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://farafiles.ir/file/35943/جزوه-پایگاه-داده-(دکتر-باقر-زاده--مجتمع-آموزش-عالی-لارستان)