A method improves mobility and service recovery for a user in a wireless communication
network. Service information concerning the user is stored in a registrar. A subscription
message is sent from a user terminal to the registrar. A header in the subscription
message contains a unique indication. In response to the subscription message containing
a unique indication in a header, the registrar returns a notification message to
the user terminal. The payload of the notification message includes service information
for the user to be used by the user terminal for communication services.
