Caller ID is the number that you would like to be displayed to those you are calling. You can select any number that you have verified (see Verifying your number) to show as your Caller ID.
Steps for setup:
Open the General Settings tab
Click on the Caller ID Number dropdown
Select the number you would like to use
If you do not have a number set up, click on “+ Add New Number”
Now have Caller ID set up!