A video call is usually a way to transmit video, audio data in real time between two or more devices. Text messages can often be exchang during a video call. Video calling applications usually provide the ability to record the screen of any device connect to the conference.
Almost all modern devices have a video call function
mobile devices, computers, tablets, even TVs can make video calls. At the same time, some devices are equipp with additional functionality – these are interactive backgrounds, integration with other services, electronic widgets, call recording.
Given the ubiquity of the Internet, video calls are a job function email database very simple and accessible communication tool. They are easy to use, save time, and are much cheaper than regular mobile communications.
To make a video call, you will ne a stable Internet connection at home or in the office, a working microphone, a video calling device, and the video calling application itself.
Compass is a secure video conferencing service and built-in messenger for business. The main advantage is the ability to hold video meetings for 1000+ participants. When working in Compass, you do not ne to switch to another service to hold a they stretch their arms in 8 different directions: company-wide meeting. It is enough to create a meeting in two clicks and invite participants. At the same time, all the usual messenger functions are available – chats, calls, threads with reactions and reminders.
How video calls work
In fact, a video call is not just a picture and a live video demonstration. It is a process of exchanging, encoding and decoding encrypt data. Special algorithms transform the encrypt data into a picture and sound on your device. For example, if you imagine a video call as a simple algorithm, it would look like this:
1. A person selects a service, mobile application or platform for a video call and starts the call itself.
2. Next, the connection occurs, and the devices (camera, microphone) record audio and video data.
3. The image and sound are convert into digital format singapore phone list for easy transmission via the Internet, via Wi-Fi.
4. Compress data is sent to the provider’s servers via communication channels. There it is process and prepar for transmission to the recipient.
5. Your interlocutor’s intercom easily receives compress data and decodes it back into audio and video format.
1. Bypassing the provider’s server – direct connection between subscribers
This method is call “direct”. Encod data (high-quality video and sound) does not pass through the server, but is sent directly to the interlocutor’s device.
The server connects, but it only plays an auxiliary technical role – it allows the call participants to communicate through different subsystems. This connection principle is relevant for instant messengers .
2. Connection via server
A method in which audio and video streams between participants pass through and are process by a server.