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://kashkan.ir/1395/04/08/انتشار-کتاب-آموزش-خواندن-و-نوشتن-زبان-ل/