Active sessions and dialogs may be moved between connections and P-CSCFs. For example, in some embodiments either new bindings may be created with a different connection for a Public User ID or the UE may re-register one or more specific bindings for a Public User ID from one connection to another. The...http://www.google.fr/patents/US7746836?utm_source=gb-gplus-shareBrevet US7746836 - Method and apparatus for re-registration of connections for service continuity in an agnostic access internet protocol multimedia communication system
Method and apparatus for re-registration of connections for service ...
