s.accogli7 years ago000Is it possible to block unwanted numbers?Show in original language (German)Anonymous7 years ago000Yes, blocking is possible from the caller list.Show in original language (German)Commentlieni43hedingen7 years ago000Yes, unwanted numbers can be blocked in the Gigaset CL660. The list of blocked numbers can be viewed on the display.Show in original language (German)Comment