N3IWF - Non-3GPP Interworking Function

This element of the 5G SBA (Service Based Architecture) is responsible for interworking between untrusted non-3GPP networks and the 5G Core. As such, the N3IWF supports both N2 and N3 based connectivity to the core, whilst supporting IPSec connectivity towards the device.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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