Description
The Yeastar SO Module is a port module that has 1 FXO port and 1 FXS port. It is compatible with MyPBX series and has a unique PSTN Fallback Function that allows you to make and receive calls even when the system power goes down.
Yeastar SO 1 x FXS and 1 x FXO Port Module
Yeastar SO Module with 1FXO+1FXS. The Yeastar SO Module is compatible with MyPBX series and S-Series PBX and has a unique PSTN Fallback Function enabling you to make/receive calls even when system powers down.
A module with 1 FXS port and 1 FXO port. Unique PSTN Fallback Function! Make/receive calls even during a system power break down. It can be used in MyPBX SOHO, MyPBX Standard, MyPBX Pro, MyPBX E1, MyPBX E1 Plus, MyPBX Enterprise and TDM800 Card.
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