You have a Microsoft Teams Phone deployment.
You are deploying Direct Routing.
All users have a SIP URI in the format of [email protected]. The Session Border Controller (SBC) is named sbc.voice.contoso.com.
When troubleshooting errors on the SBC, you receive the warning shown in the following exhibit.

What is a possible cause of the issue?

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.

Your company uses a third-party ticketing system.
You need to send an alert to the ticketing system when an IP phone goes offline.
What should you do?

Your company has a Microsoft Teams Phone deployment.
You plan to deploy auto attendants and call queues.
The support desk requires that its auto attendant be able to forward calls after hours to local mobile phone numbers.
You need to identify which licenses to assign to auto-attendant. The solution must minimize costs.
Which two licenses should you identify? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.

Your company has an on-premises deployment of Microsoft Skype for Business Server 2015 with CU8 that Is configured for hybrid connectivity You are migrating to Microsoft Teams Phone. A Direct Routing trunk is used for PSTN connectivity. The company requires that phone number assortments be performed in Active Directory.
You plan to create a call queue that will service users both on-premises and in the cloud.
You need to create and assign a resource account for the call queue. The call queue must be able to teach users regardless of which platform they are on.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.