Telephonic communications – Plural exchange network or interconnection – Interexchange signalling
Patent
1994-12-09
1996-08-27
Hofsass, Jeffery
Telephonic communications
Plural exchange network or interconnection
Interexchange signalling
370 67, 370 851, 379219, 379225, 379233, 379234, H04M 700, H04Q 1104, H04J 302
Patent
active
055509134
ABSTRACT:
A network terminating unit, for interconnecting analog and digital communication systems to a digital network, having an analog voice module for connection to an analog private exchange, a high speed data communication module for connection to high speed communications devices, and an interface for common channel signalling connection to a digital network. The unit may further include a module for common channel signalling connectivity to a digital private exchange.
REFERENCES:
patent: 5420916 (1995-05-01), Sekiguchi
Patent Abstracts of Japan, vol. 9, No. 284 (E-357) (2007) 12 Nov. 1985 & JP, A, 60 126 997 (Nippon Denki) 06 Jul. 1985.
Tzung-Pau Lin, "A Multi-Function ISDN Home Communication System", IEEE International Conference on Consumer Electronics, pp. 368-369, Jun. 1990.
Kirwan Stephen A.
McMaster Samuel
Hofsass Jeffery
Hong Harry S.
The Post Office
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