Abstract: The invention relates to the provision of deferred location reporting wherein the reporting is triggered by a trigger location change event. Trigger location change events are either related to a user of a cellular telecommunication network entering, leaving or changing an area, or to an area, which is entered or left by a user.

Abstract: A method for sending (700) information enabling a contacting of a user of a mobile device (MS) to at least one location service client (CL1,CL2) is disclosed. The method comprises the steps of selection (200) of a type of location service clients on the mobile device (MS), transmission (300) of a type identifier from the mobile device (MS) to a server (NS) in a telecommunication system, the type identifier identifying the selected type of location service clients, analysis (400) of the type identifier for a determination (500) of one or more location service clients (CL1,CL2) associated (100) with the selected type of location service clients, determination (600) of at least one address of the one or more determined location service clients (CL1,CL2) according to a result of the analysis (400), and sending (700) information enabling the contacting of the user to the one or more location service clients (CL1,CL2) whose addresses are determined.