For details about calling capabilities in specific web browsers, see Get clients for Microsoft Teams, Web client section.

Place calls

Windows desktop

Mac desktop

Web

Android and iOS

Linux desktop

End-to-end encryption (E2EE) for one-to-one Teams calls

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-

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Voice Over IP (VOIP) and Public Switched Telephone Network (PSTN*) calling

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Edge and Chrome only

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Reverse Number Lookup (RNL) based on AAD or telephone company info

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Edge and Chrome only

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Number normalization rules/number translation rules

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Edge and Chrome only

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Speed dial

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Edge and Chrome only

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Call history

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Edge and Chrome only

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Find and call Teams users in other domains (federated calling)

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Edge and Chrome only

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Call people who use Skype for Consumers or Skype for Business

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Edge and Chrome only

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Start a group call or join a group call in progress

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Edge and Chrome only

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Location provided for emergency calls (dynamic emergency calling)

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-

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Call from contact card

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Edge and Chrome only

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Dial by name

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-

-

-

Dial an extension

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Edge and Chrome only

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"/call" command

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Edge and Chrome only

-

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Answering and during a call

Windows desktop

Mac desktop

Web

Android and iOS

Linux desktop

VOIP call controls (hold, mute, video on/off, screen sharing)

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Edge and Chrome only

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PSTN* call controls (hold, mute)

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Edge and Chrome only

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Add others to a call (VOIP and PSTN* numbers)

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Edge and Chrome only

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Blur background during video calls

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-

Custom background during video calls

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-

Video preview on hover

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-

-

-

One-on-one call recording

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-

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Caller ID

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Edge and Chrome only

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Closed captions

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-

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Transfer and forward

Windows desktop

Mac desktop

Web

Android and iOS

Linux desktop

Call forwarding and simultaneous ring

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Edge and Chrome only

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Transfer calls (blind, ring back, consult)

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Edge and Chrome only

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Transfer calls between desktop and mobile

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Edge and Chrome only

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Merge calls

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Edge and Chrome only

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Park and retrieve calls

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Edge only

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Voicemail and settings

Windows desktop

Mac desktop

Web

Android and iOS

Linux desktop

Voicemail with transcription

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Edge and Chrome only

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Send missed calls to voicemail

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Edge and Chrome only

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Secondary ringer

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Edge and Chrome only

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Music on hold

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Access to Calls section in Settings (full or partial)

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Edge and Chrome only

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Advanced calling features

Windows desktop

Mac desktop

Web

Android and iOS

Linux desktop

Custom ringtones

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Edge and Chrome only

-

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Share a phone line with a delegate

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-

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Block calls

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Edge and Chrome only

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Play a busy signal to incoming callers when on another call (busy on busy)

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Edge and Chrome only

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Allow priority access to certain contacts when status is Do Not Disturb

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Edge and Chrome only

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TTY support

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-

-

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Call queue with shared voicemail

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Edge and Chrome only

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Auto attendant with shared voicemail

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Edge and Chrome only

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Make PSTN calls during internet outages (Survivable Branch Appliance)

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Edge and Chrome only

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Callto: protocol (use Teams as telephone)

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Edge and Chrome only

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Contact Center as a Service integration, including call recording

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Edge and Chrome only

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*Requires purchase of a Microsoft 365 Calling Plan.

Note: Last update 03/11/2022.

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