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://book.icfi.ir/book/160598/نمونه-سوالات-آزمون-کتبی-و-عملی-مهارت-راهنمای-طبیعت-گردی