Yeastar SO 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.
Name: Rony Saha
Phone Number: +880-1799986890; +880-1710 449088