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  Voice over Internet Protocol (VoIP), is a technology that allows you to make voice calls using a broadband Internet connection

Voice Services and Communication

What Black Box can do for you
  • Design, installation and maintenance of new telephony systems and upgrades.
  • Package solutions, in which both data and telephony products and services are combined in an effortless manner.
  • Certified experts for Extreme Networks, Avaya and Siemens systems.
  • Maintenance contracts with engineers that can be reached day and night.
  • Worldwide coverage. International projects are rolled out in the same manner for each location.
  • Our engineers are regularly trained to keep up-to-date with the latest technology in the Voice Industry.
Why call Black Box?
With our broad portfolio of solutions, years of experience, and extensive technical support, Black Box Network Services is your single source for the latest in communications and infrastructure technologies.


We have built up a lot of experience in the telephony market over the past years. The activities in installation and maintenance of telephony systems are responsible for 60% of our worldwide revenue.


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