This service is optional and involves subscription fees.
You can even block calls coming from private names/numbers.
You can activate this calling feature from your phone.
To block calls from a private name or number:
- Pick up the phone and dial *77.
- Wait for the dial tone and then hang up.
The number will be blocked and the person trying to reach you will get the following message:
"The person you are trying to reach does not accept calls from private numbers. Please hang up and try again once Caller ID has been activated."