To use a phone number as the Caller ID.
- Configuration Manager
- Phone Numbers
- Caller ID
- Login to the Configuration Manager.
- From Home Page, click Phone Numbers.
- Click More Options, then click on "use as shared caller ID".
- It will pop up a window to modify the name of caller ID, click save when done.
- Back on home page > click Users > click Edit on any user you wish to use the shared caller ID and go to external caller ID.
- On the phone number click on the drop down arrow and select the phone number to use as the caller ID.