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.

OTT - Over The Top

A term used to describe the delivery of communication services over the top of an existing transport network, without any relationship between the OTT service provider and the transport network service provider. An example would the use of Skype over a mobile network to conduct a voice call.


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

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