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://ravayat.pdf-doc.ir/file/9320/دانلود-تحقیق-با-موضوع-چت-و-روش-استفاده-درست-از-تکنولوژی