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BEST OF BREED

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GSM Basics

  • Some Basics
  • Mobile Subsystem
  • Base Station Subsystem
  • Network Subsystem

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USSD BASICS

  • What is it?
  • How do the menus work?
  • Some application examples

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DIAMETER BASICS

  • What is Diameter?
  • Why do we need charge routing?
  • But what about all the old technology?
  • How does LTE roaming work?