How Whatsapp Messaging App is Working Technically? WhatsApp uses Ejabberd (XMPP) server which facilitates instant message transfer between two or many users on a real-time basis. The app lets you make calls, send and receive messages, and share documents, photos, and videos. WhatsApp uses your phone's cellular or Wi-Fi connection to facilitate messaging and voice calling to nearly anyone on the planet, alone or in a group, and is especially nice for families and small collaborative workgroups. All the sent messages are queued on the servers until the client opens or reconnects to this socket to retrieve the messages. The XMPP on the client opens an SSL socket to the WhatsApp servers. WhatsApp uses a highly modified version of XMPP on an Ejabberd server (more on that later) to communicate with the clients. The company uses XMPP server called ejabberd with a FreeBSD operating system. It can be used to transfer messages both in one-on-one context and in group chats. The protocol is decentralized, secure, and flexible. WhatsApp uses Extensible Messaging and Presence Protocol (XMPP) to exchange data between the users. What communication protocols does WhatsApp use? How refreshing to open up WhatsApp and feel like I'm back with my usual text messages. Unlike most messaging apps, WhatsApp mimics SMS texting services instead of trying to build a new interface. What technology does WhatsApp use?Extensible Messaging and Presence Protocol (XMPP) WhatsApp uses Extensible Messaging and Presence Protocol (XMPP) to exchange data between the users. Extensible Messaging and Presence Protocol (XMPP) WhatsApp uses a customized version of the open standard Extensible Messaging and Presence Protocol (XMPP).
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