Caller ID - How to change the caller ID?
1. Go to Settings
> Outbound Calls/Faxes
> Caller ID
2. On the Caller ID
section, decide what phone number you want to display as your Caller ID number for:
> Outgoing calls, and
> Other RingCentral features
Click Edit on the phone/feature you want to modify, then select the number you want to use as the Caller ID.
The available features will depend on which RingCentral plan your RingCentral account is subscribed to, and the Role/Permission granted to your User extension by your RingCentral account's Administrator.
3. Click Save to save your changes.