Network based tariff acquisition system for roaming mobile subsc

Telecommunications – Radiotelephone system – Usage measurement

Patent

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Details

455407, 455408, H04Q 720

Patent

active

061672505

ABSTRACT:
A method of obtaining tariff rates on a plurality of candidate service providers accessible to a roaming mobile subscriber for use in choosing the most suitable candidate service provider in a visited area. The method includes initiating registration by the mobile subscriber to a first candidate service provider. A request for subscriber's profile information is made by the first candidate service provider to the subscriber's home service provider. Additionally, the first candidate service provider sends the intended tariff rate to be charged to the subscriber to the home provider. The home provider determines which other candidate providers are accessible by the subscriber and requests tariff information regarding these providers. The home provider may then determine the most suitable provider based on the received tariff information e.g. the lowest tariff. If the provider of the currently pending registration is determined to be the most suitable, the registration process continues and the subscriber remains registered with the first candidate service provider. If on the other hand a second candidate service provider is most suitable, the home provider notifies the subscriber of this information via an SMS message, for example. The subscriber can then register with the appropriate provider either manually or automatically in response to the notification.

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