If you are unable to see the dial pad within the Calls section of Teams you may need to log out of Teams and restart the app to restore access to Teams Phone. This short guide demonstrates how to do this.
In the image below, the ‘Calls’ app within Teams does not display a number keypad on the left of your screen, indicating the following steps are required to activate Teams Phone features.
1. Click on your user icon in the top right of Teams and select 'Sign out'
If prompted, confirm by selecting 'Sign out':
Teams will re-open, prompting you to sign in:
2. Select your user account, enter credentials if prompted, and Teams will launch
3. Select the 'Calls' app within Teams. You should now see a number dial pad:
Should this process fail to present the number dial pad please contact the IT Service Centre.
Guides on how to use Teams Phone are available in the knowledge base Teams Phone Guidance and Training (sharepoint.com)