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://man-ta-ma.farafile.ir/file/19967/تحقیق-بررسی-حمل-و-نقل-چند-وجهی-و-چالش-ها-و-موانع-آن-در-ایران