Nokia Corporation

Sisvel International S.a.

Mikael Heerman

Jaakko Rajaniemi

Heikki Tuunanen

Mikka Poikselkä

Miika Poikselkä

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 () of the subscriber to a new serving network element () is initiated in response to the result of a checking step for checking whether a capability of a network element () serving a terminal device () 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.

Method and system for changing a subscription

A communication system comprising a multimedia network and an entity that is external to the multimedia network and arranged to subscribe to the multimedia network for notifications regarding events that associates with at least one other entity of the communication system. The multimedia network comprises an information storage entity for storing user information and call state control function entities. The arrangement being such that subscription messages from the external entity are routed to at least one call state control function entity based on information stored in said information storage entity. The at least one call state control function entity is provided with storage means for storing information received in said subscription messages, and the at least one call state control function entity sends a notification in response to an event defined by said information stored at the storage means.

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Espoo, Finland

Mikael Heerman