20 Essential FAQs to Know Before you Build a Video Chat app with WebRTCs

webrtc video call faq

Building a Video Chat App with WebRTCs in 2022?

As a developer, we’re sure you know the pressures associated with the development process right from first planning to final deployment. Every stage of the process differs and there can be so many questions you need answers to.

Thereby, we have compiled a list of top 20 questions to ask before you start building an amazing video chat app with WebRTCs.  

1. How to make one to one video calls?

To make a video call app you have follow the below given steps,

  1. Open the app in your device.
  2. At the top of the application, go to search contact or dial a number that you want to connect with.
  3. Tap the specific contact number to connect over the call.
  4. Choose an option to proceed,
  • To make a video call, tap on video call icon in the app.
  • To make an audio call alone, tap on voice call icon in the app.

2. How do I do a group video call?

For any group video call to work it is necessary to create a group first, thereafter you are supposed to use the video calling options. But, if you’ve already created a group then the things are most simple for you to proceed with, you can simply tap on the green message button that’s present at the lower-right corner of the display and create a new chat conversation.

3. What are the benefits of video conferencing?

Some of the key benefits of video conferencing are as follows:

  • It enables the digital workforce by creating more collaborative meeting culture in an organization.
  • Simplifies the team management and usability by allowing the team to meet and share documents, presentations and text messages in real-time.
  • It promotes the rally communication and culture, by connecting the remote workers face-to-face, boosting productivity reducing the traveling cost.
  • Increase a secure communication reliability with enterprise-class security standards to protect each and every communication and data.
  • Improve values reducing redundancy in full video conferencing solution with screen sharing, chat, meeting recording, and event live streaming.

4. What are the basic rules in video conference meetings?

Some of the basic rules to be followed while conducting a video conferencing are as follows:

  • Check for internet speed and other crossed wires related connections beforehand to be on-time in the meeting.
  • When you are not speaking, ensure that your app is placed on mute.
  • Turn-off or silence all your notifications to be more attentive in the meeting.
  • During the session, try to be on the same screen to be more attentive as your response can reveal your presence of mind with the current discussion.
  • Try to have a clean and calm background as this can help you to increase your focus in the meeting.
  • Better to dressed-up in a proper way to look active and energetic in the meeting during the interaction.
  • Never interrupt any other participant when they are sharing their views and thought with others, thus embrace the pauses.
  • Avoid eating in between the meeting.
  • Make sure that your camera is on/off whenever you’re in the meeting.

5. What should you not do on a video call?

The below are the things that you are not suppose to do during a video call session:

  • Don’t pay attention to your body language while on a video call.
  • Don’t forget to mute/unmute your video/audio when not needed.
  • Don’t choose a noisy place to sit during the session.
  • Don’t distract your concentration by doing multitasking.
  • Avoid the use of phone while on a video call.

6. How does group video call work technically?

In technical terms video call works through a technology called VoIP (Voice over Internet Protocol). This is the technology that is used to make a video and voice call within the device. VoIP enables the users to make video calls from any device mostly via the VoIP phones and WebRTC enabled-browsers.

Furthermore when the data moves across using this technology, the VoIP service will convert the user’s voice from audio signals to digital data, and then send it to another user or group of users over Ethernet or Wi-Fi, for which VoIP makes use of codecs (can either be a hardware- or software-based process that compresses and decompresses large amount of VoIP data).

7. How many people can join a video call at once?

In a video call around eight participants can join at once on both iOS and Android devices. All this includes secured messages, voice, and video call notes with end-to-end encryption.

8. How do you make video calls on a computer or smartphone?

To make a video call on computer or smartphone you need to follow the below given steps:

  • Open the application with which you are going to make a call.
  • Tap the speech bubble icon that’s present in the app’s bottom-right center.
  • Select a contact from the your list.
  • Press the video camera icon on your app.
  • Now, you are open to the video call screen.
  • If in case you want to rotate the screen – tap the rotate icon and swap the camera you’re broadcasting from.
  • Here your microphone button will mute the audio.

