Method and apparatus for transmitting data over a signalling cha

Details Method and apparatus for transmitting data over a signalling cha Method and apparatus for transmitting data over a signalling cha

1991-08-09

1996-02-06

Kim, Ken S.

Boots, shoes, and leggings

395280, 364DIG1, 364DIG2, 364401, 379 91, 379 93, 3701101, 370 951, G06F 1516, H04M 322

Patent

active

054902517

ABSTRACT:
A communication system for exchanging information between a remote terminal and a host terminal over a signalling channel of an ISDN network which does not need to establish communication over voice or data channels of the ISDN is disclosed. The communication system transmits credit transactions such as authorization requests from a remote terminal to a host computer, processes such transactions, and transmits a response back to the terminal, in which all such communication is performed over a signalling channel of ISDN. Preferably, the authorization request as well as the response from the host includes a "user-user information element" and are formatted in accordance with the CCITT Q.931 standard.

REFERENCES:
patent: 4317957 (1982-03-01), Sendrow
patent: 4654482 (1987-03-01), DeAngelis
patent: 4755992 (1988-07-01), Albal
patent: 4891503 (1990-01-01), Jewell
patent: 4999836 (1991-03-01), Fujiwara
patent: 5043983 (1991-08-01), Dorst et al.
patent: 5159594 (1992-10-01), Bales et al.
patent: 5184345 (1993-02-01), Sahni

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