option request log

<--- Transmitting SIP request (462 bytes) to UDP:54.172.60.3:5060 --->
OPTIONS sip:asteriskpjsip.pstn.us1.twilio.com:5060 SIP/2.0
Via: SIP/2.0/UDP 192.168.101.99:5066;rport;branch=z9hG4bKPj6280c4e9-e1e3-4231-9690-757d3902a9d3
From: <sip:twilio@192.168.101.99>;tag=7d6268d8-ac8c-44e4-aa9c-83a30558c19c
To: <sip:asteriskpjsip.pstn.us1.twilio.com>
Contact: <sip:twilio@192.168.101.99:5066>
Call-ID: 70d477f6-c823-4293-8b95-91deff2c7030
CSeq: 48289 OPTIONS
Max-Forwards: 70
User-Agent: Asterisk PBX 16.1.0
Content-Length:  0


<--- Received SIP response (417 bytes) from UDP:54.172.60.3:5060 --->
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.101.99:5066;received=217.15.39.46;rport=35921;branch=z9hG4bKPj6280c4e9-e1e3-4231-9690-757d3902a9d3
From: <sip:twilio@192.168.101.99>;tag=7d6268d8-ac8c-44e4-aa9c-83a30558c19c
To: <sip:asteriskpjsip.pstn.us1.twilio.com>;tag=51026399c684defae5dc2ecd5fc38069.b474
Call-ID: 70d477f6-c823-4293-8b95-91deff2c7030
CSeq: 48289 OPTIONS
Server: Twilio Gateway
Content-Length: 0