Microsoft
MS-721 · Question #264
You have a Microsoft Teams Phone deployment. You are deploying Direct Routing by using a certified Session Border Controller (SBC). The FQDN of the SBC is sbc1.contoso.com. You use signaling port 5067
The correct answer is B. The Digicert root certificate is missing on the SBC.. https://docs.microsoft.com/en-us/microsoftteams/troubleshoot/phone-system/direct-routing/sip- options-tls-certificate-issues
Implement and configure Teams Phone
Question
You have a Microsoft Teams Phone deployment. You are deploying Direct Routing by using a certified Session Border Controller (SBC). The FQDN of the SBC is sbc1.contoso.com. You use signaling port 5067. You cannot place calls and receive an error message in the Microsoft Teams admin center as shown in the following exhibit. What is a possible cause of the issue?
Exhibit
Options
- ACalling plan licenses are not assigned to users.
- BThe Digicert root certificate is missing on the SBC.
- CThe Forward P-Asserted Identify (PAI) header is disabled.
- DLocation-Based Routing is enabled for the SBC.
How the community answered
(43 responses)- A7% (3)
- B72% (31)
- C5% (2)
- D16% (7)
Explanation
https://docs.microsoft.com/en-us/microsoftteams/troubleshoot/phone-system/direct-routing/sip- options-tls-certificate-issues
Topics
#Direct Routing#SBC Configuration#TLS Certificates#Teams Phone Troubleshooting
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