End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
https://9lib.co/document/qvl93vk1-新北市國小教師對聽障巡迴輔導服務需求及滿意度之研究.html