Starter Deal! First 3 month from only  $9.9 /month!
Starter Deal! First 3 month from only  $9.9 /month!
Grab It Now 
Tencent RTC Blog
Tencent RTC Blog

What Is Video Conferencing? Ultimate Guide

Tencent RTC - Dev Team

封面1 (11).png
Video conferencing has reshaped the way we communicate, collaborate, and conduct meetings, breaking down geographical barriers and bringing people together regardless of their location. This technology combines audio and visual elements to simulate a face-to-face interaction, making it an essential tool in today’s globalized business environment and in personal communications.

If you're looking to find relevant video conferencing services, this guide will provide you with a thorough understanding of what is video conferencing and how it works. Continue reading to unlock the potential of video conferencing and enhance your digital communication capabilities.

What Is Video Conferencing?

Video conferencing is a technology that allows people in different locations to hold face-to-face meetings without needing to be in the same place. It combines video and audio communication, enabling participants to see and hear each other in real-time, using computers, smartphones, or other devices equipped with webcams and microphones. This technology leverages the internet to transmit video and audio signals, facilitating communication for business meetings, virtual classrooms, medical consultations, and personal chats among other uses. By simulating a physical meeting environment, video conferencing services helps bridge the geographic divide, enhancing collaboration and connectivity.


How Does Video Conferencing Work?

Video conferencing works by capturing video and audio inputs through cameras and microphones, then transmitting this data over the internet to other conference participants. Here’s a step-by-step breakdown of the process:

  • Capture: Each participant's device uses a camera to capture video and a microphone to capture audio.
  • Encode: The captured audio and video signals are compressed and encoded by the conferencing software. This process reduces the size of the data to ensure it can be transmitted efficiently over the internet.
  • Transmit: The encoded data is sent over the internet to a video conferencing server or directly to other participants' devices if using a peer-to-peer system. Data transmission typically uses protocols like RTP (Real-time Transport Protocol) to manage the delivery of streaming media.
  • Decode: Upon receiving the data, each participant's device decodes the compressed video and audio streams. This process converts the data back into a usable format that can be displayed and played.
  • Display and Output: The decoded video appears on each participant's screen while the audio is played through their speakers or headphones. This allows all participants to see and hear each other in real-time.

Benefits of Video Conferencing

Video conferencing offers a range of benefits that enhance both personal and professional communication:

  • Cost Efficiency: Video conferencing services significantly reduces travel expenses and time for businesses by enabling meetings and conferences to occur online. This allows organizations to allocate resources more effectively and invest in other strategic areas.
  • Increased Productivity: By facilitating quicker decision-making and easier collaboration, video conferencing can lead to more efficient meetings. Teams can share and edit documents in real-time, exchange ideas more freely, and resolve issues faster than they could through email or traditional phone calls.
  • Flexibility: Participants can join video conferences from anywhere in the world, provided they have internet access. This flexibility supports remote work and global operations, allowing employees to work from home or connect with international offices effortlessly.
  • Improved Communication: Video conferencing provides visual cues that are absent in traditional phone calls, such as facial expressions and body language, which can lead to better understanding and reduced miscommunications.
  • Scalability: Businesses can scale their communications as needed, from one-on-one conversations to large meetings involving hundreds of participants. Modern video conferencing platforms can accommodate large numbers of users without significant additional costs.
  • Environmental Impact: By reducing the need for travel, video conferencing also contributes to lower carbon emissions, aligning with corporate sustainability goals.
  • Enhanced Learning and Training: Video conferencing supports virtual classrooms and online training programs, making education more accessible and engaging for students and professionals continuing their education.

Top 3 Video Conference Software

Here are the top 3 video conferencing software with a brief introduction and features for each:

1. Zoom

Zoom has become synonymous with video conferencing during the rise of remote work and digital communication. It provides a robust platform that is suitable for both small business meetings and large conferences. Zoom’s ease of use and consistent performance have made it a favorite among organizations worldwide.


  • HD Video and Audio: Provides high-definition video and audio conferencing, ensuring clear communication.
  • Screen Sharing and Whiteboarding: Allows participants to share their screens or use digital whiteboards for collaborative sessions.
  • Breakout Rooms: Facilitates group discussions by allowing hosts to split the main meeting into smaller rooms.

