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Sip trunk to MS TEAMS

Hi

Looking for some assistance setting up a trunk to MS Teams. config is based on the below doc but i still have issues as per details below.

SIP Signaling and Media Security in AOS file:/C:/Users/egarland/Downloads/SIP%20Signaling%20and%20Media%20Security.pdf

09:11:03.880 TLS.SIP NEGOTIATION Received certificate: verification decision(FAIL[0->unable to get local issuer certificate])

09:11:03.883 TLS.SIP NEGOTIATION details:

09:11:03.883 TLS.SIP NEGOTIATION : issuer  : C=IE, O=Baltimore, OU=CyberTrust, CN=Baltimore CyberTrust Root

09:11:03.883 TLS.SIP NEGOTIATION : subject : C=US, ST=Washington, L=Redmond, O=Microsoft Corporation, OU=Microsoft IT, CN=Microsoft IT TLS CA 4

09:11:03.885 TLS.SIP NEGOTIATION Client(192.168.200.200:23497) <=> (52.114.76.76:5061)| transportConnectionTlsStateChanged: tlsConnectionState_HandshakeFailed

09:11:03.886 TLS.SIP NEGOTIATION Client(192.168.200.200:23497) <=> (52.114.76.76:5061)| transportConnectionTlsStateChanged: tlsConnectionState_TlsTerminated

09:11:03.886 TLS.SIP NEGOTIATION Client(192.168.200.200:23497) <=> (52.114.76.76:5061)| transportConnectionTlsStateChanged: Connection cleanup: removing connection information from the cache

09:11:11.896 TLS.SIP NEGOTIATION Unable to find TLS engine from SIP Proxy for remote 52.114.76.76:5061 -> trying TAS

09:11:11.898 TLS.SIP NEGOTIATION Successfully found TAS TLS engine and profile (Fexco) for remote 52.114.76.76:5061

09:11:11.899 TLS.SIP NEGOTIATION Client(192.168.200.200:8035) <=> (52.114.76.76:5061)| transportConnectionTlsSequenceStarting: Prerequisite setup complete and TLS connection details cached

09:11:11.899 TLS.SIP NEGOTIATION Client(192.168.200.200:8035) <=> (52.114.76.76:5061)| transportConnectionTlsSequenceStarting: TLS engine details:

09:11:11.900 TLS.SIP NEGOTIATION Client(192.168.200.200:8035) <=> (52.114.76.76:5061)| transportConnectionTlsSequenceStarting: : Role: client-only

09:11:11.900 TLS.SIP NEGOTIATION Client(192.168.200.200:8035) <=> (52.114.76.76:5061)| transportConnectionTlsSequenceStarting: : Persistent connections: yes

09:11:11.900 TLS.SIP NEGOTIATION Client(192.168.200.200:8035) <=> (52.114.76.76:5061)| transportConnectionTlsSequenceStarting: : Registered peers: sip.pstnhub.microsoft.com

09:11:11.901 TLS.SIP NEGOTIATION Client(192.168.200.200:8035) <=> (52.114.76.76:5061)| transportConnectionTlsSequenceStarting: : Known peers: sip.pstnhub.microsoft.com

09:11:11.902 TLS.SIP NEGOTIATION Client(192.168.200.200:8035) <=> (52.114.76.76:5061)| transportConnectionTlsStateChanged: tlsConnectionState_HandshakeReady

09:11:11.904 TLS.SIP NEGOTIATION Client(192.168.200.200:8035) <=> (52.114.76.76:5061)| transportConnectionTlsStateChanged: tlsConnectionState_HandshakeStarted

09:11:11.923 TLS.SIP NEGOTIATION Received certificate: verification decision(FAIL[0->unable to get local issuer certificate])

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