Päätelaitteen paikannus

摘要

The invention relates to a method and system for obtaining the location information of a terminal device of a telecommunication network, in which method a context associated with the opening of a data-transmission connection is created and location-dependant service request is sent to the service provider by means of the terminal device. According to the invention, the IP address allocated to the context and the subscriber identifier of the user of the terminal device are found out; the IP address allocated to the context and the subscriber identifier of the user of the terminal device are saved to the database; an inquiry is sent from the service provider that contains the IP address allocated to the context; based on the inquiry, the subscriber identifier associated with the IP address is checked from the database; the piece of location information of the subscriber is found out based on the subscriber identifier utilizing the location server; and the piece of location information is sent from the location server to the service provider.