Method and apparatus for providing short message services for packet switching-only subscription in mobile communications network

摘要

The present disclosure relates to a method of a mobile management entity for providing SMS services for a packet switching-only subscription in an LTE mobile communication network. Particularly, the method may include transmitting a short message to a user equipment and transmitting, to a subscription information server, information indicating the user equipment is not reachable if the transmission of the short message fails.

主权项

1. A short message delivery method, executed by a Mobility Management Entity (MME) in a mobile communication network that provides a Packet Switching (PS)-only service, the method comprising:
transmitting, by the MME, information indicating that a short message service (SMS) function is supported by the MME, to a subscriber information server, to register the MME as a serving node for an incoming SMS service when the MME is configured to support the SMS function; performing, by the MME, a delivery of a short message to a User Equipment (UE); and delivering, by the MME, information indicating that the UE is not reachable, to the subscriber information server when the delivery of the short message to the UE fails.