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Question 97 - MS-721 discussion

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You have a Microsoft Teams Phone deployment.

You are deploying Direct Routing.

All users have a SIP URI in the format of [email protected]. The Session Border Controller (SBC) is named sbc.voice.contoso.com.

When troubleshooting errors on the SBC, you receive the warning shown in the following exhibit.

What is a possible cause of the issue?

A.

The certificate does not match the FQDN on the SBC.

Answers
A.

The certificate does not match the FQDN on the SBC.

B.

The firewall blocks inbound traffic on port 443 to the SBC.

Answers
B.

The firewall blocks inbound traffic on port 443 to the SBC.

C.

Only TLS 1.0 is enabled on the SBC.

Answers
C.

Only TLS 1.0 is enabled on the SBC.

D.

Microsoft 365 Phone System licenses are not assigned to the users.

Answers
D.

Microsoft 365 Phone System licenses are not assigned to the users.

Suggested answer: B

Explanation:

Reference:

https://docs.microsoft.com/en-us/microsoftteams/troubleshoot/phone-system/direct-routing/sipoptions-tls-certificate-issues

asked 05/10/2024
Serhan Azdiken
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