MS-721 Verified 2026 Edition

MS-721 Practice Test

MS-721 is Microsoft's Collaboration Communications Systems Engineer Associate certification, replacing the older MS-720 exam. It suits voice and unified communications engineers who deploy Teams Phone and meeting room hardware. The practice test is built around planning collaboration systems, configuring Teams meetings and webinars, implementing Teams Phone, and managing Teams Rooms devices.

186 Total Questions
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English Edition
$85k–$135k Typical Salary An estimate of yearly pay in the United States for Teams voice engineers, collaboration engineers and unified communications engineers.
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Exam Information

Official specifications published by Microsoft

Exam Format

100 min
40-60
700
Associate

Registration

$165 USD
Pearson VUE or online proctoring

Validity

1 year
Pass renewal assessment annually; Complete continuous learning modules; Maintain active usage of Teams administration

Skills this practice test covers

  • Choose a PSTN connectivity option, from Calling Plans and Operator Connect to Direct Routing.
  • Configure meeting policies, audio conferencing bridges, webinar access and town halls that use eCDN.
  • Build auto attendants and call queues on resource accounts, with holidays, callback and a routing method.
  • Route outbound calls to an SBC with PSTN usage records, voice routes and voice routing policies.
  • Set up dynamic emergency calling with emergency locations and the Location Information Service.
  • Manage Teams Rooms on Windows and Android, from XML settings to the Pro Management portal.

Explore related topics

MS-721 exam content

4 domains · 32 topics · 180 of 186 questions sorted by domain

Plan and design collaboration communications systems47 questions

This domain is the design work done before any setting changes. Candidates pick meeting types and policy assignment methods, choose how Teams Phone reaches the public phone network, recommend rooms and devices, and check the network with Microsoft's planning tools.

Skills tested

  • Recommend meeting types, such as virtual appointments, webinars and town halls, from business requirements.
  • Choose between Calling Plans, Operator Connect, Teams Phone Mobile and Direct Routing for PSTN connectivity.
  • Design call flows for auto attendants and call queues, and a solution for dynamic emergency calling.
  • Choose between Teams Rooms Basic and Teams Rooms Pro, and between Windows and Android room platforms.
  • Assess the network with the Microsoft Teams Network Assessment Tool and the Network planner for Teams.

Official topics

  • Plan and design Teams meetings
  • Plan and design Teams Phone and PSTN connectivity
  • Plan and design Teams-certified device solutions
  • Prepare the network for Teams
Configure and manage Teams meetings, webinars, and town halls29 questions

This domain turns meeting plans into policies and settings. Candidates manage meeting policies and templates, audio conferencing bridges and numbers, webinar roles and access, and town halls that use a Microsoft eCDN to spread video across the network.

Skills tested

  • Create meeting policies, meeting templates and controlled-content meeting policies.
  • Set up recording and transcription so that Microsoft 365 Copilot and Teams Premium features can use them.
  • Configure a default audio conferencing bridge, toll-free numbers and a specific number for one user.
  • Decide between in-org and public webinars, and control who may schedule them.
  • Configure a Microsoft eCDN for town halls, and run town halls with Viva Engage and Microsoft Stream.

Official topics

  • Configure and manage Teams meetings
  • Configure and manage audio conferencing
  • Configure and manage Teams webinars
  • Configure and manage Teams Town halls
Implement and configure Teams Phone53 questions

The largest domain is about making calls work. Candidates build the policies that control calling, set up auto attendants and call queues, configure emergency calling, assign licenses and numbers, and connect Teams Phone to a Session Border Controller (SBC) with Direct Routing.

Skills tested

  • Create dial plans, calling policies, caller ID policies and outbound call restrictions.
  • Build auto attendants and call queues on resource accounts, with holidays, callback and music on hold.
  • Configure emergency calling locations, the Location Information Service (LIS) and emergency call routing policies.
  • Assign Teams Phone Standard licenses, Calling Plans and phone numbers, in bulk with PowerShell when needed.
  • Connect an SBC, then create PSTN usage records, voice routes and voice routing policies for Direct Routing.

Official topics

  • Create and configure Teams Phone policies
  • Create and configure auto attendants and call queues
  • Configure emergency calling
  • Assign Teams Phone licenses and policies
  • Configure calling features
  • Configure and manage Direct Routing
Configure and manage Teams Rooms and devices51 questions

This domain covers the hardware in meeting rooms and shared spaces. Candidates manage Teams Rooms on Windows and Android, phones and panels through the Teams admin center, Intune and the Teams Rooms Pro Management portal, and set up features such as proximity join, hot desking and bookable desks.

