هل تحتاج إلى المساعدة؟الاتصال بنامركز المساعدةالتطبيقاتاستشارات أمنية WhatsApp uses a "store and ahead" mechanism for exchanging messages amongst two buyers. Whenever a person sends a information, it's saved on the WhatsApp server, which tries to ahead it on the addressee, and regularly requests acknowledgement of receipt. 便捷：从任何浏览器登录，与联系人保持联系，以及使用键盘快捷方式... https://apps-whatsapp.com/whatsapp-web