RFC 3665 Basic Call Flow Examples

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1 RFC 3665 Basic Call Flow Examples Alice's SIP Bob's SIP 3.8 Unsuccessful No Answer INVITE CANCEL ACK 100 Trying 180 Ringing 200 OK 487 Request Terminated INVITE CANCEL ACK 100 Trying 180 Ringing 200 OK 487 Request Terminated INVITE CANCEL ACK 180 Ringing 200 OK 487 Request Terminated V1.2 January 20, 2006 This is a representation, as a slide show, of the SIP examples detailed in RFC 3665 SIP: Basic Call Flow Examples. SIP messages are reported in strict conformance with this RFC. 16 pages

2 RFC Unsuccessful No Answer (1) F1 INVITE SIP/2.0 Max-Forwards: 70 Route: <sip:ss1.atlanta.example.com;lr> Contact: Proxy-Authorization: Digest username="alice", realm="atlanta.example.com", nonce="ze7k1ee88df84f1cec431ae6cbe5a359", opaque="", response="b00b d7e243f55708d44be7b" Content-Type: application/sdp Content-Length: 151 v=0 o=alice IN IP4 client.atlanta.example.com s=c=in IP t=0 0 m=audio RTP/AVP 0 a=rtpmap:0 PCMU/8000

3 RFC Unsuccessful No Answer (2) F2 INVITE SIP/2.0 Max-Forwards: 69 Record-Route: <sip:ss1.atlanta.example.com;lr> Contact: Content-Type: application/sdp Content-Length: 151 F3 SIP/ Trying v=0 o=alice IN IP4 client.atlanta.example.com s=c=in IP t=0 0 m=audio RTP/AVP 0 a=rtpmap:0 PCMU/8000

4 RFC Unsuccessful No Answer (3) F5 SIP/ Trying ;received= F4 v=0 o=alice IN IP4 client.atlanta.example.com s=c=in IP t=0 0 m=audio RTP/AVP 0 a=rtpmap:0 PCMU/8000 INVITE sip:bob@client.biloxi.example.com SIP/2.0 Via: SIP/2.0/UDP ss2.biloxi.example.com:5060 ;branch=z9hg4bk721e4.1 ;received= Record-Route: <sip:ss2.biloxi.example.com;lr>, <sip:ss1.atlanta.example.com;lr> Max-Forwards: 68 Contact: <sip:alice@client.atlanta.example.com> Content-Type: application/sdp Content-Length: 151

5 RFC Unsuccessful No Answer (4) F6 SIP/ Ringing Via: SIP/2.0/UDP ss2.biloxi.example.com:5060 ;branch=z9hg4bk721e4.1 ;received= ;received= Record-Route: <sip:ss2.biloxi.example.com;lr>, <sip:ss1.atlanta.example.com;lr> ;tag= Contact:

6 RFC Unsuccessful No Answer (5) F7 SIP/ Ringing ;received= Record-Route: <sip:ss2.biloxi.example.com;lr>, <sip:ss1.atlanta.example.com;lr> ;tag= Contact:

7 RFC Unsuccessful No Answer (6) F8 SIP/ Ringing Record-Route: <sip:ss2.biloxi.example.com;lr>, <sip:ss1.atlanta.example.com;lr> ;tag= Contact:

8 RFC Unsuccessful No Answer (7) F9 CANCEL SIP/2.0 Max-Forwards: 70 Route: <sip:ss1.atlanta.example.com;lr> CSeq: 1 CANCEL

9 RFC Unsuccessful No Answer (8) F11 CANCEL SIP/2.0 Max-Forwards: 70 CSeq: 1 CANCEL F10 SIP/ OK CSeq: 1 CANCEL

10 RFC Unsuccessful No Answer (9) F12 SIP/ OK ;received= CSeq: 1 CANCEL F13 CANCEL sip:bob@client.biloxi.example.com SIP/2.0 Via: SIP/2.0/UDP ss2.biloxi.example.com:5060 ;branch=z9hg4bk721e4.1 Max-Forwards: 70 CSeq: 1 CANCEL

11 RFC Unsuccessful No Answer (10) F14 SIP/ OK Via: SIP/2.0/UDP ss2.biloxi.example.com:5060 ;branch=z9hg4bk721e4.1 ;received= CSeq: 1 CANCEL

12 RFC Unsuccessful No Answer (11) F15 SIP/ Request Terminated Via: SIP/2.0/UDP ss2.biloxi.example.com:5060 ;branch=z9hg4bk721e4.1 ;received= ;received= ;tag=314159

13 RFC Unsuccessful No Answer (12) F17 SIP/ Request Terminated ;received= ;tag= F16 ACK SIP/2.0 Via: SIP/2.0/UDP ss2.biloxi.example.com:5060 ;branch=z9hg4bk721e4.1 Max-Forwards: 70 ;tag= CSeq: 1 ACK

14 RFC Unsuccessful No Answer (13) F18 F19 ACK SIP/2.0 Via: SIP/2.0/UDP ss2.biloxi.example.com:5060 ;branch=z9hg4bk721e4.1 Max-Forwards: 70 ;tag= CSeq: 1 ACK SIP/ Request Terminated ;tag=314159

15 RFC Unsuccessful No Answer (14) F20 ACK SIP/2.0 Max-Forwards: 70 ;tag= Proxy-Authorization: Digest username="alice", realm="atlanta.example.com", nonce="ze7k1ee88df84f1cec431ae6cbe5a359", opaque="", response="b00b d7e243f55708d44be7b" CSeq: 1 ACK

16 RFC Unsuccessful No Answer (end)

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