Distributed processing telephone switching system

Details Distributed processing telephone switching system Distributed processing telephone switching system

1983-09-30

1986-04-01

Schreyer, Stafford D.

179 18ES, 179170D, 179 16F, H04M 1526

Patent

active

045800111

ABSTRACT:
A telephone switching system and method eliminates the need for high speed computers by employing a master controller having its own microprocessor to coordinate and control a tone controller, a switch controller, and a coupler controller, each of which has its own microprocessors and performs independent parts of the overall system control function. The master controller microprocessor interacts with each other controller microprocessor via a communication bus to segment the control functions into small independent operations which may be performed simultaneously. System call handling capacity can be increased by adding modular controller units to service added telephone lines. A solid state fully protected voice coupler is protected against voltage and current surges while meeting all relevant FCC specifications for connection to any voice transmitting and receiving equipment.

REFERENCES:
patent: 4160129 (1979-07-01), Peyser et al.
patent: 4256926 (1981-03-01), Pitroda et al.
patent: 4453038 (1984-06-01), Eberhardt et al.

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