3. Provide a feature that enables the user to input credentials, such as a name, country,
and phone number, so the application can authorize the user. Just like WhatsApp, a
verification code is automatically read and submitted in the Android version. After
registering, the app can automatically sync all the contacts in your phone book to
4. Channels and groups formed a new platform for communication on apps like WhatsApp,
and Telegram, where users could discuss their passions, their thoughts, and their ideas.
5. In order to increase the number of users, WhatsApp has introduced a free calling
feature where users can connect with each other easily. Video messaging apps enable
visual communication between users via VoIP (Voice over Internet Protocol).
6. Adding this feature to your chat app will allow you to send voice notes, videos, and
photos. It involves sending a link to a multimedia file together with its Base64 encoded
thumbnail to the HTTP server (YAWS) after uploading a multimedia file.