Your company has a Microsoft Teams Phone deployment that uses Direct Routing with a local Session Border Controller (SBC).

You need to add SIP desk phones to the deployment. The phones must be connected directly to the SIP gateway of Microsoft.

What should you do?

Select only one answer.

From the Microsoft Teams admin center, enable the Send SIP options for the SBC.

Verify if the phones are on the certified Teams phones list.

Verify if the phones are on the compatible SIP device list.

From the Microsoft Teams admin center, change the SIP signaling port to 5061 for the SBC.