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| Vendor: | Microsoft |
|---|---|
| Exam Code: | MS-721 |
| Exam Name: | Collaboration Communications Systems Engineer |
| Exam Questions: | 274 |
| Last Updated: | April 9, 2026 |
| Related Certifications: | Microsoft 365, Teams Voice Engineer Expert |
| Exam Tags: | Modern work certifications Professional Microsoft 365 AdministratorSystems engineers |
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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.
https://docs.microsoft.com/en-us/microsoftteams/direct-routing-plan
You have a Teams Phone deployment that contains a branch office.
You need to restrict toll bypass for a user based on the office in which the user is working during an inbound or outbound PSTN call.
What should you use?
Calling policies in Teams
In Microsoft Teams, calling policies control which calling and call forwarding features are available to users. Calling policies determine whether a user can make private calls, use call forwarding or simultaneous ringing to other users or external phone numbers, route calls to voicemail, send calls to call groups, use delegation for inbound and outbound calls, and so on.
You can use the global (Org-wide default) policy that's created automatically or create and assign custom policies.
Calling policies include:
* Prevent toll bypass and send calls through the PSTN
Turning on this setting sends calls through the Public Switched Telephone Network (PSTN) and incur charges rather than sending them through the network and bypassing the tolls. This setting is off by default.
https://learn.microsoft.com/en-us/microsoftteams/teams-calling-policy
You are deploying Teams Rooms to a Windows device.
You need to prevent meeting attendees from using room remote in the Teams mobile app.
What should you configure in the Microsoft Teams admin center?
Manage a Microsoft Teams Rooms console settings remotely with an XML configuration file
This article discusses remote management of the default settings used by a Microsoft Teams Rooms device. It discusses how to create a master settings file and links to discussions of how to place them as needed on Teams Rooms.
It is possible for you to change default settings of Teams Rooms by updating a master XML file and sending copies to the remote Teams Rooms devices.
Create an XML configuration file
Any text editor can be used to create a settings file. The XML Elements table explains the elements shown in this sample SkypeSettings.xml (required file name) configuration file.
<SkypeSettings>
<AutoScreenShare>1</AutoScreenShare>
<HideMeetingName>1</HideMeetingName>
<AutoExitMeetingEnabled>true</AutoExitMeetingEnabled>
<AudioRenderDefaultDeviceVolume>70</AudioRenderDefaultDeviceVolume>
* Details omitted*
<AllowRoomRemoteEnabled>true</AllowRoomRemoteEnabled>
Incorrect:
Not B: If you have one or more Microsoft Teams Rooms on Windows devices or Surface Hubs in a meeting room, you can set up Coordinated Meetings. Coordinated Meetings lets you set up your Teams Rooms on Windows devices and Surface Hubs so that when you join a meeting on one device, the other devices in the room are also joined to the same meeting. You can configure your cameras, speakers, and microphones so that the ones that give participants the best experience are enabled while others are disabled. This avoids the dreaded echo and feedback noise participants can experience when adding multiple devices to a meeting.
Not C: Front Row layout in Teams Rooms-- Additional functionality with the Front Row experience, a layout for hybrid meetings that enables users to see remote attendees at eye level and on dual screens. Users can see Chat in the right panel and participants with raised hands on the left panel. And, Meeting Chat is added in the Gallery, Large Gallery, and Together Mode layouts.
https://learn.microsoft.com/en-us/microsoftteams/rooms/xml-config-file
https://learn.microsoft.com/en-us/microsoftteams/rooms/coordinated-meetings
You have Microsoft Teams Phone handsets.
You need to receive an alert when a handset of an executive goes offline.
What should you do in the Microsoft Team admin center?
https://docs.microsoft.com/en-us/microsoftteams/alerts/device-health-status
You have a Microsoft Teams deployment.
You have the users shown in the following table.

You need to identify which users meet the following requirements:
* Can assign watermarks to meetings.
* Can configure end-to-end meeting encryption.
Which users should you identify?
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