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.
http://yoozfile.ir/file/30996/پاورپوینت-ترافیک-پیشرفته-مک-شین-2010-(بخش-4-4-24-الی-2-5-24)