Error Handling on AUSF Interface
Application Error |
Description |
NAS Cause Code |
Response to UE |
---|---|---|---|
403 Forbidden |
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SERVING_NETWORK_ NOT_AUTHORIZED |
The serving network is not authorized. For example, serving PLMN |
#11, PLMN not allowed |
Registration Reject |
AUTHENTICATION_ REJECTED |
The user cannot be authenticated with this authentication method. For example, only SIM data available |
#3, Illegal UE |
Registration Reject |
INVALID_HN_PUBLIC_ KEY_IDENTIFIER |
Invalid HN public key identifier received. |
#3, Illegal UE |
Registration Reject |
INVALID_SCHEME_ OUTPUT |
SUCI cannot be decrypted with received data. |
#3, Illegal UE |
Registration Reject |
404 Not Found |
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CONTEXT_NOT_FOUND |
The AUSF cannot found the resource corresponding to the URI provided by the NF Service Consumer. |
#7, 5GS services not allowed |
Registration Reject |
USER_NOT_FOUND |
The user does not exist in the HPLMN. |
#7, 5GS services not allowed |
Registration Reject |
501 Not implemented |
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UNSUPPORTED_ PROTECTION_SCHEME |
The received protection scheme is not supported by HPLMN. |
#11, PLMN not allowed |
Registration Reject |
The following errors are temporary. The AMF rejects the request from the UE so that it can try another network.
AUSF Application Error |
HTTP Status Code |
Description |
---|---|---|
UPSTREAM_SERVER_ERROR |
504 Gateway Timeout |
Registration Reject with cause #15, No suitable cells in tracking area |
NETWORK_FAILURE |
504 Gateway Timeout |
Registration Reject with cause #15, No suitable cells in tracking area |
AV_GENERATION_ PROBLEM |
500 Internal Server Error |
Registration Reject with cause #15, No suitable cells in tracking area |