Number portability using enhanced routing table

Details Number portability using enhanced routing table Number portability using enhanced routing table

H - Electricity

04

Q

H04Q 3/47 (2006.01) H04M 3/42 (2006.01)

Patent

CA 2199432

A method of providing number portability for the treatment of calls from a calling party to a specific number of a ported called party is disclosed. Once the dialed digits are received at a switching office serving the calling party, a determination is made of whether the call is a number that has been ported. If the number has been ported, the new routing information is obtained from an enhanced directory number table resident at the originating office. In the event that the originating office is unable to offer LRN service, information is obtained at an alternate office. Routing information is updated automatically and directly from a network Service Management System (SMS) to each telephone exchange.

L'invention est une méthode de transférabilité des numéros pour le traitement des appels faits par un demandeur à un numéro à dérivation. Quand les chiffres composés sont reçus au central qui dessert le demandeur, le système de l'invention détermine si l'appel est destiné à un numéro à dérivation. Si tel est le cas, la nouvelle information d'acheminement est obtenue d'un répertoire augmenté conservé au central. Si ce central ne peut offrir le service de dérivation, l'information est obtenue d'un autre central. L'information d'acheminement est mise à jour automatiquement et directement par un système de gestion de services associé à chaque central téléphonique.

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