Internode routing for a telephone system

Details Internode routing for a telephone system Internode routing for a telephone system

H - Electricity

04

Q

H04Q 3/00 (2006.01) H04M 3/42 (2006.01) H04M 11/04 (2006.01) H04M 3/54 (2006.01)

Patent

CA 2102865

An internode routing for an emergency telephone system (14) having a first switch (16) for routing telephone calls, a second switch (18) for routing telephone calls, a device (16 or 18) for defining emergency service zones for each of the first and second switches (16 or 18), and a device (16) for transferring a telephone call placed to the first switch (16) to the second switch (18) for completion to a public safety answering point responsive to the condition of the public safety answering point being located in the emergency service zone associated with the second switch (18).

Acheminement internoeud pour système téléphonique d'urgence (14) comprenant un premier commutateur (16) pour acheminer des appels téléphoniques, un deuxième commutateur (18) pour acheminer des appels téléphoniques, un dispositif (16 ou 18) permettant de définir des zones de service d'urgence pour le premier et le deuxième commutateurs (16 ou 18), et un dispositif (16) pour transférer un appel téléphonique du premier commutateur (16) au deuxième commutateur (18) afin de l'acheminer à un centre récepteur d'appels de sécurité publique selon l'état du centre récepteur d'appels de sécurité publique situé dans la zone de service d'urgence associée au deuxième commutateur (18).

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