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://danafil.farafile.ir/file/41287/فایل-تدریس-صفر-تا-صد-درس-سوم-معارف-دوازدهم