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://123dok.co/document/zlgeeo2g-청각장애인을-위한-음성-인식-합성-애플리케이션-개발-이원주.html