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.
제이디사운드, '스마트 보행자 감지기'로 조달청 우수조달물품 지정 https://wowtale.net/2020/11/12/18127/