Circuit Switching

Circuit switching is a process in which a dedicated physical circuit path must exist between sender and receiver for the duration of the call. The switch is employed to connect the various physical paths that make up the end to end connection. Switching takes place within Layer 2 of the OSI (Open System Interconnection) 7 layer model.


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

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