You have a Microsoft Teams Phone deployment.

Microsoft MS-721 Question Answer

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.

a Session Border Controller (SBC) that uses a hostname in the onmicrosoft.com domain

a firewall rule that opens a TCP signaling port to Microsoft Teams

a public DNS entry that maps the FQDN of the Session Border Controller (SBC) to a public IP address

a firewall rule that opens a UDP signaling port to Microsoft Teams

a Teams-certified Session Border Controller (SBC)

MS-721 PDF/Engine

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