Session Initiation Protocol
    Request-Line: INVITE sip:service@10.0.1.41:5060 SIP/2.0
        Method: INVITE
        Resent Packet: False
    Message Header
        Via: SIP/2.0/TCP bronxville1:5060;branch=z9hG4bK-1-0
        From: sipp <sip:sipp@bronxville1:5060>;tag=1
            SIP from address: sipp <sip:sipp@bronxville1:5060>
            SIP tag: 1
        To: sut <sip:service@10.0.1.41:5060>
        Call-ID: 1-27019@bronxville1
        CSeq: 1 INVITE
        Contact: sip:sipp@bronxville1:5060
        Max-Forwards: 70
        Subject: Performance Test
        Content-Type: application/sdp
        Content-Length:  132
    Message body