H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 7/22 (2006.01) H04Q 7/38 (2006.01)
Patent
CA 2272959
A system and method of ensuring that a called mobile station's expected service type matches a calling party's service type in a radio telecommunications network in which both voice service and data service are provided. A service code generator (51) in a serving mobile switching center (MSC)(22) generates a service code that indicates the calling party's service type. The service code is sent in a page (29) from the serving MSC to the mobile station (24), and includes the service code. An expected service code generator in the called mobile station generates an expected service code that indicates the called mobiles station's expected service type. The expected service code is sent in a page response (32) from the mobile station to a border MSC (26) that borders the serving MSC. The border MSC (26) extracts the expected service code and sends it to the serving MSC (22) where it is compared with the calling party's service code. If the service codes match, the call is connected to be mobile station. If the service codes do not match, the mobile station is denied access to the radio telecommunications network.
L'invention concerne un système et un procédé assurant qu'un type de service attendu par une station mobile appelée correspond à un type de service du correspondant demandeur dans un réseau de radiotélécommunications dans lequel des services à la fois vocaux et de données sont offerts. Un générateur (51) de code de service, dans un centre de commutation mobile (MSC) (22) de desserte génère un code de service indiquant le type de service du correspondant appelant. Le code service est envoyé dans un appel (29) provenant du MSC de desserte à la station mobile (24) et il contient le code de service. Un générateur de code de service attendu dans la station mobile appelée génère un code de service attendu indiquant le type de service attendu par la station mobile appelée. Le code de service attendu est envoyé dans une réponse (35) à l'appel de la station mobile à une MSC (26) de frontière bordant le MSC de desserte. Le MSC (26) de frontière extrait le code de service attendu et l'envoie au MSC (22) de desserte où ledit code est comparé au code service du correspondant appelant. Si le code de service correspond, l'appel est transmis à la station mobile. Si le code de service ne correspond pas, la station mobile se voit refuser l'accès au réseau de radiotélécommunications.
Corriveau Michel
Minichiello Pat
Ericsson Canada Patent Group
Telefonaktiebolaget Lm Ericsson
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