An automatic dialer which receives address digits dialed from a telephone set and outdials a destination number. A programmable Send Only M.O.S. Memory stores a plurality of destination numbers at address locations. The dialer can be connected to a telephone line at the central office, at the subscriber's...http://www.google.com/patents/US3993877?utm_source=gb-gplus-sharePatent US3993877 - Automatic dialing equipment