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://farathesis.farafile.ir/file/19745/كاربرد-triz-در-بهبود-كيفيت-ارائه-خدمات-به-مشتريان-بانك