alsoc.gb SIP/2.0 Via: SIP/2.0/UDP 7.9.18.12:60000z9hG4bK1 Max-Forwards: 70 From: J.C. Maxwell <sip:james.maxwell@kings.cambridge.edu.uk> ;tag=5 To: <sip:faraday@effect.org;user=ip>;tag=f6 Call-ID: mNjdwWjkBfWrd@7.9.18.12 CSeq: 55 ACK SIP/2.0 180 Ringing Via: SIP/2.0/UDP 7.9.18.12:60000;branch=z9hg4bk2 From: J.C. Maxwell sip:james.maxwell@kings.cambridge.edu.uk> ;tag=5 To: ksip:faraday@effect.org;user=ip>;tag=6321 Call-ID: mNjdwWjkBfWrd@7.9.18.12 Contact: <sip:+44.555.1212@sip-phone.effect.org> CSeq: 55 INVITE M10 SIP/2.0 180 Please wait while we locate Mr. Faraday Via: SIP/2.0/UDP 7.9.18.12:60000;branch=z9hG4bk3 From: J.C. Maxwell ksip:james.maxwell@kings.cambridge.edu.uk: ;tag=5 To: k<sip:faraday@effect.org;user=ip>;tag=531 Call-ID: mNjdwWjkBfWrd@7.9.18.12 Contact: <sip:faraday@commonroom.club.gby CSeq: 55 INVITE SIP/2.0 200 Mr. Faraday at your service? Via: SIP/2.0/UDP 7.9.18.12:60000;branch=z9hG4bk3 From: J.C. Maxwell <sip:james.maxwell@kings.cambridge.edu.uk> ;tag=5 To: <sip:faraday@effect.org;user=ip>;tag=531 Call-ID: mNjdwWjkBfWrd@7.9.18.12 CSeq: 55 INVITE User-Agent: PDV v4 Call Flow Examples Contact: <sip:faraday@commonroom.club.gb: Content-Type: application/sdp Content-Length: 131 o=max 2890844521 2890844521 IN IP4 6.22.17.89 t=0 0 C=IN IP4 6.22.17.89 m=audio 43782 RTP/AVP 4 a=rtpmap 4 DVI/8000 M12 ACK sip: faraday@commonroom.club.gb;user=ip SIP/2.0 Via: SIP/2.0/UDP 1.9.18.12:60000;branch=z9hG4bk3 Max-Forwards: 70 From: J.C. Maxwell sip:james.maxwell@kings.cambridge.edu.uk> ;tag=5 To: <sip:faraday@effect.org;user=ip>;tag=531 Call-ID: mNjdwWjkBfWrd@7.9.18.12 CSeq: 55 ACK CANCEL sip:+44.555.1212@sip-phone.effect.org;user=phone SIP/2.0 Via: SIP/2.0/UDP 7.9.18.12:60000;branch=z9hG4bk2 <Cancels search Max-Forwards: 70 From: J.C. Maxwell sip:james.maxwell@kings.cambridge.edu.uk> ;tag=5 To: <sip:faraday@effect.org;user=ip>;tag=6321 Call-ID: mNjdwWjkBfWrd@7.9.18.12 CSeq: 55 CANCEL <CSeq not incremented Method set to CANCEL M14 SIP/2.0 200 OK =CANCEL acknowledged Via: SIP/2.0/UDP 7.9.18.12:60000;branch=z9hG4bk2 F