System for transmitting messages to a telephone set through...

Details System for transmitting messages to a telephone set through... System for transmitting messages to a telephone set through...

H - Electricity

04

M

379/3

H04M 11/00 (2006.01) H04M 3/42 (2006.01) H04M 3/487 (2006.01)

Patent

CA 1198843

"System for transmitting messages to a telephone set through the subscriber's line in a telephone system" ABSTRACT OF THE DISCLOSURE A message transmitting system incorporated in a tele- phone system and comprising a device for generating service signals relating to the making of a telephone connection between one telephone set and another telephone set, the system comprising a mixer with two inputs which are connected to the service signal generating device and to a message generating device, respectively, the output of the mixer being connected to the telephone line.

418144

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