Method for preventing call congestion on outgoing trunks of...

Details Method for preventing call congestion on outgoing trunks of... Method for preventing call congestion on outgoing trunks of...

H - Electricity

04

Q

H04Q 3/18 (2006.01) H04Q 3/00 (2006.01) H04Q 3/66 (2006.01)

Patent

CA 2228189

A system and method of preventing call congestion on outgoing trunks of a local telephone exchange is provided. A virtual trunk group representing a percentage of the total trunk capacity is assigned at the local exchange for carrying calls which are likely to cause congestion. In one embodiment of the invention, call segregation is achieved by using the prefixed dialling code 1+1 followed by the destination number. In another embodiment of the invention, segregation is dynamically achieved using Advanced Intelligent Network (AIN) routing.

Système et méthode permettant d'empêcher l'encombrement d'appels sur des circuits de départ d'un central téléphonique local. Un groupe de circuits virtuels représentant un pourcentage de la capacité totale en circuits est affecté au central local pour l'acheminement d'appels susceptibles de causer des encombrements. Dans une version de l'invention, la discrimination des appels se fait au moyen du code de composition à préfixe 1+1 suivi du numéro de destination. Dans une autre version, elle se fait dynamiquement au moyen de l'acheminement par réseau intelligent de pointe (AIN).

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