S20 is a compact and full-feature IP-PBX with advanced communication features to create effective business communication experience for small business, connecting to traditional lines, VoIP lines, and cellular networks for up to 20 users.

  • 20 Users
  • 10 Concurrent Calls
  • Up to 4 FXS/FXO/BRI Ports
  • Up to 1 GSM/3G/4G Channel

Contact us to learn more or request a data sheet of this product.