/mcpDate: 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 After the voice call is set up, the TGW sends a H245 RequestMode to the OGW through CUBE. If the switchover is successful, the OGW responds with a RequestModeAck. T.38 Switchover INVITE sip:2101@10.0.0.1:5060 SIP/2.0 Via: SIP/2.0/UDP 10.0.0.2:5060;branch=z9hG4bK154F2 Remote-Party-ID: sip:1101@10.0.0.2;party=calling;screen=no;privacy=off 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 Supported: 100rel,timer,resource-priority,replaces,sdp-anat Min-SE: 1800 Cisco-Guid: 3990792353-1077744096-2172755291-1235205696 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: 1298661805 Contact: sip:8131101@10.0.0.2:5060 Expires: 180 Allow-Events: telephone-event Content-Type: application/sdp Content-Length: 174