Patent ID: 7778638

Claim:
A broadcast roaming method by a home broadcast subscription management (BSM) server for a terminal, the method comprising: receiving, by the home BSM server from the terminal, a service request message, wherein the service request message comprises information with respect to a visited BSM server, and at least one of a user identification and a device identification; sending, by the home BSM server to the visited BSM server, based on the information on the visited BSM server included in the service request message, a roaming service request message including the information with respect to the visited BSM server, and the user identification; receiving, by the home BSM server from the visited BSM server, a roaming service response message including a global status code in response to the roaming service request message, wherein if the roaming service fails, the global status code indicates that a service provider identification in the information is unknown, that a BSM identification in the information is unknown, or that an authorization of the device or the user failed; and sending, by the home BSM server to the terminal, a response message in response to the service request message, the response message including the global status code.