1 2 3 4 5 6 7 8 9 10 INVITES sip:nm SIP/2.0 Via: SIP/2.0/TCP nm;branch=foo From: <sip:nm@nm>;tag=root To: <sip:nm2@nm2> Call-ID: 50000 CSeq: 42 OPTIONS Max-Forwards: 70 Content-Length: 0 Contact: <sip:nm@nm> Accept: application/sdp
1 2 3 4 5 6 7 8 9 10
INVITES sip:nm SIP/2.0 Via: SIP/2.0/TCP nm;branch=foo From: <sip:nm@nm>;tag=root To: <sip:nm2@nm2> Call-ID: 50000 CSeq: 42 OPTIONS Max-Forwards: 70 Content-Length: 0 Contact: <sip:nm@nm> Accept: application/sdp
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