Anonymous3 years ago000But it doesn't seem to work with the UPC Connect Box, does anyone know why?Show in original language (German)Stefan492 years ago000For the handheld transmitter to work with the Connect Box, it needs a base station with RJ11 connection, e.g. Gigaset Box100.Show in original language (German)Commentgschwinds3 years ago000Maybe because none of the upc boxes has an integrated DECT base...Show in original language (German)Comment