Extension agent system of ISDN electronic exchange

Details Extension agent system of ISDN electronic exchange Extension agent system of ISDN electronic exchange

1992-09-15

1994-07-12

Dwyer, James L.

Multiplex communications

Wide area network

Packet switching

379265, 379211, 3701101, H04J 302, H04Q 1104, H04M 354

Patent

active

053295234

ABSTRACT:
An extension agent system of an ISDN electronic exchange having a switching network to which interfaces grouped into groups are connected, wherein extension agent numbers are respectively assigned to the groups of the interfaces and each interface includes a plurality of channels, has a management unit which manages first information indicating, for each interface, the number of channels being used and second information indicating, for each interface, the number of available channels. The management unit includes a table which stores third information indicating, for each of the groups of the interfaces, a sequence of the interfaces to be accessed such that one of the interfaces receives a call having the extension agent number. The system also has a control unit which selects one of the interfaces for receiving a call having the extension agent number on the basis of the first information, the second information and the third information.

REFERENCES:
patent: 4656623 (1987-04-01), Dalby, Sr. et al.
patent: 4888766 (1989-12-01), Ogasawara
patent: 4988209 (1991-01-01), Davidson et al.
patent: 5023868 (1991-06-01), Davidson et al.
patent: 5062103 (1991-10-01), Davidson et al.
patent: 5168515 (1992-12-01), Gechter et al.

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