Universal telephone set with personalized push-buttons.

摘要

The set of the invention comprises a line interface (4) connected to a BF circuit (7), to a multifrequency transmitter (11) and to a UART (13). A microprocessor (15) combined with a non-volatile random-access memory (16) controls these circuits as well as a display (19) and a data-insertion key pad (20). Application: private telephones and public telephones. <IMAGE>