Patent ID: 6937859

Claim:
A mobile communication service control system comprising: a home location register storing subscriber information; a switching unit for sending to said home location register a subscriber information inquiry signal to inquire about said subscriber information upon processing of an incoming call; and a service control unit for controlling a service provided for subscribers, wherein said home location register stores service information necessary for a start of control of said service at said service control unit and sends said service information along with a response signal to said subscriber information inquiry signal to said switching unit, wherein said switching unit transfers said service information received from said home location register, to said service control unit, wherein said service control unit starts the control of said service when receiving said service information from said switching unit, wherein when a service available for a subscriber is on, said service control unit sends a service-on-signal to said home location register, and wherein said home location register sends said service information along with the response signal to said subscriber information inquiry signal to said switching unit only when receiving said subscriber information inquiry signal in a received state of said service-on-signal.