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.
微軟釋出更多Windows Phone 8.1細節,今年春季內推出! https://qooah.com/2014/02/24/microsoft-details-windows-phone-8-1/