011 17:46:16 GMT Call-ID: F12F0BBB-403D11E0-81869D5B-499FBE40@10.0.0.1 CSeq: 101 INVITE Allow-Events: telephone-event Server: Cisco-SIPGateway/IOS-12.x Content-Length: 0 SIP/2.0 200 OK Via: SIP/2.0/UDP 10.0.0.2:5060;branch=z9hG4bK154F2 From: sip:8131101@10.0.0.2;tag=8D66B94-7BF To: sip:2101@10.0.0.1;tag=DD32900-5D4 Date: Fri, 25 Feb 2011 17:46:16 GMT Call-ID: F12F0BBB-403D11E0-81869D5B-499FBE40@10.0.0.1 CSeq: 101 INVITE Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER Allow-Events: telephone-event Remote-Party-ID: sip:2101@10.0.0.1;party=called;screen=no;privacy=off Contact: sip:2101@10.0.0.1:5060 Supported: replaces Supported: sdp-anat Server: Cisco-SIPGateway/IOS-12.x Supported: timer Content-Type: application/sdp Content-Length: 194 v=0 o=CiscoSystemsSIP-GW-UserAgent 4896 2709 IN IP4 10.0.0.1 s=SIP Call c=IN IP4 10.0.0.1 t=0 0 m=audio 19054 RTP/AVP 0 c=IN IP4 10.0.0.1 a=rtpmap:0 PCMU/8000 a=silenceSupp:off - - - - ACK sip:2101@10.0.0.1:5060 SIP/2.0 Via: SIP/2.0/UDP 10.0.0.2:5060;branch=z9hG4bK16A56 From: sip:8131101@10.0.0.2;tag=8D66B94-7BF To: sip:2101@10.0.0.1;tag=DD32900-5D4 Date: Fri, 25 Feb 2011 19:23:25 GMT Call-ID: F12F0BBB-403D11E0-81869D5B-499FBE40@10.0.0.1 Max-Forwards: 70 CSeq: 101 ACK Allow-Events: telephone-event Content-Length: 0 Fax Pass-Through Switchover