Fault tolerant, collateral message and recovery system within a telephone distributed processing system having message switching modules for transmission link

摘要

System for collateral out-of-band messaging within the distributed data processing environment in a digital switch which has mainstream in- band data channels. The system comprises independent reset modules, which decode and recognize the out-of-band messages to effect emergency control functions of the distributed processors, such as resetting and jamming an malfunctioning processor.