System for establishing a connection between private branch exch

Details System for establishing a connection between private branch exch System for establishing a connection between private branch exch

1993-01-21

1994-10-11

Kuntz, Curtis

Telephonic communications

Audio message storage, retrieval, or synthesis

379 58, 379 63, H04M 1100

Patent

active

053554027

ABSTRACT:
An installation is described for establishing a connection between private branch exchanges (PABX), each of which has a base station allocated within a determined geographic area (GA), where the base station provides a determined number of utilization channels served by telecommunication, through which mobile cordless terminals communicate with the base station, and thereby with the branch exchange, throughout the geographic area. The base station (BS.sub.2) of a second branch exchange (PABX.sub.2) is located within the geographic area (GA) of a base station (BS.sub.1) of a first branch exchange (PABX.sub.1), and a wireless cross linkage is established by the two base stations (BS.sub.1, BS.sub.2) and their telecommunication (PABX.sub.1, PABX.sub.2).

REFERENCES:
patent: 3912875 (1975-10-01), Katz
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patent: 5040177 (1991-08-01), Martin et al.
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"Verbindungsverkehr zwischen Fernsprech-Nebenstellenanlagen-Netzplanung, Numerierung und Ubertragungstechnik", V. Jager et al, Telefon Report 13, (1977) Heft 2, pp. 55-60.
"A Business Cordless PABX Telephone System on 800 MHz Based on the DECT Tecnhology" by Colin Buckingham, et al, published in the Jan. 1991 IEEE Communications Magazine, pp. 105-110.

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