An automatic telephone answering apparatus includes tape recorder sections for outputting a speech message through a telephone line, and for recording and reproducing a speech signal through the telephone line, a controller for setting the tape recorder sections in predetermined modes, and a decoder...http://www.google.fr/patents/US4700376?utm_source=gb-gplus-shareBrevet US4700376 - Automatic telephone answering apparatus with remote control signal muting
Automatic telephone answering apparatus with remote control signal muting
