Available Telephony Modules

Suitable for: S20, S50, S100, S300, P550, P560 and P570. Click the module for more information
yeastar module s2
yeastar module so
yeastar module gsm
yeastar module 4g

Add telephony ports

Yeastar S and P series have a modular structure. Depending on your needs, a composition can be made with the available modules (FXS, FXO, ISDN2, GSM/3G).

  • S20 has 2 onboard module slots
  • S50, S412, and P550 have 4 module slots.
  • P560 allows 1 Expansion Board.
  • S100 and P570 support 2 Expansion Boards.
  • S300 supports 3 Expansion Boards.

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