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.

AK - Anonymity Key

AK is a term used in the UMTS AKA(Authentication and Key Agreement) architecture. AK is a 48 bit value derived from the f5 algorithm, which can then be employed to conceal the value of SQN(Sequence Number).


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

Explore NetX today with a
free trial.
More Info about NetX