send 548 bytes to udp/[10.0.14.3]:5060 at 16:16:49.023841:
   ------------------------------------------------------------------------
   REGISTER sip:10.0.14.3;transport=udp SIP/2.0
   Via: SIP/2.0/UDP 10.0.14.3:5068;rport;branch=z9hG4bKF7jrB9FjjpZvr
   Max-Forwards: 70
   From: <sip:910700@10.0.14.3>;tag=jZeNHNc55cScj
   To: <sip:910700@10.0.14.3>
   Call-ID: 30dfd579-1a93-4ceb-8d33-ba2441f4de6b
   CSeq: 84848440 REGISTER
   Contact: <sip:gw+910700@10.0.14.3:5068;transport=udp;gw=910700>
   Expires: 60
   User-Agent: FreeSWITCH-mod_sofia/1.7.0~64bit
   Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY
   Supported: timer, path, replaces
   Content-Length: 0

   ------------------------------------------------------------------------
recv 473 bytes from udp/[10.0.14.3]:5060 at 16:16:49.124836:
   ------------------------------------------------------------------------
   SIP/2.0 407 Proxy Authentication Required
   Via: SIP/2.0/UDP 10.0.14.3:5068;rport=5068;branch=z9hG4bKF7jrB9FjjpZvr
   Proxy-Authenticate: Digest nonce="414d535c0c8370f125:d6dd0809bb5bdb9e54a5441dc60d704b",algorithm=MD5,realm="3CXPhoneS
ystem"
   To: <sip:910700@10.0.14.3>;tag=bd69452b
   From: <sip:910700@10.0.14.3>;tag=jZeNHNc55cScj
   Call-ID: 30dfd579-1a93-4ceb-8d33-ba2441f4de6b
   CSeq: 84848440 REGISTER
   User-Agent: 3CXPhoneSystem 14.0.45826.228 (45008)
   Content-Length: 0

   ------------------------------------------------------------------------
send 775 bytes to udp/[10.0.14.3]:5060 at 16:16:49.125794:
   ------------------------------------------------------------------------
   REGISTER sip:10.0.14.3;transport=udp SIP/2.0
   Via: SIP/2.0/UDP 10.0.14.3:5068;rport;branch=z9hG4bKggcHD40NFZNFm
   Max-Forwards: 70
   From: <sip:910700@10.0.14.3>;tag=jZeNHNc55cScj
   To: <sip:910700@10.0.14.3>
   Call-ID: 30dfd579-1a93-4ceb-8d33-ba2441f4de6b
   CSeq: 84848441 REGISTER
   Contact: <sip:gw+910700@10.0.14.3:5068;transport=udp;gw=910700>
   Expires: 60
   User-Agent: FreeSWITCH-mod_sofia/1.7.0~64bit
   Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY
   Supported: timer, path, replaces
   Proxy-Authorization: Digest username="910700", realm="3CXPhoneSystem", nonce="414d535c0c8370f125:d6dd0809bb5bdb9e54a5
441dc60d704b", algorithm=MD5, uri="sip:10.0.14.3;transport=udp", response="4e45f137461e4d31965c0c5eed7c85a9"
   Content-Length: 0

   ------------------------------------------------------------------------
recv 332 bytes from udp/[10.0.14.3]:5060 at 16:16:49.225798:
   ------------------------------------------------------------------------
   SIP/2.0 404 User unknown.
   Via: SIP/2.0/UDP 10.0.14.3:5068;rport=5068;branch=z9hG4bKggcHD40NFZNFm
   To: <sip:910700@10.0.14.3>;tag=c511f032
   From: <sip:910700@10.0.14.3>;tag=jZeNHNc55cScj
   Call-ID: 30dfd579-1a93-4ceb-8d33-ba2441f4de6b
   CSeq: 84848441 REGISTER
   User-Agent: 3CXPhoneSystem 14.0.45826.228 (45008)
   Content-Length: 0

   ------------------------------------------------------------------------