1. recv 1074 bytes from udp/[172.26.88.11]:50347 at 16:52:49.271485:
2.    ------------------------------------------------------------------------
3.    SIP/2.0 200 OK
4.    Via: SIP/2.0/UDP 172.26.92.11;rport;branch=z9hG4bKK3QHtpjtX85Za
5.    From: "Ozzy Osbourne" <sip:FreeSWITCH@172.26.88.11>;tag=8DtUrrHyj6v9a
6.    To: <sip:*869996@172.26.88.11>;tag=27775044-D16
7.    Date: Thu, 07 Jul 2016 19:52:48 GMT
8.    Call-ID: 38f4adcd-bf1f-1234-8e92-e41f13647798
9.    CSeq: 93624520 INVITE
10.   Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER
11.    Allow-Events: telephone-event
12.    Remote-Party-ID: "VoiceMail" <sip:69996@172.26.88.11>;party=called;screen=yes;privacy=off
13.    Contact: <sip:*869996@172.26.88.11:5060>
14.    Supported: replaces
15.    Supported: sdp-anat
16.    Server: Cisco-SIPGateway/IOS-15.4.3.M3
17.    Session-Expires:  1800;refresher=uas
18.    Require: timer
19.    Supported: timer
20.    Content-Type: application/sdp
21.    Content-Disposition: session;handling=required
22.    Content-Length: 247
23.    
24.    v=0
25.    o=CiscoSystemsSIP-GW-UserAgent 2515 5070 IN IP4 172.26.88.11
26.    s=SIP Call
27.    c=IN IP4 172.26.88.11
28.    t=0 0
29.    m=audio 23648 RTP/AVP 0 101
30.    c=IN IP4 172.26.88.11
31.    a=rtpmap:0 PCMU/8000
32.    a=rtpmap:101 telephone-event/8000
33.    a=fmtp:101 0-16
34.    a=ptime:20
35.    ------------------------------------------------------------------------
36.