recv 1258 bytes from udp/[190.210.133.212]:5060 at 13:36:06.456076:
   ------------------------------------------------------------------------
   SIP/2.0 200 OK
   Via: SIP/2.0/UDP 201.216.208.162;received=201.216.208.162;branch=z9hG4bK4B2Q8eUKKt0Kj;rport=5060
   From: "Gui" <sip:ninguno@190.210.133.212>;tag=rZ19NUaXQDSja
   To: <sip:1511885#5401128229001@190.210.133.212>;tag=SDtdgl299-BC304F08-B7A
   Call-ID: a191e161-98ae-1235-02be-001b2185f936
   CSeq: 105585018 INVITE
   Date: Mon, 10 Apr 2017 16:36:24 GMT
   Server: Cisco-SIPGateway/IOS-12.x
   Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REGISTER
   Supported: 
   Allow-Events: telephone-event
   Contact: <sip:1511885#5401128229001@190.210.133.212:5060;transport=udp>
   MIME-Version: 1.0
   Content-Type: multipart/mixed;boundary=uniqueBoundary
   Content-Length: 543
   User-Agent: Iplan ProxySIP (1.4.2-notls (i386/linux))
   
   --uniqueBoundary
   Content-Type: application/sdp
   
   v=0
   o=CiscoSystemsSIP-GW-UserAgent 2483 9733 IN IP4 190.210.133.212
   s=SIP Call
   c=IN IP4 190.210.133.212
   t=0 0
   m=audio 32482 RTP/AVP 0 101
   c=IN IP4 190.210.133.212
   a=rtpmap:0 PCMU/8000
   a=rtpmap:101 telephone-event/8000
   a=fmtp:101 0-16
   a=ptime:20
   
   --uniqueBoundary
   Content-Type: application/gtd
   Content-Disposition: signal;handling=optional
   
   ANM,
   ATP,1e028182
   BCI,u,f,u,n,n,n,y,n,y,y,u
   CIC,0000000581
   CNN,04,1,y,4,1128229000
   PRN,q761*,AR*,oper2,1993
   
   --uniqueBoundary--
   ------------------------------------------------------------------------