Channel selection method for an ISDN line and an ISDN switching

Details Channel selection method for an ISDN line and an ISDN switching Channel selection method for an ISDN line and an ISDN switching

1996-12-04

1999-09-28

Vu, Huy D.

Multiplex communications

Channel assignment techniques

370904, H04L 1228

Patent

active

059599987

ABSTRACT:
An H channel for controlling the use of network is selected to effectively use lines when a request for H communication is issued. An ISDN line channel selection method, whereby a plurality of B channels are bundled and serve as an H channel, and the B channels are selected according to a condition under which each of the B channels to be used is registered as either an H channel dedicated class or H channel shared use class. The method includes the steps of temporarily changing the b channels from the H channel shared use class to the H channel dedicated class if the B channels in the H channel shared use class are busy when a request for connection of the H channel has been received from a transmission side, queuing until the B channels that form the H channel dedicated class are idle, and connecting the transmission side to the H channel when the B channels that form the H channel dedicated class are idle. The class of the B channels that has been changed to an original class when connection has been completed or when communication has been terminated and disconnected, is restored.

REFERENCES:
patent: 5463629 (1995-10-01), Ko
patent: 5561771 (1996-10-01), Harriman, Jr. et al.
patent: 5574724 (1996-11-01), Bales et al.
patent: 5574861 (1996-11-01), Lorvig et al.
patent: 5615213 (1997-03-01), Greifer

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