For the Webex Teams part, the way to do this is as follows:

On your cell phone, follow these steps:

1. Go to the Webex Teams app.

2. Click on the profile picture.

3. Go to Settings.

4. Go to Notifications.

4. Go to Calls.

5. Deselect the option “Answer calls in the lock screen”.

Note: You should do this whenever you don’t want to receive calls on your cell phone.

On the desktop the way to do this is to log out.

In Webex Calling App, follow these steps for the cell phone part:

1. Go to the Webex Calling app.

2. Click on the three lines above in the menu.

3. Disable the use of VOIP if you have it selected, remove it only in the time you do not want to receive calls on your cell phone.

On the desktop the way to do this is to log out.

In order to prevent both devices from ringing, it is only possible to manipulate them from the apps on the mobile phone.