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.

UIM - User Identity Module

The User Identity Module may contain information such as the NAM (Number Assignment Module) and subscription feature information. It is possible for the UIM to be integrated into the ME (Mobile Equipment) or it may be a R-UIM (Removable Identity Module).


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

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