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-S-TMSI - 5G S-Temporary Mobile Subscriber Identity

The 5G S-TMSI is a shortened version of the 5G-GUTI, designed to facilitate efficiency in radio signalling procedures such as Paging and Service Request. The 5G-S-TMSI is comprised of the AMF Set ID, AMF Pointer and 5G-TMSI


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

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