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.

ULI - User Location Information

User Location Information is a group of identities relating to the location of a mobile device within the network coverage area. The ULI can comprise of an LAI, ECGI, TAI, RAI, SAI and a CGI.


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

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