Call distribution arrangement

Details Call distribution arrangement Call distribution arrangement

1986-02-28

1988-07-12

Brown, Thomas W.

Telephonic communications

Centralized switching system

Class of service determination or transmission

370 60, 379214, 379266, H04M 350, H04Q 364, H04Q 370, H04Q 1104

Patent

active

047575298

ABSTRACT:
In a telecommunication switching system, incoming calls of various call types directed to a group of associated subscriber terminals are queued by call type and distributed on a priority basis. A separate queue is created for each call type and a table is provided which defines a number of priority levels and the call types to be served in each priority level. A priority frequency array is used for each of the terminals to assure that each terminal serves calls at the various priority levels with a prescribed frequency. When calls of different types but having the same priority level are waiting to be served, the oldest call will be selected on the basis of a time-of-day stamp recorded with each call on queue.

REFERENCES:
patent: 3297829 (1967-01-01), Germantown
patent: 3969589 (1976-07-01), Meise, Jr. et al.
patent: 4048452 (1977-09-01), Oehring et al.
patent: 4145578 (1979-03-01), Orriss
patent: 4289934 (1981-09-01), Pitroda et al.
patent: 4436962 (1984-03-01), Davis et al.
patent: 4656624 (1987-04-01), Collins et al.
R. Sedgewick, Chapter 11, "Priority Queues", Algorithms, Addison-Wesley Pub. Co., 1983, pp. 127-141.

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