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VoIp Usability 

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Test summery

  • All used programms are free available (!)
  • All programms are quite stable
  • Delays and somtimes bad speechquality over the internet
  • acoustic feedback when not using headsets
  • Video quality somtimes better than  speech quality
  • Quality of the used audioequipment important
  • Knowledge of acoustics sometimes importand for a good quality