Telephone exchange apparatus, telephone exchange system,...

Details Telephone exchange apparatus, telephone exchange system,... Telephone exchange apparatus, telephone exchange system,...

H - Electricity

04

M

H04M 3/00 (2006.01) H04M 3/22 (2006.01) H04M 3/42 (2006.01) H04Q 3/545 (2006.01) H04Q 3/58 (2006.01)

Patent

CA 2485004

A telephone exchange apparatus includes a first storage unit to store a plurality of call process information for executing mutually different call process functions to the telephone terminal, in a first memory, a second storage unit to store permit information for executing a specified call process function out of the plurality of call process functions, the permit information being preliminarily stored in each device, in an information write disable second memory, a reader which reads out corresponding call process information from the first memory according to the requested call process function, reads out permit information from the second memory, and controller which controls about the execution of the call process function on based on these information.

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