Glossary

Video meeting glossary

Short, plain-language definitions of the terms you meet when you run online meetings: how a browser call works, what encryption does and does not cover, what shapes the sound and picture, and how booking tools keep a calendar under control. Each entry also says how the idea applies to Meeto.

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By Meeto · Updated November 3, 2026

Call technology

How a browser call is built and how video reaches each participant.

WebRTC

WebRTC (Web Real-Time Communication) is an open standard built into modern browsers and apps that lets them send live audio, video and data without a plugin.

Selective forwarding unit (SFU)

A selective forwarding unit (SFU) is a media server that receives each participant's audio and video once and forwards it to everyone else in the call, choosing which streams and which quality each person gets.

Simulcast

Simulcast is a video technique in which a sender encodes the same camera picture at several qualities at once, so a media server can pass each viewer the version that fits their screen and connection.

Privacy and networks

What protects a call on the way and how it gets through strict networks.

End-to-end encryption (E2EE)

End-to-end encryption (E2EE) is a way of encrypting a call or message so that only the participants' own devices hold the keys, and no server in between, including the provider's, can decrypt the content.

Encryption in transit

Encryption in transit protects data while it travels across a network, so that anyone who intercepts it between a device and the server that receives it sees only unreadable bytes.

TURN server

A TURN server (Traversal Using Relays around NAT) is a relay that carries a call's audio and video when a firewall, VPN or home router stops a device from reaching the media server directly.

Audio and video

What shapes the sound, the picture and the shared screen in a call.

Noise suppression

Noise suppression is audio processing that removes steady background sound such as fans, keyboards and traffic from a microphone signal while keeping the speaker's voice.

Virtual background

A virtual background is a camera effect that separates a person from their surroundings and blurs or replaces everything behind them before the video leaves the device.

Screen sharing

Screen sharing sends a live picture of a screen, a single window or a browser tab to the other people in a call, so everyone looks at the same thing while you talk.

Scheduling

How guests pick a time and how the calendar stays workable.

Booking page

A booking page is a public web page that shows the times you are free, so another person can pick a slot and receive the meeting details without an exchange of emails.

Buffer time

Buffer time is a block of minutes that a scheduling tool keeps free before or after each booked meeting, so appointments never sit back to back.

Round-robin scheduling

Round-robin scheduling is a team booking method in which one shared link offers the combined availability of several people and assigns each new meeting to one of them in rotation.

Meeting features

How people get in, who is let in and what is kept afterwards.

Meeting link

A meeting link is a web address that opens a specific online meeting room, so anyone who has it can join the call from a browser or app without searching for a meeting ID.

Waiting room

A waiting room is an entry setting that holds people who open a meeting link outside the call until the host lets each of them in.

Meeting transcription

Meeting transcription is the automatic conversion of what people say in a meeting into written text, usually with each line attributed to the person who said it.

How to use these definitions

The terms build on each other. WebRTC is the browser standard every Meeto call uses; an SFU is the server that forwards the video; simulcast is how that server can give a weak connection a lighter picture. If you are comparing tools for confidential work, read end-to-end encryption and encryption in transit together, then the security overview.

For practical steps rather than definitions, the guides cover tasks such as using a waiting room, fixing a laggy call and publishing a booking page.

Frequently asked questions

Who is this glossary for?

It is written for people who run or join video meetings and want to understand a setting, a sales page or an IT question without a networking background. Each entry starts with a one-sentence definition, then explains what the term changes in a real call.

Does every term describe a Meeto feature?

No. Some entries describe something Meeto does not offer, such as end-to-end encryption, because the difference matters when you choose a meeting tool. Each term page has a section that says plainly how the idea applies to Meeto today.

Where do I go when a call is not working?

Start with the support page or the troubleshooting guides for camera, microphone and firewall problems. The glossary explains the ideas behind those checks; the guides give the steps.

Try your first browser meeting

Create a room, share the link and invite someone to join you.