- Maximum sessions per APN limit is not reached yet but no slots are available
- Maximum sessions per APN limit is reached but binding state is early
- Maximum sessions per APN limit is reached but the lifetime of existing session to be replaced is less than the Maximum Early Binding Lifetime (configured in )
Each time this measurement is pegged, P-DRA generates:
- Error answer message using the Policy SBR Error result code. The Error-Message AVP contains a three-digit code that indicates the specific reason for the failure
- Event 22719 with the reason in additional information