What's New in This Guide

This section introduces the documentation updates for Release 26.1.2xx.

Release 26.1.202 - G55321-02, September 2026

• Alternate Routing based on the DNS SRV Record for Home Network Functions:

  • Clarified that the PLMN Egress Gateway may send the expected ARS lookup when VNRF with NRF autoroute is enabled.

  • The resulting No entry found log can be ignored when the lookup scheme differs from the configured NRF scheme.

• Integrating SEPP with 5G Network Intelligence Fabric (5G NIF) Feature Alerts:

  • Updated the context-not-found scenario from HTTP 404 to HTTP 403 and revised the related remediation steps.

• HTTP Response Codes and Error Codes Table 3-3:

  • Added recovery guidance for SEPP-PN32FSEPP-ERROR-0006, covering invalid target-apiroot or authority URI values, absent destination hosts, empty localProfileDomains, destination-domain mismatches, unexpected validation exceptions, and invalid mediation-generated URIs.

Release 26.1.200 - G55321-01, July 2026

Updated the Alternate Routing based on the DNS SRV Record for Home Network Functions section with the note about "No entry found" error log.