How WhatsApp works technically?

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. ERLANG is the programming language used to code WhatsApp.

What is the difference between WhatsApp and regular texting?

Someone using WhatsApp cannot send messages to a person using Facebook Messenger. With texting, you can send or receive messages using any cell phone, no matter the cellular carrier. On the other hand, texting is native to each mobile device, so the only requirement to send text messages is a cell phone.

Which programming language is used for WhatsApp?

WhatsApp is based on Erlang, a programming language designed for scalable systems with real-time high availability requirements.

How WhatsApp works technically PDF?

Incase of multimedia messages, contents (audio, video, pdf, locations, contacts or image) are uploaded into a HTTP server and are linked with the content and then sent to the receiver in the form of a thumbnail. Based on the user’s needs the content can either be downloaded or discarded. XMPP is being used by Whatsapp.

How do I know if someone is checking me on WhatsApp?

How to Know Who Viewed My WhatsApp Status?

  1. Open WhatsApp.
  2. Tap the Status tab.
  3. Tap on My Status > A List of all status will be shown.
  4. Tap on a status to see the views > Look for eye icon.
  5. Tap the eye icon to see > A list of users will populate.

Who pays for WhatsApp calls?

Who pays for the WhatsApp call? Beware! It is important to note that when making a regular voice call, the caller is 100% responsible for the cost of that call. The receiver in most countries does not pay to receive the call.

What is the downside of WhatsApp?

Drawbacks or disadvantages of Whatsapp ➨There is no option to hide from particular users. ➨It is not possible to send messages into normal inbox of the mobile phone. ➨There is a risk of anyone reading the message meant for you only. This often creates problem in the happy home.

Why would someone use WhatsApp instead of texting?

What can it do? As well as being free, it’s also a lot more versatile than SMS. You can send photos, videos and audio files, make video calls and voice calls, leave someone a video message, and more. And all of these features are completely free!

How much WhatsApp earn per day?

The message I received on WhatsApp from multiple contacts read, “There is a part-time job, you can use your mobile phone to operate at home, you can earn 200-3000 rupees a day, 10-30 minutes a day, new users join to get you 50 rupees, waiting for you to join. Reply 1 and long click the link to join us asap.”

Which country uses WhatsApp the most?

Top 10 WhatsApp countries ranked by largest audiences

Country Number of WhatsApp Users
India 390.1 million
Brazil 108.4 million
United States 75.1 million
Indonesia 68.8 million

How do I use WhatsApp 2020?

How to install WhatsApp

  1. Install the app from the Play Store (Android) or App Store (iPhone).
  2. Launch the app and approve the requested permissions.
  3. Enter your phone number and tap Confirm.
  4. Enter the verification code received via SMS (WhatsApp may do this automatically).
  5. Import existing contacts into the app (optional).

What is WhatsApp architecture?

General. WhatsApp server is almost completely implemented in Erlang. Server systems that do the backend message routing are done in Erlang. Great achievement is that the number of active users is managed with a really small server footprint. Team consensus is that it is largely because of Erlang.

How does WhatsApp work and why use it?

How Does Whatsapp Work And Why Use It?? WhatsApp is considered one of the best messaging apps for many reasons. For starters, it allows you to communicate with other people in more ways than one: Through chats, audio and video calls, and through exchanging media files and documents. You can use it on your phone, your computer, and tablet.

What’s the best way to learn to use WhatsApp?

The first step in learning how to use WhatsApp is installing the app, and it can be finished in just a few minutes. As mentioned above, the app is completely free and only requires a phone number and a mobile device to sign up. Install the app from the Play Store (Android) or App Store (iPhone). Launch the app and approve the requested permissions.

Are there any issues with the WhatsApp app?

WhatsApp is a deeply useful service for people worldwide. We’ve found that one of the only issues that app users face is that they cannot communicate with friends and family who haven’t downloaded the app yet. WhatsApp only allows users with an account to chat with others within the platform.

What are the advantages and disadvantages of WhatsApp?

Customizable group chats are among the app’s upsides. WhatsApp allows group conversations with up to 256 people per group. It’s obvious why WhatsApp is replacing phone messaging and traditional calls. As long as you have internet access, you can call and text people without getting charged for it.