H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 76/02 (2009.01) H04W 4/16 (2009.01) H04W 68/00 (2009.01) H04M 3/48 (2006.01)
Patent
CA 2297110
A method and system of completing calls to busy mobile subscribers in a radio telecommunications network. The system includes a gateway mobile switching center (G-MSC) to provide switching functions to a mobile station (MS) in a home service area, a home location register (HLR) providing a location of the MS to the G-MSC, a visitor mobile switching center (V-MSC) to provide switching functions to the MS when the MS roams outside the home service area, and a service control point (SCP) which includes service logic for periodically initiating a call attempt to the MS to determine if the MS is busy. When the calling party attempts to call a busy MS, the calling party may request an automatic callback service. The G-MSC releases all trunks from the calling party and the MS and notifies the SCP. The SCP periodically initiates a call attempt to ascertain whether the MS is idle. Upon determining that the MS is idle, the G-MSC connects the call between the calling party and the MS.
L'invention concerne un procédé et un système permettant d'établir des liaisons vers des abonnés mobiles occupés dans un réseau de radiocommunications. Le système comprend un centre de commutation mobile passerelle (G-MSC) destiné à fournir des fonctions de commutation à une station mobile (MS) d'une zone de desserte locale, un registre de localisation nominal (HLR) donnant au G-MSC la localisation de la station mobile, un centre de commutation mobile visiteur (V-MSC) destiné à fournir des fonctions de commutation à la station mobile lorsque cette dernière est en itinérance hors de la zone de desserte locale, et un point de commande de service (SCP) qui comprend une logique de services permettant de tenter périodiquement d'appeler la station mobile pour vérifier si cette dernière est occupée. Lorsque la partie appelante tente d'appeler une station mobile occupée, elle peut demander un service de rappel automatique. Le G-MSC libère toutes les lignes réseau partant de la partie appelante et de la station mobile et le signale au SCP qui fait périodiquement une tentative d'appel pour savoir si la station mobile est libre. Et si la station mobile est libre, le G-MSC connecte l'appel entre la partie appelante et la station mobile.
Ericsson Canada Patent Group
Telefonaktiebolaget Lm Ericsson
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