To block a caller ID:
- Click the Add Number button on the Block Caller ID editor. The Add Number window appears.
- In the Number field, enter the unwanted caller number that you want to block.
- In the Expiration Date field, click the calendar icon and use the Date Picker to select a date. Click Ok.
- Add the description for the phone number.
- Click Save Number to add the number to the blocked numbers list.
Demo
For more information, see the demo: