ESTABLISHING A NON-ACCESS STRATUM COMMUNICATION LINK BETWEEN A USER EQUIPMENT AND ONE OF A PLURALITY OF NETWORK FUNCTIONS OR SERVICES OF A TELECOMMUNICATIONS NETWORK

原文（中文）

A method for establishing a non-access stratum communication link between a user equipment and one of a plurality of network functions or services of a telecommunications network includes: in a first step, a non-access stratum security context is established between the user equipment and a user equipment bootstrapping function or service; in a second step, the user equipment bootstrapping function or service provides a non-access stratum endpoint information regarding a specific network function or service or regarding a specified network function or service corresponding to a specific kind of network function functionality; and in a third step, the non-access stratum endpoint information is used to establish a considered non-access stratum security context and/or to conduct authentication of the user equipment with regard to either the specific network function or service, or the specified network function or service corresponding to the specific kind of network function functionality.