Exchange for an ISDN capable of controlling an incoming call by

Details Exchange for an ISDN capable of controlling an incoming call by Exchange for an ISDN capable of controlling an incoming call by

1994-03-22

1995-05-09

Kuntz, Curtis

Telephonic communications

Telephone line or system combined with diverse electrical...

Having transmission of a digital message signal over a...

379 94, 379100, H04M 1100

Patent

active

054147603

ABSTRACT:
For controlling an incoming call transmitted from an integrated services digital network towards a terminal unit, an exchange comprises a memory for memorizing address data representative of slave addresses which are assigned to the incoming call. In accordance with the incoming call and the address data, a local signal producing circuit produces a local signal for use in making a control portion of the exchange control the incoming call. When the incoming call includes a kind datum representative of a kind of the terminal unit, such as speech, facsimile, and/or data processing units, the control portion controls the incoming call in accordance with the kind datum and the address data. Likewise, the incoming call may include a channel datum and a number datum.

REFERENCES:
patent: 4998248 (1991-05-01), Matsuzaki
patent: 5046189 (1991-09-01), Kainuma
patent: 5134611 (1992-07-01), Steinka et al.
patent: 5142525 (1992-08-01), Nakatsuma

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