Frame 3 (1106 bytes on wire, 1106 bytes captured)
Internet Protocol, Src Addr: 10.250.250.201 (10.250.250.201), Dst Addr: 10.250.250.201 (10.250.250.201)
User Datagram Protocol, Src Port: 5060 (5060), Dst Port: 5070 (5070)
Session Initiation Protocol
    Request line: INVITE sip:5550101@vocal2.engdomain.com SIP/2.0
        Method: INVITE
    Message Header
        Via: SIP/2.0/UDP 10.250.250.201:5060;branch=251f33139bd95c4aa1511b886ff9126e.1
        Via: SIP/2.0/UDP 10.250.250.101:5060
        To: <sip:5550101@vocal2.engdomain.com>
        From: <sip:1017@vocal2.engdomain.com>;tag=2c18069
        Date: Wed, 15 Jan 2003 22:42:50 GMT
        Call-ID: call-1042670570-91@10.250.250.101
        CSeq: 1 INVITE
        Proxy-Authorization: Basic VovidaClassXSwitch
        Max-Forwards: 69
        Record-Route: <sip:5550101@10.250.250.201:5060;maddr=10.250.250.201>
        Contact: <sip:1017@10.250.250.101>
        Accept-Language: en
        Allow: INVITE,ACK,CANCEL,BYE,REFER,OPTIONS,NOTIFY,REGISTER,SUBSCRIBE
        Supported: sip-cc,sip-cc-01,timer,replaces
        User-Agent: Pingtel/2.1.3 (VxWorks)
        Content-Type: application/sdp
        Content-Length: 310
Session Description Protocol
    Session Description Protocol Version (v): 0
    Owner/Creator, Session Id (o): Pingtel 5 5 IN IP4 10.250.250.101
        Owner Username: Pingtel
        Session ID: 5
        Session Version: 5
        Owner Network Type: IN
        Owner Address Type: IP4
        Owner Address: 10.250.250.101
    Session Name (s): phone-call
    Connection Information (c): IN IP4 10.250.250.101
        Connection Network Type: IN
        Connection Address Type: IP4
        Connection Address: 10.250.250.101
    Time Description, active time (t): 0 0
        Session Start Time: 0
        Session Start Time: 0
    Media Description, name and address (m): audio 8768 RTP/AVP 96 97 0 8 18 98
        Media Type: audio
        Media Port: 8768
        Media Proto: RTP/AVP
        Media Format: 96
        Media Format: 97
        Media Format: 0
        Media Format: 8
        Media Format: 18
        Media Format: 98
    Media Attribute (a): rtpmap:96 eg711u/8000/1
        Media Attribute Fieldname: rtpmap
        Media Attribute Value: 96 eg711u/8000/1
    Media Attribute (a): rtpmap:97 eg711a/8000/1
        Media Attribute Fieldname: rtpmap
        Media Attribute Value: 97 eg711a/8000/1
    Media Attribute (a): rtpmap:0 pcmu/8000/1
        Media Attribute Fieldname: rtpmap
        Media Attribute Value: 0 pcmu/8000/1
    Media Attribute (a): rtpmap:8 pcma/8000/1
        Media Attribute Fieldname: rtpmap
        Media Attribute Value: 8 pcma/8000/1
    Media Attribute (a): rtpmap:18 g729/8000/1
        Media Attribute Fieldname: rtpmap
        Media Attribute Value: 18 g729/8000/1
    Media Attribute (a): fmtp:18 annexb=no
        Media Attribute Fieldname: fmtp
        Media Attribute Value: 18 annexb=no
    Media Attribute (a): rtpmap:98 telephone-event/8000/1
        Media Attribute Fieldname: rtpmap
        Media Attribute Value: 98 telephone-event/8000/1