Skills tested

  • Manage device settings, updates and configuration profiles from the Teams admin center.
  • Customize Teams Rooms on Windows with XML files and Android devices with configuration profiles.
  • Troubleshoot authentication, update, remote provisioning and proximity join issues.
  • Configure HDMI ingest, a content camera, Teams casting and Direct Guest Join.
  • Create room types, import hardware inventory and set up bookable desks for BYOD spaces.

Questions by topic

  • Create and configure device configuration profiles for Android based devices4
  • Customize meeting room settings by using XML files on Windows6
  • Monitor Teams device health2
  • Configure hot desking on Teams shared devices4
  • Configure device updates2
  • Set up and configure bookable desks2
  • Troubleshoot authentication issues3
  • Configure SIP Gateway and provision SIP devices3
  • Configure a content camera4
  • Troubleshoot update issues1
  • Configure BYOD spaces and bookable desks3
  • Deploy Android devices remotely1
  • Specify Intune configuration requirements for AOSP and Microsoft Device Ecosystem Platform (MDEP) devices3
  • Manage Teams Rooms from the Microsoft Teams Rooms Pro Management portal5
  • Recommend Teams Rooms certified components3
  • Troubleshoot proximity join issues3
  • Troubleshoot remote provisioning issues1
  • Specify Intune configuration requirements for Teams devices1
Practise these questions in study mode

Requirements

  • No formal prerequisites: anyone can book the exam.
  • Recommended: a working knowledge of networking, telecommunications, audio and video equipment, meeting rooms, and identity and access management.
  • Recommended: hands-on use of the Teams admin center, the Teams Rooms Pro Management portal, PowerShell and the Call Quality Dashboard.

About the MS-721 exam

Microsoft's MS-721 exam is for engineers who plan, set up and troubleshoot calling, meetings and meeting rooms in Microsoft Teams. Its domains cover planning the system and the network, meetings, webinars and town halls, Teams Phone, and Teams Rooms and other certified devices. Candidates are expected to work in the Teams admin center, the Teams Rooms Pro Management portal, PowerShell and the Call Quality Dashboard. Passing earns Microsoft 365 Certified: Collaboration Communications Systems Engineer Associate, which is renewed each year through a free online assessment.

Teams Phone is the largest domain on the exam, and it also has the most questions in the PlanetCert practice test. The explanations work through cases such as choosing a call queue routing method, fixing a dynamic emergency address or reading a Direct Routing fault in the Teams admin center. Flashcard Mode helps with the many named features, from Location-Based Routing to Local Media Optimization. Brainy AI Assistant can explain how a dial plan, a voice routing policy and a PSTN usage record work together on one outbound call.

How to earn the certification

Earns
Microsoft 365 Certified: Collaboration Communications Systems Engineer AssociateAssociate

The certification lasts one year and renews through a free online assessment on Microsoft Learn.

How to prepare for MS-721

  1. Build a Teams Phone test tenant

    Use a test Microsoft 365 tenant with Teams Phone licenses. Create a resource account, an auto attendant and a call queue, then call them to hear each routing choice.

  2. Trace one call through Direct Routing

    Teams Phone is the largest domain. Follow a dialed number through the dial plan, the voice routing policy, the PSTN usage record and the voice route to the SBC, and note what each step decides.

  3. Set up dynamic emergency calling

    Create emergency locations, map subnets and Wi-Fi access points in the Location Information Service, and assign the emergency policies. Then check which address a Teams client reports.

  4. Compare the room options side by side

    List the differences between Teams Rooms Basic and Pro, and between Windows and Android rooms. Flashcard Mode helps with room features such as proximity join, HDMI ingest and Direct Guest Join.

  5. Drill Teams Phone in Study Mode first

    Work through the MS-721 practice test by domain in Study Mode, starting with Teams Phone, then take a full run in Timed Mode. Ask Brainy AI Assistant to explain any policy question that went wrong.

    Start a timed MS-721run

Microsoft's course for this exam is Plan, configure, and manage collaboration communications systems with Microsoft Teams. Its two self-paced learning paths are MS-721 Plan and design Teams collaboration communications systems and MS-721 Manage Teams collaboration communications systems.

Who MS-721 is for

  • Voice engineers who move an organization's phone system to Teams Phone and Direct Routing.
  • Teams administrators who look after meeting rooms, shared phones and panels.
  • Network engineers who prepare a network for Teams media with QoS and eCDN.
  • Partners and consultants who design calling and meeting room projects for customers.

Typical job titles: Teams voice engineer · Collaboration engineer · Unified communications engineer · Teams administrator · Meeting room technology specialist

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