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Getting started with Teams Phone Mobile


Teams Phone Mobile enables you to stay connected no matter where you are. Your SIM-enabled phone number is also your Teams phone number, allowing you to answer and move calls seamlessly between devices.

Note: Teams Phone Mobile is only available on SIM-enabled phone numbers provided through your business. Please contact your IT admin to determine if this service is available to you.

Getting started

When setting up your Teams Phone Mobile device for the first time, it is important to follow these instructions:

  1. Open the Teams app and log in.

  2. You will see a prompt asking to confirm your phone number.

  3. Select Yes only if you are on your SIM-enabled, business-provided Teams Phone Mobile device with your business-provided phone number.

Teams Phone Mobile first run experience

Note: While you may see this prompt when signing in to any device, you should only select Yes on your Teams Phone Mobile device. When logging in on any other device, whether computer, tablet, or other mobile phone with the Teams app, always select Cancel when this message appears.


Teams Phone Mobile has a number of unique features that set it apart from the desktop and mobile versions of the Teams app.

One number for all your devices

Your SIM-enabled, business-provided phone shares a single number with your Teams app. Any device you’re logged in to with your Teams account will ring simultaneously when you receive a call, and you can answer it directly in your phone’s default calling app. Answering this way will automatically change your Teams status to In a call.

Shared history

Your call history is shared between Teams and the phone app. Any calls made from either app will show up in the call history on both. Calls made from the Teams app will be shown in your call history anywhere you're signed in to Teams, but the phone app will only show calls made from that device.

Voicemail is shared across all devices through Teams. Voicemail is unavailable through the default calling app on Teams Phone Mobile. 

Uplift and transfer to a different device

Teams Phone Mobile allows you to transfer the call from your phone app to Teams on any device. Simply open Teams on the device of your choice and select Join call

If you're on a call through your phone app and would like to use video, share your screen, or transfer the call to someone else from your Teams Phone Mobile device, you must first uplift the call to Teams. To do so, open the Teams app on that device and tap Move call to Teams.

Uplift call to Teams

For more information on moving a call or meeting between devices, see Join a meeting on a second device.

Note: transferring calls between devices is separate from call transferring, which allows you to transfer a one-on-one call to another person. For more information, see Transfer a call in Microsoft Teams.

Related topics

Manage call settings in Microsoft Teams Phone Mobile

Manage call settings in Microsoft Teams

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