Patent ID: 11877351
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. A network node implementing an Access and Mobility Management Function, AMF, node acting as a network function, NF, consumer configured to be operative in a Fifth Generation System, 5GS, that comprises a User Equipment, UE, associated with a Subscriber Permanent Identifier, SUPI, that is associated with subscription data of the UE, the AMF node comprising:
a network interface; and
processing circuitry associated with the network interface, the processing circuitry configured to cause the network node to implement the AMF node, the AMF node adapted to:
send, towards a Session Management Function, SMF, node, a request relating to a Protocol Data Unit, PDU, Session of the UE and comprising a Request Type that is set to Existing PDU Session; and
receive, from the SMF node, a response comprising a Generic Public Subscription Identifier, GPSI, associated with the PDU session of the UE, which UE is associated with the SUPI and which GPSI an external identifier is to be used in networks outside the 5GS for addressing the subscription data of the UE.