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.
张高兴的 .NET IoT 入门指南:(八)基于 GPS 的 NTP 时间同步服务器 https://codingnote.cc/p/684136/