Yeastar S20 IP PABX

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Yeastar S20 IP PABX

Compact all-in-one VoIP PBX with advanced telephony features with base configuration of 20 users and 10 concurrent calls

With Yeastar S-Series, all the telephony interfaces are modular and customizable, S20 support 2 onboard module slots to custom FXS, FXO, ISDN BRI, GSM/3G/4G.

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

Protected from Internet hackers and viruses with the built-in firewall, TLS, SRTP, and more.


Powered by Freescale ARM A9 industrial grade quad-core CPU processors.


Free lifetime firmware upgrade assures reliability over the years.

Easy to use

save time with streamlined installation. Manage PBX on the intuitive web GUI.

Phone Provisioning

Automatically provision phones from Yealink, Snom, and more to save deployment time.

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