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://dostan.farafile.ir/file/38877/پاورپوینت-بررسی-سیر-تحول-کالبدی-شهرهای-ایران-قبل-از-اسلام