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.


The requirement for mobile data services, fuelled by the growth of the Internet, was the driver for the development of enhanced data services known as 2.5G. These include HSCSD (High Speed Circuit Switched Data), 14.4Kbps GSM Data and GPRS.


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

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