Yeastar S412 VoIP PBX System

  • Up to 12 FXS Extensions
  • Up to 4 CO/BRI lines
  • 8 VoIP Users
  • 8 Concurrent Calls
  • 2 GSM/WCDMA/4G LTE Channels


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

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

Free lifetime software/firmware upgrade assure reliability over the years.

Easy to use:
Save time with streamlined installation. Manage PBX on the intuitive Metro UI.

Phone provisioning:
Automatically provision phones from Yealink.