Microsoft Collaboration Communications Systems Engineer (MS-721) certification validates advanced skills in designing, deploying, configuring, and managing Microsoft Teams Phone, Meetings, Calling, and Voice solutions. This guide helps you prepare for the MS-721 exam in 2026.
MS-721 is an associate-level certification focused on Microsoft Teams collaboration and voice workloads. It is ideal for IT professionals who manage Teams Phone, meetings, conferencing, and enterprise voice solutions.
Microsoft Teams Phone integrates cloud voice, PSTN connectivity, and enterprise telephony features into Microsoft Teams.
Question 1: Which Microsoft Teams feature enables users to make and receive PSTN calls?
Explanation: Teams Phone provides cloud-based calling features that allow users to make and receive PSTN calls.
Question 2: Which connectivity option allows Microsoft to manage the PSTN infrastructure?
Explanation: Microsoft Calling Plans provide PSTN connectivity where Microsoft manages phone numbers and infrastructure.
Question 3: What is required to configure Direct Routing in Microsoft Teams?
Explanation: Direct Routing requires a certified Session Border Controller to connect Teams to the PSTN.
Question 4: Which Teams policy controls a user’s ability to make outbound PSTN calls?
Explanation: Calling policies define calling features such as call forwarding, voicemail, and outbound calls.
Question 5: Which report helps troubleshoot call quality issues in Microsoft Teams?
Explanation: Call Quality Dashboard provides detailed insights into audio, video, and network performance issues.
Is MS-721 difficult?
It is intermediate-level and requires hands-on Microsoft Teams experience.
Is MS-721 worth it in 2026?
Yes. It is essential for Teams Voice and Collaboration engineers.
Do I need PowerShell?
Basic PowerShell knowledge is helpful but not mandatory.
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The Microsoft MS-721 Certification Exam validates skills required to plan, deploy, configure, and manage Microsoft Teams Phone and collaboration communication systems. Passing this exam confirms your ability to design and maintain enterprise voice and collaboration solutions using Microsoft 365 technologies.
The MS-721 exam focuses on configuring and managing Microsoft Teams Phone, implementing calling plans and Direct Routing, managing voice users and policies, configuring emergency calling, troubleshooting voice and collaboration issues, and monitoring Teams communication environments.
Clearcatnet always keeps exam prep material up-to-date by considering frequent changes in exam skills measured. We provide real exam-style questions with verified answers, explanations, and reference links to clear doubts. This builds your confidence for the best preparation so that you are fully ready to pass your exam on the FIRST ATTEMPT ONLY!
Learning MS-721 enhances your career by validating expertise in Microsoft Teams Phone and collaboration communications. It prepares you for roles such as Collaboration Communications Engineer, Teams Voice Engineer, and Microsoft 365 Administrator.
The target audience includes IT professionals, Teams administrators, voice engineers, system administrators, and collaboration specialists responsible for managing Microsoft Teams communication solutions.
Skills measured include configuring Microsoft Teams Phone, managing calling plans and Direct Routing, implementing voice policies, configuring emergency services, managing Teams devices, monitoring call quality, and troubleshooting communication issues.
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The Microsoft MS-721 exam includes multiple-choice questions, case studies, and scenario-based tasks. The exam typically contains 40–60 questions with a time limit of around 120 minutes. The passing score is generally 700 out of 1000.
Microsoft role-based certifications are valid for one year. After that, you can renew your certification online for free to stay updated with the latest Microsoft technologies and features.
There are no formal prerequisites for MS-721. However, basic knowledge of Microsoft 365, Microsoft Teams, and enterprise voice solutions is recommended. Hands-on experience with Teams Phone or Direct Routing is beneficial.
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