9. How do you code a video chat app?

To code a video chat app you have to follow the below steps:

  • First you need to open video call and chat app template.
  • Choose the color scheme (default) or upload a background image.
  • Add your desired features like camera stickers, etc.
  • Now, give a name to your app – using a keyword mostly recommended as this can make your app more approachable on the market.
  • Choose an icon/logo for your app that can support you to build your business brand.
  • Once you app is ready, it’s time to publish it on Google Play or any other app market.

10. How do I create a WebRTC video conferencing application?

To create a WebRTC video conferencing app you need to have a WebRTC solution for your device. This is so as the WebRTC framework allows the browser and your device to communicate in real-time with APIs.

Once you get with that you can proceed with the establishment of your browser-based video chat using HTML and JavaScript with no back-end code requirement. By the time, for WebRTC you have to establish a peer-to-peer audio/video connection using STUN/TURN server that will also act as a signaling server. To know more in detail you can refer here.

11. How does WebRTC video work?

Let’s have a quick check on with WebRTC’s work process,

  • First WebRTC sends the data directly across the browsers to peer-to-peer.
  • This transmitted data will be in found in voice, chat or video format in real-time.
  • Later, in the further process the WebRTC uses NAT traversal mechanisms for browsers to reach one another.
  • For which the P2P moves across a relay server (TURN).
  • When you are using WebRTC, you must keep a note of signaling and media that are different from each other.
  • The tech over here enables peer-to-peer (browser to browser) interaction with very a few intervention of a server.
  • This intervention of a server is most likely to be used only for signaling.
  • The possibility to hold the video calls increases with multiple participants via peer-to-peer communication.
  • Even the media servers help in reducing the number of streams a client needs to send or receive.

12. Can I use WebRTC in Java?

Yes, of course you can get the WebRTC in Java frames whenever you are implementing the WebRTC in your server code, mostly by using webRTC native APIs. Here, the connection is peer-to-peer where one is the web browser and another one is your server.

13. How many participants can join WebRTC?

WebRTC is a peer-to-peer mesh system that works perfectly for one-to-one video call and for small groups of people upto 6 users in a room. If you try to have more users like around 16 and so, then there may be chances for its local wifi access points in the office to get crashed as the peer-to-peer mesh approach creates a direct impact on the network.

14. Does Zoom use WebRTC?

Zoom doesn’t use WebRTC, instead they use the technology of WebSockets or WebAssembly to transfer and decode the media files through the pipes in terms of saving the server resources. The non-standard approach over here to transfer the video streams may result in low audio/video quality and connectivity problems.

15. Does WebRTC require a server?

In technical terms, WebRTC strictly don’t prefer signaling servers as long as you have other possible ways to achieve or receive an SDP offer to your peer in return. However, WebRTC can easily connect two browsers on a local area network where it needs a server to handle the tasks like moving across the firewalls or routing data outside of the local network, etc.

16. Is WebRTC peer-to-peer?

Yes, Of course. WebRTC has been designed to work peer-to-peer that enables the users to connect by the most direct possible route. Although it is built to move along with real-world networking, here the client application needs to traverse NAT gateways and firewalls.

17. What is WebRTC used for?

WebRTC is a real-time communication technology that allows the web applications and sites to capture and stream audio/video files whenever needed. It also lets the user exchange the arbitrary data among the browsers without the need of an intermediary.

18. Is WebRTC open source?

Absolutely! WebRTC is a free and open source project that allows the real-time communication of messaging, audio and video APIs for the web through your web browser and mobile application. It supports capturing, streaming, and exchange of data between the web browsers.

19. Is WebRTC only for video?

No, WebRTC is a full-fledged peer-to-peer technology that is meant for real-time communication exchange of audio, video, and text data with one central caveat. In addition, it also supports creating a group calling services, building a video conferencing solution with video call recording, etc.

20. Is WebRTC secure?

Of course, WebRTC is safe and secure with Secure Real Time Protocol (SRTP) encryption and other standards of security protocol that are necessary for all WebRTC sessions. Moreover, it does prohibit the creation of unencrypted WebRTC connections using the Internet Engineering Task Force (IETF) standards.

Krushi Shivasangaran
Krushi is a Digital Marketer by choice & profession. She munches on topics relating to Technology, E-Commerce, Enterprise Mobility, Cloud Solutions and Internet of Things.