Yeastar VoIP PBX SO Module 1FXO & 1FXS Specs:
- 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.