Signal transmission method and device

Details Signal transmission method and device Signal transmission method and device

1997-02-07

1999-05-25

Hsu, Alpus H.

Multiplex communications

Pathfinding or routing

Through a circuit switch

370524, 379 9306, 379243, H04J 312, H04M 1100

Patent

active

059075490

ABSTRACT:
The object of the present invention is to provide effective technique to inform a subscriber who is a member of a communication service of ISDN about an activated communication service accurately. The present invention relates to the method and system in which the switching system provided to control communication with each ISDN subscriber terminal and where character string showing the names of communication services are stored, writes a character string showing the names of communication service activated for a subscriber terminal to a call setup request acknowledgment signal to be sent in response to a call setup request signal from the subscriber terminal.

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"Read Your Display", 2323 Telecom Report, 16(1993)Mai/Juni, No. 3, Munchen, DE, pp. 170-171.
"The RENAN Project: Opening Up ISDN in France", Marc Trouvat, IEEE Communications Magazine, Dec. 1987-vol. 25, No. 12, pp. 64-69.

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