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://gsia.tums.ac.ir/fa-dira/ndt/344270/نکات-راهنما-برای-دانشجویان-متقاضی-برنامه-مرحبا