@article{BacksPohlmannRettinghausen2017,
  author    = {Peter Backs and Norbert Pohlmann and Claas Rettinghausen},
  title     = {Sprachbarriere. VoIP-Sicherheit versus Sprachqualit{\"a}t},
  journal   = {iX - Magazin f{\"u}r professionelle Informationstechnik},
  number    = {6},
  pages     = {110 -- 113},
  year      = {2017},
}