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.


A combination of hardware and software employed to protect services sitting behind the firewall. Firewalls filter and reject incoming and outgoing data based on specific criteria programmed into the firewall. This filtering may be anywhere between Layer 7 and 1 of the OSI (Open System Interconnection) model.


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

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