polycom

<--- Transmitting SIP response (556 bytes) to UDP:99.9.9.9:1745 --->
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.1.108;rport=1745;received=99.9.9.9;branch=z9hG4bK5f52173cCFDCDFED
Call-ID: 244270d9-d17ff8c6-836559af@192.168.1.108
From: "Test3" <sip:demo.814@my.server.com>;tag=9EB3C9FD-196211A
To: <sip:demo.814@my.server.com>;tag=z9hG4bK5f52173cCFDCDFED
CSeq: 6 REGISTER
Date: Wed, 20 Nov 2019 20:01:04 GMT
Contact: <sip:demo.814@33.3.3.3:62398;rinstance=d280c92d8ed2e78e>;expires=582
Contact: <sip:demo.814@99.9.9.9:1745>;expires=59
Expires: 60
Server: Asterisk PBX 16.6.1
Content-Length:  0