Câu 66: MS-721: Collaboration Communications Systems Engineer

You have a Microsoft Teams Phone deployment. You need to implement PSTN connectivity by using Direct Routing. What are three requirements for the implementation? Each correct answer presents part of the solution.NOTE: Each correct selection is worth one point.

1. A. a public DNS entry that maps the FQDN of the Session Border Controller (SBC) to a public IP address — đáp án hiện tại
2. B. a Session Border Controller (SBC) that uses a hostname in the onmicrosoft.com domain
3. C. a Teams-certified Session Border Controller (SBC) — đáp án hiện tại
4. D. a firewall rule that opens a TCP signaling port to Microsoft Teams — đáp án hiện tại
5. E. a firewall rule that opens a UDP signaling port to Microsoft Teams