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://alborz.farafile.ir/file/33120/نقش-سرایدار-و-خدمتگذار-در-سلامت-دانش-آموزان