System for updating home zone areas due to network changes

摘要

The present invention relates to a communications system for providing service to the users of the communications system by an air interface medium in a geographical area, said communications system comprising nodes and end user terminal devices, which nodes deliver radiation to the geographical area and provide the air interface for said terminal devices, wherein for at least some of the users one or more zones are provided in which location based billing and/or location based services which differ(s) from billing and/or services outside of the zone are offered to the user, said communications system further comprising determining means for determining whether the user is located in a zone and update means for updating said determining means, wherein the update means is adapted to update said determining means prior to implementing changes of the nodes in the communications system.