Method and means for accessing program memory of a common...

Details Method and means for accessing program memory of a common... Method and means for accessing program memory of a common...

H - Electricity

04

Q

344/29

H04Q 3/54 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 1108275

ABSTRACT OF THE DISCLOSURE A method and means for providing a remote data station with access to the program memory of a stored program common control telecommunications switching system. The control complex has an input/output port and a modem for interfacing that port with its switching network. The control has the capability of setting up connections in the network between the modem and a selected trunk. Incoming connections to the modem are given only limited access to the stored program control, that access for the purpose of analyzing incoming data to detect a predetermined code. In the event the predetermined code is detected, the incoming connection is taken down, and an outgoing connection established to a distant station by dialing the number of an authorized station which is stored in the program memory. Full access to the program memory is then allowed, such that full access is provided only to stations whose telephone numbers are stored in the memory of the switching exchange.

303570

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