Method of automatically reconnecting a dropped call in a...

Details Method of automatically reconnecting a dropped call in a... Method of automatically reconnecting a dropped call in a...

H - Electricity

04

Q

H04Q 7/38 (2006.01) H04M 3/42 (2006.01) H04Q 7/22 (2006.01)

Patent

CA 2319630

An automatic dropped call reconnection method in a mobile communicating system is described. In the method of reconnecting a communication link terminated by a service impediment during service between a mobile terminal of a first subscriber and a terminal of a second subscriber communicating with the first subscriber through one of a plurality of base stations (BSs) connected to the mobile terminal and at least one of a plurality of mobile switching centers (MSCs) connected to the BS in a mobile communication system having the plurality of BSs and the plurality of MSCs, an MSC contacts a location register which registers the previous location of the mobile terminal when one of the plurality of BSs and the MSC connected to the BS receive a location registration request message from the mobile terminal after the service impediment. Then, the MSC determines whether information about the mobile terminal registered in the location register indicates service in progress, and attempts reconnection paging with the mobile terminal to thereby reinitiate the terminated service between the mobile terminal of the first subscriber and the terminal of the second subscriber, if the mobile terminal information indicates service in progress.

L'invention concerne un procédé de rétablissement automatique d'appel perdu dans un système de communication mobile. Une liaison est perdue pour cause de défaillance de service, en cours d'appel entre un terminal mobile de premier abonné et un terminal de second abonné communiquant entre eux via une station de base d'une pluralité de stations de base reliée au terminal mobile et au moins un commutateur d'une pluralité de commutateurs de réseau mobile relié à la station de base, dans un système de communication mobile qui comprend les deux pluralités en question. Un commutateur du réseau mobile entre en contact avec le registre de localisation détenant l'information de localisation précédente du terminal mobile correspondant au moment où une des stations de base et un des commutateurs du réseau mobile relié à la station de base reçoivent un message de demande d'enregistrement de la part du terminal mobile après la défaillance de service. Le commutateur de réseau mobile détermine alors si l'information détenue indique un service en cours de progression et tente de retrouver le terminal mobile, afin de reprendre le service interrompu entre le terminal mobile du premier abonné et le terminal du second abonné, si ladite information indique un service en cours de progression.

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