Patent ID: 6681000
Filing Date: 2004-01-20
Classification: H04M,H04Q

Abstract:
A network information system comprising a plurality of telephone terminals, a signal converter adapted to connect with said telephone terminals through public communication lines, a server adapted to connect with said signal converter through a communication line, whereineach of said telephone terminals comprises: an operation unit; and a signal transmitter for transmitting a DTMF signal in response to an operation applied to said operation unit; said signal converter comprises: a signal converting unit for converting a DTMF signal received from each of said telephone terminals into control data; and a data transmitter for transmitting said control data to said server; and said server comprises: a receiver for receiving said control data generated on the basis of said DTMF signals of said plurality of telephone terminals; and a processor for executing an application program using said control data received by said receiver, wherein said control data corresponds to one or more of said plurality of telephone terminals.