send 1003 bytes to udp/[107.6.67.238]:5060 at 17:57:16.583765:
   ------------------------------------------------------------------------
   SIP/2.0 200 OK
   Via: SIP/2.0/UDP 107.6.67.238:5060;branch=z9hG4bK274c6c11;rport=5060
   From: "PSNTECH 8458378427" <sip:8458378427@107.6.67.238>;tag=as557b12dd
   To: <sip:8452131229@52.205.225.132:5080>;tag=UN4H2r7U8ryBQ
   Call-ID: 79ec339122e3b1ef795337dc01393215@107.6.67.238:5060
   CSeq: 102 INVITE
   Contact: <sip:8452131229@172.31.60.221:5080;transport=udp>
   User-Agent: FreeSWITCH-mod_sofia/1.7.0~64bit
   Accept: application/sdp
   Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY
   Supported: timer, path, replaces
   Allow-Events: talk, hold, conference, refer
   Content-Type: application/sdp
   Content-Disposition: session
   Content-Length: 222
   Remote-Party-ID: "8452131229" <sip:8452131229@52.205.225.132>;party=calling;privacy=off;screen=no


   v=0
   o=FreeSWITCH 1480411740 1480411741 IN IP4 172.31.60.221
   s=FreeSWITCH
   c=IN IP4 172.31.60.221
   t=0 0
   m=audio 30496 RTP/AVP 0 101
   a=rtpmap:0 PCMU/8000
   a=rtpmap:101 telephone-event/8000
   a=fmtp:101 0-16
   a=ptime:20
   ------------------------------------------------------------------------