Method and arrangement for controlling traffic over two-way trun

Details Method and arrangement for controlling traffic over two-way trun Method and arrangement for controlling traffic over two-way trun

1978-12-01

1980-04-22

Brown, Thomas W.

H04M 710

Patent

active

041996658

ABSTRACT:
A toll switching office is disclosed having an arrangement for reserving a portion of a two-way trunk group for incoming calls only. As each outgoing call is offered to the trunk group the number of idle trunks is compared to the threshold of trunks to be reserved for incoming calls. If the number of idle trunks in the group is less than the threshold the treatment of the outgoing call is determined by its class which is defined by parameters such as its prior routing, its destination, etc. More calls in a class having a high probability of blocking are selectively denied access to the trunk groups than calls more likely to complete to their destination.

REFERENCES:
patent: 3504129 (1970-03-01), Ewin et al.
patent: 3700822 (1972-10-01), Fritschi

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