The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. And a method, user equipment (UE) and telecommunication network are provided. The method of managing short message service (SMS) functionality in a UE operable with a telecommunication network includes informing, by the network, the UE of a change in an SMS subscription status for the UE.