soc.org> Subject: RE: Software User-Agent: Difference Engine 1 Content-Type: application/sdp Content-Length: 137 o=Babbage 2890844534 2890844534 IN IP4 12.26.17.91 Call Flow Examples C=IN IP4 12.26.17.91 m=audio 49170 RTP/AVP 0 a=rtpmap: 0 PCMU/8000 SIP/2.0 100 Trying <Not Forwarded Via:SIP/2.0/UDP 15.16.17.18:5060;branch=z9hG4bk3f31049.1 Via: SIP/2.0/UDP 12.26.17.91:5060;branch=z9hG4bK221 From: Charles Babbage <sip:babbage@analyticalsoc.org>;tag=9382 To: sip:ada@language.org Call-ID: E6-32-9a-34-91-e7@analyticalsoc.org CSeq: 2 INVITE M10 Location Service Query: ada? M11 Location Service Response: 1.2.3.4 INVITE sip:ada@1.2.3.4 SIP/2.0 Via: SIP/2.0/UDP 10.14.92.1:5060;branch=z9hG4bK24105.1 Via: SIP/2.0/UDP 15.16.17.18:5060;branch=z9hG4bk3f31049.1 Via: SIP/2.0/UDP 12.26.17.91:5060;branch=z9hG4bK221 Max-Forwards: 68 From: Charles Babbage sip:babbage@analyticalsoc.org>;tag=9382 To: sip:ada@language.org Call-ID: 6-32-9a-34-91-e7@analyticalsoc.org CSeq: 2 INVITE Contact: :<sip:babbage@client.analyticalsoc.org> Subject: RE: Software User-Agent: Difference Engine 1 Record-Route: <sip:10.14.92.1;lr> =Record-route added by proxy Content-Type: application/sdp Content-Length: 137 o=Babbage 2890844534 2890844534 IN IP4 12.26.17.91 t=0 0 C=IN IP4 12.26.17.91 m=audio 49170 RTP/AVP 0 a=rtpmap: PCMU/8000 M13 SIP/2.0 180 Ringing Via: SIP/2.0/UDP 0.14.92.1:5060;branch=z9hG4bK24105.1 Via: SIP/2.0/UDP 15.16.17.18:5060;branch=z9hG4bk3f31049.1 Via: SIP/2.0/UDP 2.26.17.91:5060;branch=z9hG4bk221 From: Charles Babbage <sip:babbage@analyticalsoc.org>;tag=9382 To: <sip:ada@language.org>;tag=65a3547e3 <Tag added by Call-ID: f6-32-9a-34-91-e7@analyticalsoc.org called party CSeq: 2 INVITE Contact: sip:ada@drawingroom.language.org SIP: Understanding the Session Initiation Protocol Record-Route: <sip:10.14.92.1;lr> SIP/2.0 180 Ringing Via: SIP/2.0/UDP 15.16.17.18:5060;branch=z9hG4bk3f31049.1 Via: SIP/2.0/UDP 12.26.17.91:5060;branch=z9hG4bK221 From: Charles Babbage sip:babbage@analyticalsoc.org>;tag=9382 To: ksip:ada@language.org>;tag=65a3547e3 