(57) ABSTRACT A method and System of finding out about and downloading Software
updates to a terminal, in which the terminal sends a Standardized Subscribe request for
Software updates, and a Server responds by Sending an initial notify message back to the
Sending terminal only, the initial notify message having content defined by an event
package. This System and method utilize an application layer protocol called Session
Initiation Protocol, and the event package requires informa tion as to Software name, update …