Bob’s response to Alice’s INVITE

Bob’s response to Alice’s INVITE^†

SIP/2.0 200 OK
Via: SIP/2.0/UDP pc33.atlanta.com:5060;branch=z9hG4bK776asdhds
Via: SIP/2.0/UDP bigbox3.site3.atlanta.com:5060;branch=z9hG4bK77ef4c2312983.1
Via: SIP/2.0/UDP pc33.atlanta.com:5060;branch=z9hG4bKnashds8
To: Bob <sip:bob@biloxi.com>;tag=a6c85cf
From: Alice <sip:alice@atlanta.com>;tag=1928301774
Call-ID: a84b4c76e66710
CSeq: 314159 INVITE
Contact: <sip:bob@192.0.2.8>
Content-Type: application/sdp
Content-Length: 131
(Bob’s SDP not shown}

^† Example adapted from draft-ietf-sip-rfc2543bis-06.ps

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Transcript

[slide128] Bob's response, SIP/2.0, the 200, OK, a bunch of via pointers, To Bob, From Alice, blah blah, and then Bob's SDP.