GENERAL ARC HITECTURE OF OCB-283

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INTRODUCTION OF OCB-283

Exchange has got 3 basic subsystems :-

1 SUBSCRIBER ACCESS SUBSYSTEM

2 CONNECTION & CONTROL SUBSYSTEM

3. OPERATION & MAINTENANCE SUBSYSTEM


CONTROL SUBSYSTEM

CONTROL SUBSYSTEM SUPPORTS ALL THE COMOMN CONTROL FUNCTIONS OF EXCHANGE WHICH SETUP & RELEASE A CALL

COMMON CONTROL FUNCTIONS ARE :- MR,TR,TX,MQ,GX & PC
IN SOFTWARE FORM THEY ARE CALLED LOGICAL MACHINES