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/102251/آیین-نامه-ایمنی-ساختمان-کارگاه-ها-مصوب-شورایعالی-حفاظت-فنی