CPC H04W 48/20 (2013.01) [H04W 8/02 (2013.01); H04W 8/20 (2013.01); H04W 48/16 (2013.01); H04W 84/042 (2013.01)] | 16 Claims |
1. One or more processors of an Access and Mobility Function (AMF) configured to perform operations comprising:
receiving a request from a new AMF for a user equipment (UE) context transfer for a UE registered to the AMF with a first access type, wherein the request includes an indication of a second access type for the UE to register with the new AMF;
determining that an interface cannot be relocated to the new AMF; and
returning to the new AMF a subscription permanent identifier (SUPI) of the UE and an indication that a registration request procedure is validated for integrity protection without including an entire UE context in response to determining that the interface cannot be relocated to the new AMF.
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