Call and connection set up system in transmission network

Details Call and connection set up system in transmission network Call and connection set up system in transmission network

1994-12-22

1995-08-22

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 601, 370 79, 3701101, 379220, H04J 312

Patent

active

054446996

ABSTRACT:
A direct path (D-PATH) to be used by a call link is set up in advance between all of the nodes. A connection link is to use a route separate from this direct path. In this way, if layer incompatibility is detected between a transmission terminal (13) and a receiving terminal (13) at the time of a call link, a connection path (C-PATH) separate from the direct path (D-PATH) is set up from a transmission node (8) to a receiving node (8) via a data exchange node. In this way various B-ISDN services can be realized.

REFERENCES:
patent: 4805166 (1989-02-01), Ardon et al.
patent: 4991204 (1991-02-01), Yamamoto et al.
patent: 5050005 (1991-09-01), Kagami
patent: 5051982 (1991-09-01), Brown et al.
patent: 5224098 (1993-06-01), Bird et al.

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