MS-721
Collaboration Communications Systems Engineer
Blueprint version: Skills measured as of April 28, 2026
Each blueprint objective below is paired with relevant official Microsoft Learn
documentation.
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Plan and design collaboration communications systems (20–25%)
Plan and design Teams meetings
Plan for Teams meetings, webinars, and town halls
Plan and design Teams meeting policies and settings
Plan for PSTN audio conferencing
Recommend when to use Teams Premium, including Microsoft 365 Copilot
Recommend meeting types based on business requirements, including virtual appointments, webinars, town halls, and meetings
Recommend methods for assigning policies
Plan and design Teams policy packages
Plan and design Teams Phone and PSTN connectivity
Identify licensing requirements to enable Teams Phone for users, shared devices, and Teams resource accounts
Identify PSTN connectivity requirements
Recommend when to use Teams Phone Mobile
Plan for Operator Connect
Plan and design SMS in Teams with Microsoft Calling Plan numbers
Recommend an appropriate billing method for communications consumption, including domestic, international, and pay-as-you-go (PAYG)
Plan for Shared Calling
Plan usage scenarios for service and user phone numbers
Plan for porting and/or acquiring phone numbers
Design call flows for auto attendants and call queues
Design a solution for dynamic emergency calling
Recommend devices for Teams Phone
Plan for and recommend analog devices, Session Initiation Protocol (SIP) handsets, and SIP devices
Recommend when to use Survivable Branch Appliances (SBAs)
Plan and design Direct Routing
Recommend a Session Border Controller (SBC) solution based on PSTN connectivity
Identify an appropriate compliance recording solution
Identify use cases for the Queues app
Plan and design Teams-certified device solutions
Recommend a room configuration based on the meeting space, including Bring Your Own Device (BYOD)
Recommend a room configuration based on customer and business requirements
Choose between Teams Rooms Basic and Teams Rooms Pro
Recommend Teams-certified devices
Recommend Teams Rooms certified components
Recommend an interoperability solution for Microsoft Teams Rooms, including Cloud Video Interop (CVI), Direct Guest Join, and SIP Guest Join
Identify the requirements for a Microsoft Teams Rooms resource account
Identify the enrollment requirements for Microsoft Intune
Identify the enrollment requirements for Android Open Source Project (AOSP) device management
Plan for advanced features on shared devices
Prepare the network for Teams
Recommend when to use Enterprise Content Delivery Network (eCDN)
Specify the network configuration for certified devices
Determine network requirements by using the Network planner for Teams
Specify the optimal network architecture for Teams
Specify Teams Quality of Service (QoS) requirements and policies
Create and assign a network roaming policy
Create and manage meeting policies
Create and manage Teams meeting templates and meeting template policies
Configure controlled-content meeting policies
Evaluate Teams Premium by using the Teams admin center
Assign a specific Audio Conferencing number to a user
Manage access to scheduling Teams webinars
Assign licenses to resource accounts
Assign phone numbers to resource accounts, including toll-free phone numbers
Assign a resource account to an auto attendant or call queue
Choose an appropriate call queue routing method, including call priorities
Implement callback for call queues
Validate emergency address and emergency calling from Teams clients
Assign a verified emergency address location
Troubleshoot dynamic emergency address
Assign Teams Phone licenses, phone numbers, and policies
Assign a Teams Phone Standard license
Assign a Teams Calling Plan
Assign phone numbers to users by using the Microsoft Teams admin center
Assign phone numbers in bulk by using PowerShell
Assign Teams Phone policies to a specific user
Create and assign policy packages
Create PSTN usage records
Validate Direct Routing SBC connectivity
Identify use cases for Location-Based Routing (LBR)
Manage emergency call routing policies for Direct Routing
Troubleshoot Direct Routing by using the Teams admin center
Manage and maintain Teams Rooms and devices
Recommend Microsoft Entra Conditional Access MFA exceptions for resource accounts
Manage Teams Rooms from the Microsoft Teams Rooms Pro Management portal
Specify Intune configuration requirements for Teams devices
Deploy common area phones, user phones, and conference phones
Monitor Teams device health
Troubleshoot authentication issues
Troubleshoot update issues
Troubleshoot remote provisioning issues
Troubleshoot proximity join issues
Enable hotline for shared space devices
Deploy Android devices remotely
Specify domain group policy exclusions for Teams Rooms on Windows
Customize Teams Rooms on Windows settings by using an XML configuration file
Configure a content camera
Create and publish room types
Manage inventory, including discovery of or import of hardware
Assign devices to room types
Manage and monitor shared space rooms that include bring-your-own devices