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.
免受容量限制,教你自建家庭式私人雲端娛樂中心!(準備篇) https://qooah.com/2014/03/13/how-to-setup-private-cloud-service/