MS-721 study materials
MS-721 study resources

MS-721 key terms

MS-721 · Get comfortable with the vocabulary.

Teams Network Planner

A tool in the Teams admin center that estimates the bandwidth and connectivity needed for Teams voice and meetings at each site, based on the number of users and how they will use the service.

Related: Quality of Service (QoS), Microsoft 365 network connectivity test
Quality of Service (QoS)

A network configuration that marks real-time Teams voice and video packets with DSCP values so switches and routers can prioritize them over other traffic, reducing jitter, latency, and packet loss.

Related: Teams Network Planner, VPN split tunneling
VPN split tunneling

A VPN design that sends Teams media traffic directly to Microsoft rather than through the corporate VPN tunnel, avoiding added latency and reducing load on VPN concentrators.

Related: Quality of Service (QoS)
Trusted IPs and trusted subnets

Network locations that an administrator registers in Teams so the service can recognize users on the corporate network and apply the correct meeting, calling, and emergency routing behavior.

Related: Dynamic emergency calling, Location-Based Routing (LBR)
Group policy assignment

A method of applying a Teams policy to a security group or distribution list instead of assigning it user by user, so membership changes automatically update who receives the policy.

Related: Meeting policy
Microsoft 365 network connectivity test

A web-based tool that measures a user's connection to Microsoft 365 endpoints and reports whether firewall, proxy, or DNS settings will support Teams real-time media quality.

Related: Teams Network Planner
Teams Phone license

A per-user add-on license that enables cloud voice features such as call queues, auto attendants, and PSTN calling; a separate calling plan or Direct Routing configuration provides the actual phone numbers.

Related: Calling Plan, Direct Routing
Town hall

A Teams event type for large one-to-many broadcasts where presenters control the stage, attendees watch with moderated Q&A, and organizers can use a green room and RTMP streaming.

Related: Green room, Webinar
Webinar

A Teams meeting type designed for structured presentations to an audience, with registration, attendee reporting, and controls that separate organizers, presenters, and attendees.

Related: Town hall, Meeting policy
Meeting policy

A Teams policy that defines what meeting features users can use, such as recording, transcription, anonymous join, lobby behavior, and who can present.

Related: Custom meeting template, Meeting lobby
Custom meeting template

A saved set of meeting settings and optional branding that administrators can make available so organizers create meetings with consistent options, such as lobby rules and recording defaults.

Related: Meeting policy
Breakout rooms

Separate sub-meetings created inside a Teams meeting so small groups can collaborate privately before returning to the main session; organizers choose assignment and whether participants can rejoin.

Related: Meeting lobby
Meeting lobby

A waiting area where participants pause before entering a Teams meeting until the organizer or a presenter admits them, or until they are allowed in by policy.

Related: Meeting policy, Breakout rooms
Audio conferencing

A Teams add-on that provides dial-in phone numbers and PINs so participants can join meetings from a traditional phone when they cannot use the app.

Related: Meeting policy
Cloud Video Interop (CVI)

A service that lets third-party video conferencing room systems join Teams meetings, translating their signaling and media so the room appears as a standard participant.

Related: Microsoft Teams Rooms (MTR)
Live transcription

A meeting feature that displays a real-time text version of what participants say, with speaker attribution, so people can follow along or review the conversation later.

Related: Meeting policy
Green room

A separate area in a town hall or webinar where presenters and organizers can gather, test audio and video, and chat before the event starts, unseen by attendees.

Related: Town hall
Direct Routing

A Teams Phone option where an organization connects its own certified Session Border Controller to Microsoft's cloud, using existing carrier trunks to provide PSTN calling.

Related: Session Border Controller (SBC), Voice routing policy, Media bypass
Operator Connect

A Teams Phone PSTN option where a Microsoft-approved operator provides calling service and manages the connection and phone numbers, so the customer runs no SBC.

Related: Direct Routing, Calling Plan
Calling Plan

A Microsoft PSTN add-on that gives Teams users a phone number and the ability to place and receive domestic or international calls without an on-premises PBX.

