send 559 bytes to udp/[147.135.12.128]:5060 at 11:36:51.671054:

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   REGISTER sip:sip.broadvoice.com SIP/2.0

   Via: SIP/2.0/UDP 71.75.114.79;rport;branch=z9hG4bK10ByS4atpUHaB

   Max-Forwards: 70

   From: <sip:7046700027@sip.broadvoice.com>;tag=0m9SDU72DH0KQ

   To: <sip:7046700027@sip.broadvoice.com>

   Call-ID: 475b4102-651f-122a-a69b-00609733d6f0

   CSeq: 82156970 REGISTER

   Contact: <sip:7046700027@71.75.114.79:5060>

   Expires: 60

   User-Agent: FreeSWITCH(mod_sofia)

   Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, PRACK, MESSAGE,

SUBSCRIBE, NOTIFY, REFER, UPDATE, REGISTER, INFO

   Supported: 100rel, precondition, path

   Content-Length: 0

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