IP 10.1.0.3.5060 > 10.1.0.111.5060: SIP, length: 592 E..l....@.p# .. .o.....X..OPTIONS sip:111@10.1.0.111:5060;transport=udp SIP/2.0 Via: SIP/2.0/UDP 10.1.0.3:5060;branch=z9hG4bK276d50c3;rport Max-Forwards: 70 From: "asterisk" ;tag=as7e156001 To: Contact: Call-ID: 07d95a2a12b438373c441a227877202f@10.1.0.3:5060 CSeq: 102 OPTIONS User-Agent: Asterisk PBX 11.7.0-rc1 Date: Wed, 13 Nov 2013 05:16:33 GMT Session-Expires: 7200 Min-SE: 90 Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 IP 10.1.0.111.5060 > 10.1.0.3.5060: SIP, length: 909 E`......@..w .o ..........SIP/2.0 200 OK Via: SIP/2.0/UDP 10.1.0.3:5060;branch=z9hG4bK276d50c3;rport From: "asterisk" ;tag=as7e156001 To: ;tag=0013c401da4a2525291558f9-6a2c8580 Call-ID: 07d95a2a12b438373c441a227877202f@10.1.0.3:5060 Date: Wed, 13 Nov 2013 05:22:18 GMT CSeq: 102 OPTIONS Server: Cisco-CP7940G/8.0 Allow: ACK,BYE,CANCEL,INVITE,NOTIFY,OPTIONS,REFER,REGISTER,UPDATE Accept: application/sdp,multipart/mixed,multipart/alternative Accept-Encoding: identity Accept-Language: en Supported: replaces,join,norefersub Content-Length: 235 Content-Type: application/sdp Content-Disposition: session;handling=optional v=0 o=Cisco-SIPUA 27539 0 IN IP4 10.1.0.111 s=SIP Call t=0 0 m=audio 0 RTP/AVP 0 8 18 101 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 a=rtpmap:18 G729/8000 a=fmtp:18 annexb=no a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15