Method and system for changing a subscription

摘要

The present invention relates to a method and system for changing a subscription information of a subscriber in a data network. When a subscriber profile or subscription information is changed or updated, this is detected and a registration procedure for registering a terminal device (40) of the subscriber to a new serving network element (12) is initiated in response to the result of a checking step for checking whether a capability of a network element (10) serving a terminal device (40) of said subscriber is still in accordance with said changed subscription information. Thereby, an automatic or semi-automatic adaptation of the serving entity to the changed subscription can be achieved.