Phone capabilities for Teams user in Calling SDK

The Azure Communication Services Calling SDK for JavaScript enables Teams user devices to drive voice and video communication experiences. This page provides detailed descriptions of phone calling features. To get started right away, check out Calling quickstarts.

Phone capabilities

The following list of capabilities is supported for scenarios where at least one phone number participates in 1:1 or group call:

Group of features	Capability	JavaScript
Core Capabilities	Place a one-to-one call to the phone number	✔️
	Place a group call with at least one phone number	✔️
	Promote a one-to-one call with a phone number into a group call	✔️
	User can dial into a group call	❌
	Dial out from a group call to a phone number	✔️
	Make an Emergency call	✔️
	Honor Security desk policy for emergency calls	✔️
	Provide a static emergency location for Teams calling plans in case of emergency calls	✔️
Connectivity	Teams calling plans	✔️
	Teams direct routings	✔️
	Teams operator connect	✔️
	Azure Communication Services direct offers	✔️
	Azure Communication Services direct routing	✔️
Mid call control	Turn your video on/off	✔️*
	Mute/Unmute mic	✔️
	Switch between cameras	✔️*
	Local hold/un-hold	✔️
	Indicator of dominant speakers in the call	✔️
	Choose speaker device for calls	✔️
	Choose microphone for calls	✔️
	Indicator of participant's state Idle, Early media, Connecting, Connected, On hold, In Lobby, Disconnected	✔️
	Indicator of call's state Early Media, Incoming, Connecting, Ringing, Connected, Hold, Disconnecting, Disconnected	✔️
	Indicate participants being muted	✔️
	Indicate participants' reasons for terminating the call	✔️
Screen sharing	Share the entire screen from within the application	✔️*
	Share a specific application (from the list of running applications)	✔️*
	Share a web browser tab from the list of open tabs	✔️*
	Share content in "content-only" mode	✔️*
	Receive video stream with content for "content-only" screen sharing experience	✔️*
	Share content in "standout" mode	❌
	Receive video stream with content for a "standout" screen sharing experience	❌
	Share content in "side-by-side" mode	❌
	Receive video stream with content for "side-by-side" screen sharing experience	❌
	Share content in "reporter" mode	❌
	Receive video stream with content for "reporter" screen sharing experience	❌
Roster	List participants	✔️
	Add an Azure Communication Services user	❌
	Add a Teams user	✔️
	Adding Teams user honors Teams external access configuration	✔️
	Adding Teams user honors Teams guest access configuration	✔️
	Add a phone number	✔️
	Remove a participant	✔️
	Adding Teams user honors information barriers	✔️
Device Management	Ask for permission to use audio and/or video	✔️*
	Get camera list	✔️*
	Set camera	✔️*
	Get selected camera	✔️*
	Get microphone list	✔️
	Set microphone	✔️
	Get selected microphone	✔️
	Get speakers list	✔️
	Set speaker	✔️
	Get selected speaker	✔️
Video Rendering	Render single video in many places (local camera or remote stream)	✔️*
	Set / update scaling mode	✔️*
	Render remote video stream	✔️*
Recording & transcription	Manage Teams convenient recording	❌
	Receive information of call being recorded	✔️
	Manage Teams transcription	❌
	Receive information of call being transcribed	✔️
	Support for compliance recording	✔️
Media	Support for early media	✔️
	Place a phone call honors location-based routing	❌
	Support for survivable branch appliance	❌
Accessibility	Receive closed captions	❌
Advanced call routing	Does start a call and add user operations honor forwarding rules	✔️
	Read and configure call forwarding rules	❌
	Does start a call and add user operations honor simultaneous ringing	✔️
	Read and configure simultaneous ringing	❌
	Placing participant on hold plays music on hold	✔️
	Being placed by Teams user on Teams client on hold plays music on hold	✔️
	Park a call	❌
	Be parked	✔️
	Transfer a call to a user	✔️
	Be transferred to a user or call	✔️
	Transfer a call to a call	✔️
	Transfer a call to Voicemail	❌
	Be transferred to voicemail	✔️
	Merge ongoing calls	❌
	Does start a call and add user operations honor shared line configuration	✔️
	Start a call on behalf of the Teams user	❌
	Read and configure shared line configuration	❌
	Receive a call from Teams auto attendant	✔️
	Transfer a call to Teams auto attendant	✔️
	Receive a call from Teams call queue	✔️
	Transfer a call from Teams call queue	✔️
Teams caller ID policies	Block incoming caller ID	❌
	Override the caller ID policy	❌
	Calling Party Name	❌
	Replace the caller ID with	❌
	Replace the caller ID with this service number	❌
Teams dial out plan policies	Start a phone call honoring dial plan policy	❌
DevOps	Azure Metrics	✔️
	Azure Monitor	✔️
	Azure Communication Services Insights	✔️
	Azure Communication Services Voice and video calling events	❌
	Teams Call Analytics	✔️
	Teams real-time Analytics	❌

Notes:

• Participants joining via phone number can't see video content. Therefore actions involving video do not impact them but can apply when VoIP participants join.
• Currently, Placing participant on hold plays music on hold feature, is only available in JavaScript.

Next steps

Get started with calling

For more information, see the following articles:

• Familiarize yourself with general call flows
• Learn about call types