What's New in This Guide

This section introduces the documentation updates for release 25.1.2xx.

Release 25.1.204 - G29445-05, August 2026

There is no change to this document in this release.

Release 25.1.203 - G29445-04, April 2026

There is no change to this document in this release.

Release 25.1.202 - G29445-03, February 2026

There is no change to this document in this release.

Release 25.1.201 - G29445-02, January 2026

There is no change to this document in this release.

Release 25.1.200 - G29445-01, July 2025

  • Added the following alerts to Support Reattempt after Backoff during N1N2 Communication feature:
    • AUDIT_TIMER_CAPACITY_FOR_UE_N1N2_TRANSFER_FAILURE_NOTIFICATION_ABOVE_MINOR_THRESHOLD
    • AUDIT_TIMER_CAPACITY_FOR_UE_N1N2_TRANSFER_FAILURE_NOTIFICATION_ABOVE_MAJOR_THRESHOLD
    • AUDIT_TIMER_CAPACITY_FOR_UE_N1N2_TRANSFER_FAILURE_NOTIFICATION_ABOVE_CRITICAL_THRESHOLD
    • AUDIT_TIMER_CAPACITY_FOR_UE_AMF_DISCOVERY_ABOVE_MINOR_PERCENT
    • AUDIT_TIMER_CAPACITY_FOR_UE_AMF_DISCOVERY_ABOVE_MAJOR_PERCENT
    • AUDIT_TIMER_CAPACITY_FOR_UE_AMF_DISCOVERY_ABOVE_CRITICAL_PERCENT
    • AUDIT_TIMER_CAPACITY_FOR_UE_N1N2_SUBSCRIBE_ABOVE_MINOR_PERCENT
    • AUDIT_TIMER_CAPACITY_FOR_UE_N1N2_SUBSCRIBE_ABOVE_MAJOR_PERCENT
    • AUDIT_TIMER_CAPACITY_FOR_UE_N1N2_SUBSCRIBE_ABOVE_CRITICAL_PERCENT
    • AUDIT_TIMER_CAPACITY_FOR_UE_N1N2_TRANSFER_ABOVE_MINOR_PERCENT
    • AUDIT_TIMER_CAPACITY_FOR_UE_N1N2_TRANSFER_ABOVE_MAJOR_PERCENT
    • AUDIT_TIMER_CAPACITY_FOR_UE_N1N2_TRANSFER_ABOVE_CRITICAL_PERCENT
    • UE_N1N2_SUBSCRIBE_REATTEMPT_FAILURE_ABOVE_MINOR_THRESHOLD
    • UE_N1N2_SUBSCRIBE_REATTEMPT_FAILURE_ABOVE_MAJOR_THRESHOLD
    • UE_N1N2_SUBSCRIBE_REATTEMPT_FAILURE_ABOVE_CRITICAL_THRESHOLD
    • UE_N1N2_TRANSFER_REATTEMPT_FAILURE_ABOVE_MINOR_THRESHOLD
    • UE_N1N2_TRANSFER_REATTEMPT_FAILURE_ABOVE_MAJOR_THRESHOLD
    • UE_N1N2_TRANSFER_REATTEMPT_FAILURE_ABOVE_CRITICAL_THRESHOLD
    • UE_N1N2_TRANSFER_FAILURE_NOTIFICATION_REATTEMPT_FAILURE_ABOVE_MINOR_THRESHOLD
    • UE_N1N2_TRANSFER_FAILURE_NOTIFICATION_REATTEMPT_FAILURE_ABOVE_MAJOR_THRESHOLD
    • UE_N1N2_TRANSFER_FAILURE_NOTIFICATION_REATTEMPT_FAILURE_ABOVE_CRITICAL_THRESHOLD
    • UE_AMF_DISCOVERY_REATTEMPT_FAILURE_ABOVE_MINOR_THRESHOLD
    • UE_AMF_DISCOVERY_REATTEMPT_FAILURE_ABOVE_MAJOR_THRESHOLD
    • UE_AMF_DISCOVERY_REATTEMPT_FAILURE_ABOVE_CRITICAL_THRESHOLD
  • Added details of the following alerts for PCF support to not send ASR while Notify-Update fails feature in List of Alerts:
    • UPDATE_NOTIFY_FAILURE_ABOVE_30_PERCENT
    • UPDATE_NOTIFY_FAILURE_ABOVE_50_PERCENT
    • UPDATE_NOTIFY_FAILURE_ABOVE_70_PERCENT
