SO Yeastar Module

Yeastar SO Module with FXS Port - FXO Port

Available

The Yeastar SO Module is an expansion module that includes 1 FXS port and 1 FXO port, making it ideal for connecting analog phone lines and expanding system capacity. What sets this module apart is its unique PSTN fallback function, ensuring continuous communication by allowing you to make and receive calls even when the system powers down.