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@davehorton
Created May 22, 2020 12:00
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ms teams: sending and receiving OPTIONS pings
*** sending OPTIONS pings
2020-05-22 11:55:36.391560 send 382 bytes to tls/[52.114.75.24]:5061 at 11:55:36.391362:
OPTIONS sip:sip.pstnhub.microsoft.com SIP/2.0
Via: SIP/2.0/TLS 15.216.66.78;branch=z9hG4bKFraec3SSeHamQ
Max-Forwards: 70
From: <sip:customers.adatum.biz:5061;transport=tls>;tag=gcQ8FQ9gQZHSD
To: <sip:sip.pstnhub.microsoft.com>
Call-ID: fd5c93eb-16c5-1239-ae93-061513c9979a
CSeq: 20520476 OPTIONS
Contact: <sip:customers.adatum.biz:5061;transport=tls>
Content-Length: 0
2020-05-22 11:55:36.404283 recv 380 bytes from tls/[52.114.75.24]:5061 at 11:55:36.404164:
SIP/2.0 200 OK
FROM: <sip:customers.adatum.biz:5061;transport=tls>;tag=gcQ8FQ9gQZHSD
TO: <sip:sip.pstnhub.microsoft.com>
CSEQ: 20520476 OPTIONS
CALL-ID: fd5c93eb-16c5-1239-ae93-061513c9979a
VIA: SIP/2.0/TLS 15.216.66.78;branch=z9hG4bKFraec3SSeHamQ
CONTENT-LENGTH: 0
ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
SERVER: Microsoft.PSTNHub.SIPProxy v.2020.5.13.3 i.EUWE.6
** receiving OPTIONS pings
2020-05-22 11:55:36.422085 recv 532 bytes from tls/[52.114.75.24]:7232 at 11:55:36.421951:
OPTIONS sip:customers.adatum.biz:5061;transport=tls SIP/2.0
FROM: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061>;tag=18d51ae0-454b-473c-85fe-5c8d307e3e9b
TO: <sip:customers.adatum.biz:5061;transport=tls>
CSEQ: 1 OPTIONS
CALL-ID: c03d2e3a-89d8-4d07-bce7-818a310c56b0
MAX-FORWARDS: 70
VIA: SIP/2.0/TLS 52.114.75.24:5061;branch=z9hG4bK4c8ae51e
CONTACT: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061>
CONTENT-LENGTH: 0
USER-AGENT: Microsoft.PSTNHub.SIPProxy v.2020.5.13.3 i.EUWE.6
ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
2020-05-22 11:55:36.423727 send 334 bytes to tls/[52.114.75.24]:7232 at 11:55:36.423566:
SIP/2.0 200 OK
Via: SIP/2.0/TLS 52.114.75.24:5061;branch=z9hG4bK4c8ae51e;rport=7232
From: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061>;tag=18d51ae0-454b-473c-85fe-5c8d307e3e9b
To: <sip:customers.adatum.biz:5061;transport=tls>;tag=K72jN8UUetmHg
Call-ID: c03d2e3a-89d8-4d07-bce7-818a310c56b0
CSeq: 1 OPTIONS
Content-Length: 0
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