System with double redundancy

18 sec read

One of our Clients designed the system with double redundancy. Short overview of such type of system


  • No single point of failure
  • Client’s PBX has additional layer of redundancy with 3rd Asterisk in a case if main cluster under Virtual IP gets down


  • Not usable with end-devices like softphones/phones which can only register to one server (can only be used with main cluster)


  • 3rd Asterisk server should not be used when main cluster is operational (it should have lower priority in the routing table)

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