Patent ID: 11943842
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. A method for establishing a user-requested protocol data unit (PDU) session in a user's visited public land mobile network (VPLMN), the method performed by a session management function (H-SMF) in the user's home PLMN (HPLMN) and comprising:
receiving, from a session management function (V-SMF) in the user's VPLMN, a PDUSession_Create Request to create the PDU session to be routed through the user's HPLMN, wherein the PDUSession_Create Request includes an identifier of a session management (SM) context, in the V-SMF, that is associated with the PDU session; and
sending, to the V-SMF, a PDUSession_Update Request that includes an identifier of an SM context, in the H-SMF, that is associated with the PDU session.