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://alfabetafile.farafile.ir/file/24029/جزوه-مدیریت-سازمان-های-محلی-و-شهرداری-ها