CPC H04W 8/26 (2013.01) [H04W 8/183 (2013.01); H04W 8/20 (2013.01)] | 12 Claims |
1. A method by an Access and Mobility Management Function, AMF, node, acting as a network function, NF, consumer 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 method comprises:
sending towards a Session Management Function, SMF, node acting as a NF service producer, 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
receiving, 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 is an external identifier to be used in networks outside the 5GS for addressing the subscription data of the UE.
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