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.
https://farhangifile.pdf-doc.ir/file/10712/دانلود-فایل-های-صوتی-تصویری-زیست-شناسی-دوازدهم-رشته-تجربی