Covid 19 Update: Given the current global situation, we have paused the delivery of our LiveOnsite courses, but our LiveOnline and OnlineAnytime Packages remain unaffected. Browse over 50 online courses in our course catalogue, or get in touch to register your interest in future LiveOnsite courses when we are able to safely resume in person training.

5G-GUTI - 5G Globally Unique Temporary Identity

The 5G-GUTI is used in 5G as a means to keep the subscriber’s IMSI confidential. At the time of network registration, the AMF (Core Access and Mobility Management Function) will allocated the 5G-GUTI, which is comprised of the GUAMI (Globally Unique AMF ID) and the 5G-TMSI (5G Temporary Mobile Subscriber Identity).


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

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