Telephone communications control system having a plurality of re

Details Telephone communications control system having a plurality of re Telephone communications control system having a plurality of re

1977-05-03

1979-07-03

Brown, Thomas W.

179 18B, 179 18ES, H04M 342, H04Q 358

Patent

active

041601297

ABSTRACT:
Local to long-distance interconnections at the remote units are effected without necessity of voice connections through the centrally located processing unit.

REFERENCES:
patent: RE28607 (1975-11-01), Richards
patent: 3274343 (1966-09-01), Lucas et al.
patent: 3492430 (1970-01-01), Vigliante
patent: 3553384 (1971-01-01), Lucas et al.
patent: 3576398 (1971-04-01), Dejean et al.
patent: 3731000 (1973-05-01), Joel, Jr.
patent: 3916124 (1975-10-01), Joel, Jr.
patent: 3934095 (1976-01-01), Matthews et al.
patent: 4021619 (1977-05-01), Potter et al.
"New Switching Concept for Multilocation Customers," Carlson, et al., Bell Labs. Record, vol. 49, No. 8, Sep. 1971.

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