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://jibibook.com//Book/21191/اتیسم-نوجوانی-دروس-مهارت-های-اجتماعی--بهداشت-و-سلامتی