2. Google Meet

Google Meet offers a secure and easy-to-use video conferencing solution that is deeply integrated into the Google ecosystem. It is designed to host high-quality video meetings and is accessible through the web or via mobile apps, making it extremely convenient for users on the go.


  • Integration with Google Workspace: Works seamlessly with Calendar, Drive, Docs, and more.
  • Live Captioning: Uses Google’s speech recognition technology to provide real-time captions during meetings.
  • Adjustable Layouts: Offers a variety of layout options for viewing participants and presentations effectively.

3. Microsoft Teams

Microsoft Teams is more than just a video conferencing app; it’s an integrated workplace collaboration tool that is part of the Microsoft 365 suite. Teams is designed for continuous collaboration, offering chat, video meetings, file storage, and application integration, all within a single platform.


  • Seamless Integration with Office 365: Automatically integrates with Microsoft’s suite of productivity tools.
  • Together Mode: Uses AI to digitally place participants in a shared background, making it feel like everyone is sitting in the same room.
  • Live Events: Host and broadcast events to large online audiences up to 10,000 participants.


How to Create a Video Conferencing Platform With Video Conferencing API?

Creating a video conferencing platform with a Video Conferencing API involves several key steps. One effective solution for achieving this is by using Tencent RTC Video Conferencing solution. Here’s how to get started:

  1. Select the Right API: Begin by choosing a robust API that can support your specific needs for video conferencing. Tencent RTC provides a comprehensive API that includes all the necessary features for creating a reliable and scalable video conferencing platform.
  2. Register and Obtain API Keys: Sign up with Tencent RTC to gain access to their APIs. Upon registration, you will receive API keys.
  3. Set Up Your Development Environment: Prepare your development environment by ensuring that all the necessary tools and libraries for integrating the Tencent RTC API are installed. This might include software development kits (SDKs) specific to the programming languages or frameworks you are using.
  4. Integrate the API: Incorporate the Tencent RTC Video Conferencing API into your application. This process involves configuring your application to use the API for creating meeting rooms, handling user authentication, managing audio and video feeds, and controlling other interactive features like screen sharing and chat functionalities.
  5. Customize User Experience: Customize the user interface and user experience according to your application's needs. Tencent RTC allows extensive customization, so you can design the interface to match your brand and provide a seamless experience for users.
  6. Implement Security Measures: Ensure that your video conferencing platform is secure by implementing encryption and other security protocols provided by Tencent RTC. This will help protect your communications and user data from unauthorized access.
  7. Test and Deploy: Thoroughly test the platform to identify and resolve any technical issues. Check for both functionality and scalability. Once testing is completed, deploy your application for users to access.
  8. Monitor and Update: After deployment, continue to monitor the application’s performance and user feedback. Update and scale your solution as needed to meet user demands and incorporate new features released by Tencent RTC.


This guide has provided a comprehensive overview of what is video conferencing, exploring its functionality, and steps to develop a platform using APIs. By understanding and leveraging the information presented, you are equipped to optimize your communication processes, facilitate seamless digital interactions, and ultimately foster a more connected and productive environment, both personally and professionally.

If you have any questions or need assistance, our support team is always ready to help. Please feel free to Contact Us or join us in Telegram.


How Does Video Conferencing Differ from Traditional Meetings?

Video conferencing differs from traditional meetings by allowing participants to join from any location with internet access, eliminating the need for physical presence. This digital format offers visual and audio interaction, similar to face-to-face meetings, but with the added convenience of features like screen sharing, digital whiteboards, and real-time document collaboration.

What Are Some Key Features to Look for in a Video Conferencing API?

When selecting a video conferencing API, key features to consider include multi-platform compatibility, ensuring it works across various devices and operating systems. High-quality video and audio capabilities are essential for clear communication. Look for APIs that offer robust security measures like end-to-end encryption to protect data privacy. Additionally, scalability can handle varying numbers of participants efficiently. Finally, consider APIs that provide comprehensive support for integration, like video conferencing SDK and detailed documentation, to facilitate seamless implementation into existing systems.

Build App