Session Initiation Protocol
    Request-Line: ACK sip:5194880050@74.100.134.250 SIP/2.0
        Method: ACK
        [Resent Packet: False]
    Message Header
        Record-Route: <sip:64.251.19.190;lr;ftag=as05878116>
        Via: SIP/2.0/UDP 64.251.19.190;branch=z9hG4bK3777.df344f22.2
            Transport: UDP
            Sent-by Address: 64.251.19.190
            Branch: z9hG4bK3777.df344f22.2
        Via: SIP/2.0/UDP 64.251.19.147:5060;branch=z9hG4bK4d983f95;rport=5060
            Transport: UDP
            Sent-by Address: 64.251.19.147
            Sent-by port: 5060
            Branch: z9hG4bK4d983f95
            RPort: 5060
        From: "5195915119" <sip:5195915119@64.251.19.147>;tag=as05878116
            SIP Display info: "5195915119"
            SIP from address: sip:5195915119@64.251.19.147
            SIP tag: as05878116
        To: <sip:lmadsen5#lmentinc@switch1-mia.mixnetworks.net>;tag=as655efa03
            SIP to address: sip:lmadsen5#lmentinc@switch1-mia.mixnetworks.net
            SIP tag: as655efa03
        Contact: <sip:5195915119@64.251.19.147>
            Contact Binding: <sip:5195915119@64.251.19.147>
                URI: <sip:5195915119@64.251.19.147>
                    SIP contact address: sip:5195915119@64.251.19.147
        Call-ID: 41fea1034ee3dc9510563adf32af6a99@64.251.19.147
        CSeq: 102 ACK
            Sequence Number: 102
            Method: ACK
        User-Agent: MixNetworks SWITCH-MIA08
        Max-Forwards: 69
        Remote-Party-ID: "5195915119" <sip:5195915119@64.251.19.147>;privacy=off;screen=no
        Content-Length: 0
        P-hint: rr-enforced