Session Initiation Protocol
    Request-Line: INVITE sip:16784127829@209.100.200.14:5060 SIP/2.0
        Method: INVITE
        [Resent Packet: False]
    Message Header
        Via: SIP/2.0/UDP 192.168.1.225:5070;branch=z9hG4bK5
        From: 7605268139\r <sip:7605268139
        @192.168.1.225:5070>;tag=5
        To: 16784127829 <sip:16784127829@209.100.200.14:5060>
        Call-ID: 5-2148@192.168.1.225
        CSeq: 5 INVITE
        Contact: sip:7605268139
        @192.168.1.225:5070
        Max-Forwards: 70
        Subject: Performance Test
        Content-Type: application/sdp
        Content-Length: 137
    Message body