Selective Call Acceptance
Allows only incoming calls from a select list of numbers. Choose from either Manual Activation or a Fixed "Always On" version.

*64 - Activates Selective Call Acceptance
*640 - Deactivates Selective Call Acceptance
*64 606794XXXX - Add number to the list
*640#606794XXXX - Remove number from your list
*647 - Sends a text msg that will show all numbers on the list
*649 - Adds the last received number to the list
*6409 - Removes the last number added to the list
*64099 - Removes all numbers from the list