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Multi-location SIP Communication System over Internet VPN

A large preparatory school in Japan has multiple locations and wants to set up a telephony system over the Internet VPN (virtual private network). The following information gives details of how the elements are set up to achieve their communication goals. Click the image to view the details of the telephony system.

  • Located at the head office, Brekeke SIP Server is running on the Red Hat Linux Operating System.
  • VPN routers, with PSTN Gateway functions, are placed at the head office, as well as at each school.
  • A VPN tunnel is established between the head office and every school.
  • Each PSTN Gateway (VPN router) is registered with the Brekeke SIP Server.
  • Each legacy PBX at every school is connected through PSTN Gateways.
Click here to enlarge the image.

Some of the benefits exhibited by this success story are outlined below:

  • Continue to use your existing equipment
  • Reduce call charges since all internal communication between offices and schools are made using the Brekeke system
  • Lower operating and maintenance costs of a telephony system
  • Reduce office expansion costs by having both data and voice system on IP

 

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