Telephone Security

CALLING LINE ID RESTRICTION

Decide whether you want your number to appear on the receiver’s handset

ANONYMOUS CALL REJECTION

Block calls from withheld or anonymous numbers

BARRING / DEBARRING

Allow or prevent the making and receiving of calls from your fixed telephone

CODED CALL BARRING

Allow or prevent the making and receiving of certain calls from your telephone by keying in a special code number

MONTHLY USER LIMIT

Decide your monthly bill in advance

ITEMISED BILLS

Request to receive monthly a detailed list of all your calls