Patent ID: 6292544
Filing Date: 2001-09-18
Classification: H04M

Abstract:
In a computer system, a system for indicating a waiting message for use in a telephone network having a source of Waiting Message ON and Waiting Message OFF messages, comprising:a telephone interface connected to said network and operated to receive and detect said Waiting Message ON and Waiting Message OFF messages, said telephone interface comprisinga digital access arrangement connected to said telephone network and operated to pass all analog signals received from said network,a coder/decoder connected to said digital access arrangement and operated to receive said analog signals and to convert said analog signals to digital signals while said telephone is in an on-hook state,a digital signal processor connected to said coder/decoder and operated to receive said digital signals and further operated to detect in said digital signals said Waiting Message ON and Waiting Message OFF messages;means to indicate a waiting message in response to said Waiting Message ON message; andmeans to cancel said indicator of a waiting message in response to said Waiting Message OFF message.