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/ic_pharmlib/ndt/351367/ارتقا--رتبه-دانشگاه-علوم-پزشکی-تهران-در-شاخص-اثرگذ