With the Calling Line Identification Restriction service toy can select not to reveal your mobile telephone number when you call another mobile phone.
If you want to have the Calling Line Identification Restriction service on permanently, contact the COSMOTE Customer Care Department on 13838 and follow the instructions to activate the Service.
If you want not to reveal your phone number only temporarily, you can:
Dial #31# and the number you want and then press CALL.
You can use this method if you have not activated the Calling Line Identification Rest
To show your telephone number, if you have activated the Calling Line Identification Restriction Service, you can dial *31# and the telephone number you want to call and then press CALL.
