Error Handling

While provisioning the usage monitoring on SMF and its actions, following errors can occur:

  • If PCF has defined invalid thresholds, the SMF marks the PCC rule as failed or invalid when the Session rule or PCC rule has the reference of monitoring key (UmId) with the invalid thresholds.

  • If PCF removes or doesn't configure the US_RE flag between the message exchanges where usage monitoring is active in the SMF, the SMF sends the Remove URR request to UPF in the Modification Request with the available URRs that are created for the N7 interface.