Patent ID: 11910347
Assignee: NOKIA TECHNOLOGIES OY
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. An apparatus comprising at least one processor and at least one memory including computer program code for one or more programs, the at least one memory and the computer program code configured to, with the at least one processor of a core network apparatus, cause the core network apparatus at least to:
receive a registration request originated from a user equipment in a communication network;
construct a registration accept message, wherein the registration accept message includes an indication comprising an access stratum connection establishment network slice selection assistance information (NSSAI) inclusion mode parameter, the access stratum connection establishment NSSAI inclusion mode parameter defining whether NSSAI should be included by the user equipment in an access stratum connection establishment procedure, wherein the access stratum connection establishment NSSAI inclusion mode parameter is derived based on a set of policies implemented in one or more radio access nodes in a registration area of the communication network;
cause transmission of the registration accept message towards the user equipment; and
receive a connection establishment message originated from the user equipment according to the access stratum connection establishment network slice selection assistance information inclusion mode parameter.