From: Alice <sip:alice@atlanta.example.com>;tag=9fxced76sl
To: Bob <sip:bob@biloxi.example.com>;tag=8321234356
Call-ID: 3848276298220188511@atlanta.example.com
CSeq: 1 ACK
Content-Length: 0
/* RTP streams are established between Alice and Bob */
/* Bob Hangs Up with Alice. Note that the CSeq is NOT 2, since
Alice and Bob maintain their own independent CSeq counts.
(The INVITE was request 1 generated ...
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