In the top right hand corner of your team account all of a User's phones can be Muted (DND):
When muted none of your phones will ring.
For calls to extensions or phone numbers assigned to a User, the User's Call Forwarding rules will be followed.
Users can also Mute phones in their account's User Settings:
- Under My settings open the Phone tab.
- Click on Advanced Settings
- Setting Do not disturb to Yes will mute all calls