Related: Operator Connect, Teams Phone license
Session Border Controller (SBC)

A device or service at the network edge that secures, translates, and routes SIP traffic between an organization's phone system and a carrier or Microsoft's cloud for Direct Routing.

Related: Direct Routing, Media bypass
Media bypass

A Direct Routing setting that keeps Teams media on the local network between the client and the SBC instead of sending it through Microsoft's cloud, reducing latency and bandwidth use.

Related: Direct Routing, Session Border Controller (SBC)
Voice routing policy

A Teams policy that links a user to PSTN usage records and voice routes, deciding which gateway or carrier handles their outbound calls and in what order.

Related: Dial plan, Direct Routing
Dial plan

A collection of normalization rules plus optional prefix and dial-mask settings that convert numbers users dial into E.164 format before Teams routes the call.

Related: Voice routing policy
Auto attendant

A cloud voice application that answers incoming calls and lets callers use a keypad or voice menu to reach a department, a person, or a call queue.

Related: Call queue, Resource account
Call queue

A Teams Phone application that holds incoming calls and distributes them to a group of agents using methods such as round robin, serial, or longest idle, with overflow options.

Related: Auto attendant, Resource account
Resource account

A sign-in-disabled account attached to a Teams voice application such as an auto attendant or call queue, providing the identity and phone number that callers reach.

Related: Auto attendant, Call queue
Dynamic emergency calling

A Teams Phone feature that uses network information to detect a caller's location at the time of an emergency call and sends the matching address to the emergency responder.

Related: Trusted IPs and trusted subnets, Location-Based Routing (LBR)
Location-Based Routing (LBR)

A Direct Routing feature that limits a user's PSTN calls to the gateway near their current location, blocking calls that would route through a distant or disallowed gateway.

Related: Direct Routing, Dynamic emergency calling
Survivable Branch Appliance (SBA)

A certified on-premises appliance that keeps PSTN calling available for a site during an internet outage by registering local Teams phones and connecting them to the phone network.

Related: Session Border Controller (SBC), Direct Routing
Call Quality Dashboard (CQD)

A Microsoft 365 reporting tool that aggregates Teams call and meeting quality metrics so administrators can find buildings, subnets, or devices with poor audio and video.

Related: Quality of Service (QoS)
Microsoft Teams Rooms (MTR)

A dedicated conference room system, running on Windows or Android, that provides one-touch Teams meetings, calendar access, and shared content in a meeting space.

Related: Teams Rooms Pro license, Teams panel, Front Row
Teams Rooms Pro license

A per-room license that unlocks the full Teams Rooms feature set, including advanced meeting experiences, device management, and access to the Pro Management portal.

Related: Microsoft Teams Rooms (MTR), Teams Rooms Pro Management portal
Teams Rooms Pro Management portal

A cloud portal for monitoring and managing Teams Rooms, showing device health, incidents, update status, and room usage so administrators can act on problems remotely.

Related: Teams Rooms Pro license, Microsoft Teams Rooms (MTR)
Configuration profile

A reusable set of device settings in the Teams admin center that is applied to many Teams devices at once, such as meeting defaults or network and update settings.

Related: Microsoft Teams Rooms (MTR), Teams panel
Teams panel

A touchscreen device mounted outside a meeting room that shows the room's schedule and lets people book, extend, or end a meeting without using the room console.

Related: Microsoft Teams Rooms (MTR), Configuration profile
Hot desking

A Teams device feature that lets a signed-out user sign in temporarily for a shift, then automatically removes their data when they sign out so the next person can use the device.

Related: Microsoft Teams Rooms (MTR), Configuration profile
SIP Gateway

A Microsoft service that connects supported third-party SIP phones to Teams, letting organizations keep existing desk phones while moving their calling to Teams Phone.

Related: Teams Phone license
Front Row

A Teams Rooms layout that puts meeting content and participant video at the front of the room in a consistent view, designed for rooms where people sit facing a large display.

Related: Microsoft Teams Rooms (MTR), Teams Rooms Pro license