SERVICE PROCESSING METHOD, SYSTEM AND RELATED DEVICE

摘要

Provided are a service processing method, system and related device.The method comprises: a mobility management entity (MME) receiving an access request message sent by a user equipment (201);the MME acquiring indication information (202);and if the MME has already been registered as a short message serving node and it is determined that the MME is no longer used as the short message serving node according to the indication information, the MME notifying a home subscriber server (HSS) to cancel the registration of the MME as the short message serving node (203).