This security feature enables users to avoid phone calls from someone they just don't want to hear from.
Call Blacklist will block calls from phone numbers you don't want to receive calls from.
Blacklisted callers will receive an 'Out of Service' message when attempting to call your number.
Blacklist a number
Dial feature code, wait for instruction prompt, enter number to blacklist.
Remove a number from a blacklist
Dial feature code, wait for instruction prompt, enter number to remove.