US Patent 7245709 Portability of subscriber features in a telecommunication system

A telephone subscriber is provided with call features associated with his home telephone line when the subscriber is at a remote (different) telephone line. Aspects include: registration of the subscriber at a remote telephone line with association of the subscriber's normal call feature set with the remote line; processing of incoming calls for the subscriber so that the calls reach the subscriber at the remote line with the subscriber's call feature set being available to handle processing of the incoming call; processing of outgoing calls from the subscriber at the remote line so that the calls are processed with the subscriber's call feature set.