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MS-721 · Question #201
MS-721 Question #201: Real Exam Question with Answer & Explanation
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Maintain and troubleshoot collaboration communications systems
Question
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?
Options
- AThe SIP options are disabled.
- BThe failover timer is set to 0 seconds.
- CLicenses are not assigned to the contoso.com domain.
- DThe firewall blocks traffic on port 5067.
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Topics
#Direct Routing#SBC#Firewall#Troubleshooting