Emergency call handling in a voice-over-packet environment

Details Emergency call handling in a voice-over-packet environment Emergency call handling in a voice-over-packet environment

H - Electricity

04

L

H04L 12/56 (2006.01) H04L 12/66 (2006.01) H04M 3/42 (2006.01) H04M 11/06 (2006.01) H04Q 3/64 (2006.01) H04Q 3/70 (2006.01)

Patent

CA 2487656

A method of routing an emergency call received at a network element. The method comprises determining a directory number associated with a communication device having originated the emergency call, consulting a local database to obtain routing information associated with the directory number, and directing the call and the routing information over a path dedicated to emergency calls. Also, a network element which comprises the database as well as a control entity, the control entity being operative for receiving an incoming call originated by one of the communication devices, determining the directory number associated with the communication device having originated the call, determining whether the call is an emergency call and, responsive to the call being an emergency call, accessing the database to obtain the routing information related to the directory number and directing the call as well as the routing information over a trunk group dedicated to emergency calls.

Une méthode d'acheminement d'un appel d'urgence reçu à un élément de réseau. La méthode comprend la détermination d'un numéro de répertoire associé à un dispositif de communication ayant placé l'appel d'urgence, la consultation d'une base de données locale pour obtenir l'information d'acheminement associé au numéro du répertoire, et l'envoi de l'appel et de l'information d'acheminement sur un trajet dédié aux appels d'urgence. En plus, un élément de réseau qui comprend la base de données ainsi qu'une entité de contrôle qui fonctionne pour recevoir un appel entrant provenant d'un des dispositifs de communication, qui détermine le numéro de répertoire associé au dispositif de communication ayant placé l'appel, qui détermine si l'appel est un appel d'urgence et, pour réagir à l'appel qui est un appel d'urgence, qui consulte la base de données pour obtenir l'information d'acheminement associée au numéro de répertoire et qui envoie l'appel ainsi que l'information d'acheminement sur un faisceau dédié aux appels d'urgence.

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