Telephone exchange for wire telephone and radio telephone

Details Telephone exchange for wire telephone and radio telephone Telephone exchange for wire telephone and radio telephone

1995-12-18

1998-05-26

Hong, Harry S.

Telephonic communications

Special services

Call diversion

455417, 455462, 455555, H04M 342, H04M 1100

Patent

active

057579024

ABSTRACT:
This invention is to provide a telephone exchange capable of operating any one of the juxtaposed and registered extension radiotelephones and wire telephones by only specifying one extension dial number. For this purpose, a wire port physical number is registered in association with a radio port physical number so that two normally separate extension wire telephone (006a, 006b, . . . ) and radiotelephone (008a, 008b, . . . ) can be handled as if they were a single-channel extension phone with a branch switch. Thus, when the user handles two separate radio telephone and wire telephone, the call to the wire telephone can be transferred to the radiotelephone by a simple operation. When the user leaves his desk on which the wire telephone is installed, carrying the radiotelephone with him, it can be carried to a long distance. In addition, two telephones can be used as if they are connected in parallel, and for example, the telephone conversation between a main line and the radiotelephone can be transferred to the wire telephone.

REFERENCES:
patent: 4980907 (1990-12-01), Raith et al.
patent: 5222123 (1993-06-01), Brown et al.
patent: 5327486 (1994-07-01), Wolff et al.
patent: 5390233 (1995-02-01), Jensen et al.
patent: 5400327 (1995-03-01), Dezonno
patent: 5454032 (1995-09-01), Pinard et al.

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