You have a Microsoft I earns deployment and an existing telephony solution that provides PSTN capability to on premises third-party PBX systems in two separate locations.
You need to implement a redundant PSTN solution for Microsoft Teams Phone. The solution must use the existing telephony earner services. The solution must ensure that outbound calls can be made if a component fails.
Which three components should you implement? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point

Your company currently allows call park lot all PSIN users. The call pack policies are configured as shown in the exhibit. (Click the Exhibit tab.)

You have a Microsoft 365 group named Help Desk.
You need to ensure that only the Help Desk group can use call park. The solution must minimize the number of policies and administrative effort.
Which three actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.

You have a Microsoft Teams Phone deployment that uses Direct Routing. The deployment has the following configurations:
* Direct Routing Session Border Controller (SBC) public IP subnet: 198.51.100.0/24
* Teams client external IP subnet: 203.0.113.0/24
* Teams client internal IP subnet: 192.168.0.0/24
You need to configure the network topology to support emergency call routing.
Which network range should you add to the trusted IP addresses?

You are replacing the on-site PBX at the Georgia warehouse with Teams.
You need to maintain the functionality of the PBX after migrating to Teams.
Which sequence of steps should you perform? To answer, drag the appropriate steps to the correct locations.
Each step may be used once, more than once, or not at all You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.

You have a Microsoft 365 tenant that has Modern authentication enabled for an services Multi-factor authentication (MFA) is enforced for all users.
You are deploying Microsoft Teams Rooms.
The first time you attempt to sign in to a Teams Rooms, you receive an error message indicating that the device cannot sign in to Teams.
You verify that Modern authentication is enabled in Teams Rooms.
What prevents you from signing in?