Frame 12 (902 bytes on wire, 902 bytes captured)
Internet Protocol, Src Addr: ac104.engdomain.com (10.250.250.104), Dst Addr: 10.250.250.201 (10.250.250.201)
User Datagram Protocol, Src Port: 5060 (5060), Dst Port: 5065 (5065)
Session Initiation Protocol
    Status line: SIP/2.0 200 OK
        Status-Code: 200
    Message Header
        Via: SIP/2.0/UDP 10.250.250.201:5065;branch=6bf7878a48254d837f46312fdfe470d5.4
        Via: SIP/2.0/UDP 10.250.250.201:5060;branch=251f33139bd95c4aa1511b886ff9126e.2
        Via: SIP/2.0/UDP 10.250.250.101:5060
        From: <sip:1017@vocal2.engdomain.com>;tag=2c18069
        To: <sip:5550101@vocal2.engdomain.com>;tag=25836
        Call-ID: call-1042670570-91@10.250.250.101
        CSeq: 1 INVITE
        Allow: REGISTER, OPTIONS, INVITE, ACK, CANCEL, BYE
        Contact: 201 <sip:95550101@10.250.250.104;user=phone>
        Record-Route: <sip:95550101@10.250.250.201:5065;maddr=10.250.250.201>,<sip:5550101@10.250.250.201:5060;maddr=10.250.250.201>
        Content-Type: application/sdp
        Content-Length: 196
Session Description Protocol
    Session Description Protocol Version (v): 0
    Owner/Creator, Session Id (o): AudioCodes 1234 5678 IN IP4 10.250.250.104
        Owner Username: AudioCodes
        Session ID: 1234
        Session Version: 5678
        Owner Network Type: IN
        Owner Address Type: IP4
        Owner Address: 10.250.250.104
    Session Name (s): phone-call
    Connection Information (c): IN IP4 10.250.250.104
        Connection Network Type: IN
        Connection Address Type: IP4
        Connection Address: 10.250.250.104
    Time Description, active time (t): 0 0
        Session Start Time: 0
        Session Start Time: 0
    Media Description, name and address (m): audio 6000 RTP/AVP 0 96
        Media Type: audio
        Media Port: 6000
        Media Proto: RTP/AVP
        Media Format: 0
        Media Format: 96
    Media Attribute (a): rtpmap:0 pcmu/8000
        Media Attribute Fieldname: rtpmap
        Media Attribute Value: 0 pcmu/8000
    Media Attribute (a): rtpmap:96 telephone-event/8000
        Media Attribute Fieldname: rtpmap
        Media Attribute Value: 96 telephone-event/8000
    Media Attribute (a): fmtp:96 0-15
        Media Attribute Fieldname: fmtp
        Media Attribute Value: 96 0-15