sip38 215 Bytes Edit Raw Blame History Permalink 1 2 3 4 5 6 7 8 INVITE sip:bob@example.com SIP/2.0 Via: SIP/2.0/UDP h.caller.com From: <sip:charlie@caller.com>;tag=5 To: sip:alice@wonderland.com Call-ID: 27182@caller.com CSeq: 2 INVITE Contact: sip:charlie@h.caller.com