1. in the MS Teams navigation bar, go to Apps.

2. In the search box, search for Digital Phone.

3. Click on the Digital Phone app box.

⇒ A new dialogue will open.

4. In this dialogue, click on Add.

⇒ The app will be added to your personal apps and will open afterwards.

5. Right-click on the Digital Phone icon in the navigation bar on the left and click on Pin.

6. To use the app, click on Sign in and log in with your app user credentials.

When the user starts a phone call, the call will open in a small floating window in the top-right corner of the app. Here you can:

• mute yourself
• put the call on hold or
• end the call.

After the call has been ended, the small window will disappear.

Apart from that, there is not much difference to the Digital Phone app.