Patent ID: 7023982

Claim:
A telephone line plug system comprising: A jack body having one end adapted to be inserted into standard telephone wall jacks, said jack body having at least one receiving socket at another end adapted to receive a conventional plug which is attached to a telephone line operated device, said plug being controlled via signaling over a provided two wire telephone line; a first central processor unit for controlling said signaling; a first modulator/demodulator for modulating every signal with a chosen frequency for a line in question, wherein said first central processor unit determines which carrier wave to use; a line sensor for differentiating between an idle state and an active state of the telephone line, and for detecting a ring signal; a communication channel for forming a communication channel to a slave plug; a tone generator for generating tones connected to an outgoing telephone line; a first buzzer for signaling, an identification means for providing a plug its identity in a plug system; a power status controlling means; a ring signal generating means connected to a line with a connected telephone device in an idle state; a DTMF decoder for decoding DTMF tones transmitted from connected telephone devices; and a power supply for generating voltage corresponding to a conventional telephone line voltage wherein a slave plug is provided for multiple incoming telephone lines in a plug system controlled via signaling over a provided two wire telephone line.