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://memary-fara.farafile.ir/file/50264/مطالعه-روشهای-تلفیق-داده-در-سیستم-ناوبری-ترکیبی-ins-gnss