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.

TLD - Top Level Domain

A Top Level Domain describes the tier of domain names after the root. There are two different types of TLD, the gTLD and the ccTLD. gTLD stands for generic Top Level Domain, and ccTLD stands for country code Top Level Domain. Examples include. com ,.org, etc.


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

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