Subscriber call simulator capable of testing new services of a t

Details Subscriber call simulator capable of testing new services of a t Subscriber call simulator capable of testing new services of a t

1990-12-10

1991-11-12

Schreyer, Stafford D.

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Of centralized switching system

379 16, 379 18, H04M 324, H04M 330

Patent

active

050654225

ABSTRACT:
Connected to a telephone switching system through subscriber lines, a subscriber call simulator acts as a plurality of pseudo-subscriber's telephone sets. An input/output section inputs control procedure information for the pseudo-subscriber's telephone sets. Connected to the input/output section, a memorizing arrangement memorizes the control procedure information as stored information. By using the stored information, a control circuit controls the pseudo-subscriber's telephone sets. The control procedure information comprises a control procedure program and correspondence information stored in a procedure program memory and a correspondence information memory, respectively, both of which act as the memorizing arrangement.

REFERENCES:
patent: 4021624 (1977-05-01), Kelly et al.
patent: 4937850 (1990-06-01), Borbas et al.

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