MICROSOFTMicrosoft 365 Certified:Collaboration Communications Systems Engineer Associate
The Microsoft 365 Certified: Collaboration Communications Systems Engineer Associate certification validates your ability to configure, deploy, monitor, and manage Microsoft Teams Phone, meetings, and certified devices. It is designed for professionals responsible for planning and troubleshooting collaboration communication systems. Achieving this certification demonstrates proficiency in managing collaboration solutions using Microsoft Teams tools.
641 practice questions · Updated 2026-07-30
4Domains
19Objectives
168Concepts
641Questions
MS-721 Curriculum
Every domain, objective, and concept the MS-721 exam measures.
- Teams Meetings Planning
- Teams Meeting Policies Design
- PSTN Audio Conferencing Planning
- Teams Premium Recommendation
- Meeting Types Recommendation
- Policy Assignment Methods
- Teams Policy Packages Design
- Teams Phone Licensing Requirements
- PSTN Connectivity Requirements
- Teams Phone Mobile Usage
- Operator Connect Planning
- SMS in Teams Design
- Billing Method Recommendation
- Shared Calling Planning
- Service and User Phone Numbers Usage
- Phone Number Porting and Acquisition
- Auto Attendants and Call Queues Design
- Dynamic Emergency Calling Solution
- Teams Phone Device Recommendation
- Analog and SIP Device Planning
- Survivable Branch Appliances Usage
- Direct Routing Design
- Session Border Controller Solution
- Compliance Recording Solution Identification
- Certified Contact Center Solutions Use Cases
- Queues App Use Cases
- Room Configuration for Meeting Space
- Room Configuration for Business Requirements
- Teams Rooms Basic vs Pro
- Teams Rooms Device Platform
- Teams-Certified Devices
- Teams Rooms Certified Components
- Interoperability Solutions for Teams Rooms
- Microsoft Teams Rooms Resource Account Requirements
- Microsoft Intune Enrollment Requirements
- AOSP Device Management Enrollment
- Advanced Features on Shared Devices
- Network Readiness Evaluation
- Enterprise Content Delivery Network Recommendation
- Certified Device Network Configuration
- Network Requirements Determination
- Optimal Network Architecture Specification
- Teams Quality of Service Requirements
- Teams QoS Configuration
- Media Bit Rate Configuration
- Network Roaming Policy Creation
- Network Topology Configuration
- Tenant Data Upload Configuration
- Call Analytics Reporting Labels
- Meeting Policies Creation
- Meeting Settings Configuration
- Avatars Configuration
- Meeting Features Management
- Teams Premium Features
- Meeting Templates Management
- Controlled-Content Policies
- Cloud Video Interop Policies
- Recording and Transcription Configuration
- Virtual Appointments Configuration
- Teams Premium Evaluation
- Audio Conferencing Setup
- Default Audio Conferencing Bridge
- Audio Conferencing Bridge Number
- Toll-Free Bridge Number
- Assign Conferencing Number
- Toll-Free Audio Conferencing
- Meeting Invitation Numbers
- WebinarRolesConfiguration
- PresenterExperienceSetup
- AttendeeExperienceSetup
- WebinarSchedulingAccessManagement
- WebinarPolicyConfiguration
- InOrgVsPublicWebinarSetup
- AdvancedWebinarFeaturesConfiguration
- AttendeeInteractionConfiguration
- Town Hall Settings Configuration
- Microsoft eCDN Setup
- Advanced Town Hall Features
- Integration with Teams
- Integration with Viva Engage
- Integration with Microsoft Stream
- Dial Plan Creation
- Calling Policy Configuration
- Call Park Policy Setup
- Caller ID Policy Management
- IP Phone Policy Configuration
- Mobility Policy Configuration
- Voicemail Policy Setup
- Call Hold Policy Configuration
- Outbound Call Restriction Setup
- Inbound Call Blocking Configuration
- Unassigned Number Routing
- Compliance Recording Policy Setup
- Shared Calling Policy Configuration
- Resource Account Creation
- Resource Account Configuration
- License Assignment to Resource Accounts
- Phone Number Assignment
- Resource Account Assignment
- Call Queue Routing Methods
- Business Hours Configuration
- Custom Music on Hold Configuration
- Caller ID Policies
- Voice Applications Policies
- Callback Implementation
- Queues App Configuration
- Emergency Calling Locations
- Emergency Call Routing Policies
- Emergency Calling Policies
- Location Information Service (LIS) Configuration
- Emergency Address Validation
- Assign Verified Emergency Address
- Troubleshoot Dynamic Emergency Address
- Teams Phone Standard License Assignment
- Teams Calling Plan Assignment
- Individual Phone Number Assignment
- Bulk Phone Number Assignment with PowerShell
- User-Specific Teams Phone Policy Assignment
- Policy Package Creation and Assignment
- Group Policy Configuration for Teams Phone
- Cloud Voicemail Configuration
- Group Call Pickup Setup
- Call Forwarding Configuration
- Simultaneous Ring Setup
- Call Delegation Configuration
- Audio Conferencing Configuration
- Private Lines Configuration
- SBC Configuration
- SBC Connectivity Testing
- PSTN Gateway Creation
- PSTN Gateway Configuration
- Direct Routing Policies
- SBC Security Settings
- Device Settings Configuration
- Network Settings Configuration
- Device Updates Configuration
- MFA Exceptions Recommendation
- Meeting Room Settings
- Teams Rooms Management
- Intune Configuration Requirements
- Phone Deployment
- Teams Device Tags Management
- SIP Gateway Configuration
- Device Health Monitoring
- Authentication Troubleshooting
- Teams IP Phone Policies
- Device Configuration Profiles
- Hotline for Shared Devices
- Remote Android Deployment
- Custom Displays Configuration
- Intune Configuration Requirements
- Domain Policy Exclusions
- Custom Displays
- XML Configuration
- Peripheral Settings
- HDMI Ingest Configuration
- Content Camera Setup
- Teams Casting Setup
- Proximity Join Configuration
- Room Remote Setup
- Direct Guest Join Setup
- Hot Desking Configuration
- AI Voice and Video Configuration
- Create Room Types
- Manage Inventory
- Assign Devices
- Configure Bookable Desks
- Monitor Shared Spaces
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Percentages reflect share of the current practice bank, not official exam weightings — no structured per-skill weight is published for MS-721, so none is invented.