  • Added the following alerts to Common Alerts to support Stale Binding Detection Audit, Report and Recover:
    • SESSION_BINDING_MISSING_FROM_BSF_EXCEEDS_CRITICAL_THRESHOLD
    • SESSION_BINDING_MISSING_FROM_BSF_EXCEEDS_MAJOR_THRESHOLD
    • SESSION_BINDING_MISSING_FROM_BSF_EXCEEDS_MINOR_THRESHOLD
    • SESSION_BINDING_REVALIDATION_WITH_BSF_FAILURE_EXCEEDS_CRITICAL_THRESHOLD
    • SESSION_BINDING_REVALIDATION_WITH_BSF_FAILURE_EXCEEDS_MAJOR_THRESHOLD
    • SESSION_BINDING_REVALIDATION_WITH_BSF_FAILURE_EXCEEDS_MINOR_THRESHOLD
  • Added the following alerts to Common Alerts to support Stale Requests Cleanup for User Connector to CHF and UDR:
    • UDR_C_STALE_HTTP_REQUEST_CLEANUP_MINOR
    • UDR_C_STALE_HTTP_REQUEST_CLEANUP_MAJOR
    • UDR_C_STALE_HTTP_REQUEST_CLEANUP_CRITICAL
    • CHF_C_STALE_HTTP_REQUEST_CLEANUP_MINOR
    • CHF_C_STALE_HTTP_REQUEST_CLEANUP_MAJOR
    • CHF_C_STALE_HTTP_REQUEST_CLEANUP_CRITICAL
  • Added the following alerts to Common Alerts to support Stale Requests Cleanup for Diameter Connector:
    • STALE_DIAMETER_CONNECTOR_REQUEST_CLEANUP_MINOR
    • STALE_DIAMETER_CONNECTOR_REQUEST_CLEANUP_MAJOR
    • STALE_DIAMETER_CONNECTOR_REQUEST_CLEANUP_CRITICAL
  • Added the following alerts to Common Alerts to support Stale Requests Cleanup for Binding Service:
    • STALE_BINDING_REQUEST_REJECTION_CRITICAL
    • STALE_BINDING_REQUEST_REJECTION_MAJOR
    • STALE_BINDING_REQUEST_REJECTION_MINOR
  • Added details of the following alerts to Common Alerts to support SBI message feed for Policy:
  • Added the following alerts to PCF Alerts that support handling collision between AAR and STR messages during update notify timeout:
    • RX_PENDING_CONFIRMATION_UPDATE_NOTIFY_ERROR_RESPONSE_ABOVE_CRITICAL_THRESHOLD
    • RX_PENDING_CONFIRMATION_UPDATE_NOTIFY_ERROR_RESPONSE_ABOVE_MAJOR_THRESHOLD
    • RX_PENDING_CONFIRMATION_UPDATE_NOTIFY_ERROR_RESPONSE_ABOVE_MINOR_THRESHOLD
    • RX_PENDING_CONFIRMATION_UPDATE_NOTIFY_TIMEOUT_ABOVE_CRITICAL_THRESHOLD
    • RX_PENDING_CONFIRMATION_UPDATE_NOTIFY_TIMEOUT_ABOVE_MAJOR_THRESHOLD
    • RX_PENDING_CONFIRMATION_UPDATE_NOTIFY_TIMEOUT_ABOVE_MINOR_THRESHOLD
  • Added the following alerts to PCF Alerts to support stale request cleanup for UE Policy service:
    • UE_STALE_REQUEST_PROCESSING_REJECT_MINOR
    • UE_STALE_REQUEST_PROCESSING_REJECT_MAJOR
    • UE_STALE_REQUEST_PROCESSING_REJECT_CRITICAL
    • UE_STALE_REQUEST_ARRIVAL_REJECT_MINOR
    • UE_STALE_REQUEST_ARRIVAL_REJECT_MAJOR
    • UE_STALE_REQUEST_ARRIVAL_REJECT_CRITICAL
  • Added the PCF_STATE_NON_FUNCTIONAL_CRITICAL alert to PCF Alerts to support andling cnDBTier cluster disconnection.