Telephone system

Details Telephone system Telephone system

1996-03-13

1998-03-31

Kuntz, Curtis

Telephonic communications

Private or single line system

Doorbell system

379170, 379171, 379185, 379 58, H04M 160, H04M 900

Patent

active

057347077

ABSTRACT:
A telephone system includes a plurality of telephones which do not require the use of a telephone company central switching station and which do not require the use of any other central control station which receives and routes calls made between telephones in the system.

REFERENCES:
patent: 4554411 (1985-11-01), Armstrong

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