| 摘要 |
An object of the invention is a method for inquiring about information relating to a terminal (MS) of a cellular network, from the cellular network from a messaging server (MMSC) external to the cellular network. The method comprises sending an inquiry from the messaging server (MMSC) to the cellular network, to determine said information relating to the terminal (MS), the inquiry comprising a first identifier for identifying said terminal (MS), the first identifier being a specific identifier external to the cellular network. In the cellular network said first identifier is mapped to a specific second identifier, which is an internal identifier of the cellular network. Said information relating to the terminal (MS) is determined with the aid of said second identifier. A response message is sent from hte cellular network to said messaging server (MMSC) external to the cellular network in response to said inquiry. In the response message, said information relating to the terminal (MS) is indicated with the aid of said first identifier. Furthermore, an object of the invention is a system implementing the method and a server (MMSC) and a network element of a cellular network (GGSN), as well as computer program products implementing the method.
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