Table S.3.2.3.4-1 defines the specific Status Code values that might be returned in a N-ACTION response. See PS3.7 for general response Status Codes.
Table S.3.2.3.4-1. Response Statuses
Service Status
Further Meaning
Status Codes
Failure
Failed: Media creation request already completed.
C201
Failed: Media creation request already in progress and cannot be interrupted.
C202
Failed: Cancellation denied for unspecified reason.
C203