Private branch radio extension terminating system

Details Private branch radio extension terminating system Private branch radio extension terminating system

1994-02-10

1996-01-02

Kuntz, Curtis

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379 59, 455 331, H04Q 720, H04Q 722, H04Q 726

Patent

active

054815916

ABSTRACT:
A private branch radio extension terminating system includes radio base station units, at least one line control unit, and a central processing unit. The radio base station units are installed in a plurality of places each capable of accommodating a plurality of private branch radio extension terminals within its radio wave range. The line control unit controls the radio base station units. The private electronic branch exchange includes a time-division switch for accommodating the line control unit, a central processing unit for controlling the private branch radio extension terminals via the line control unit and the base station units, and a storage unit for storing various data and programs. The central processing unit determines the radio base station unit, which is to transmit a ringing signal for calling the private branch radio extension terminal, on the basis of position registration information and route information about the private branch radio extension terminal, and transmits a ringing signal transmission command to the radio base station unit.

REFERENCES:
patent: 4833702 (1989-05-01), Shitara et al.
patent: 5090051 (1992-02-01), Muppidi et al.
patent: 5235633 (1993-08-01), Dennison et al.

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