Merge branch 'develop' into feat-network-indicator

2020-05-20 16:47:02 +02:00 · 2020-05-20 16:47:02 +02:00 · ddd8c36c67
parent 407a7d6991 ac079d1cd1
commit ddd8c36c67
62 changed files with 1100 additions and 483 deletions
--- a/app/.env
+++ b/app/.env
@ -0,0 +1,2 @@
+REACT_APP_VERSION=$npm_package_version
+REACT_APP_NAME=$npm_package_name
--- a/app/.eslintrc.json
+++ b/app/.eslintrc.json
@ -159,6 +159,12 @@
 		"no-inner-declarations": 2,
 		"no-invalid-regexp": 2,
 		"no-irregular-whitespace": 2,
+		"no-trailing-spaces": [
+			"error",
+			{
+				"ignoreComments": true
+			}
+		],
 		"no-lonely-if": 2,
 		"no-mixed-operators": 2,
 		"no-mixed-spaces-and-tabs": 2,
--- a/app/public/config/config.example.js
+++ b/app/public/config/config.example.js
@ -5,6 +5,26 @@ var config =
 	developmentPort : 3443,
 	productionPort  : 443,

+	/**
+	 * Supported browsers version 
+	 * in bowser satisfy format.
+	 * See more:
+	 * https://www.npmjs.com/package/bowser#filtering-browsers
+	 * Otherwise you got a unsupported browser page
+	 */
+	supportedBrowsers :
+	{
+		'windows' : {
+			'internet explorer' : '>12',
+			'microsoft edge'    : '>18'
+		},
+		'safari'                       : '>12',
+		'firefox'                      : '>=60',
+		'chrome'                       : '>=74',
+		'opera'                        : '>=62',
+		'samsung internet for android' : '>=11.1.1.52'
+	},
+
 	/**
 	 * If defaultResolution is set, it will override user settings when joining:
 	 * low ~ 320x240
@ -26,6 +46,15 @@ var config =
 		{ scaleResolutionDownBy: 1 }
 	],

+	/**
+	 * Alternative simulcast setting:
+	 * [
+	 *   { maxBitRate: 50000 }, 
+	 *	 { maxBitRate: 1000000 },
+	 *	 { maxBitRate: 4800000 }
+	 *],
+	 **/
+
 	/**
 	 * White listing browsers that support audio output device selection.
 	 * It is not yet fully implemented in Firefox.
@ -37,7 +66,8 @@ var config =
 		'opera'
 	],
 	// Socket.io request timeout
-	requestTimeout   : 10000,
+	requestTimeout   : 20000,
+	requestRetries   : 3,
 	transportOptions :
 	{
 		tcp : true
@ -55,10 +85,12 @@ var config =
 	},

 	/**
-	 * Set the auto mute / Push To Talk threshold
-	 * default value is 4
+	 * Set max number participants in one room that join 
+	 * unmuted. Next participant will join automatically muted
+	 * Default value is 4
 	 * 
-	 * Set it to 0 to disable auto mute functionality, 
+	 * Set it to 0 to auto mute all, 
+	 * Set it to negative (-1) to never automatically auto mute
 	 * but use it with caution
 	 * full mesh audio strongly decrease room capacity! 
 	 */
@ -75,9 +107,12 @@ var config =
 	notificationPosition : 'right',
 	// Timeout for autohiding topbar and button control bar
 	hideTimeout          : 3000,
+	// max number of participant that will be visible in 
+	// as speaker
 	lastN                : 4,
 	mobileLastN          : 1,
-	// Highest number of speakers user can select
+	// Highest number of lastN the user can select manually in 
+	// userinteface
 	maxLastN             : 5,
 	// If truthy, users can NOT change number of speakers visible
 	lockLastN            : false,
--- a/app/public/index.html
+++ b/app/public/index.html
@ -16,6 +16,44 @@
 		<title>Multiparty Meeting</title>

 		<script src='%PUBLIC_URL%/config/config.js' type='text/javascript'></script>
+
+		<!-- Show an error page to IE browsers -->
+		<script type='text/javascript'>
+			var fallback = '<style type="text/css">body{margin:40px auto;max-width:650px;line-height:1.6;font-size:18px;color:#444;padding:0 10px}h1,h2,h3{line-height:1.2}</style><header><h1>Your browser is not supported</h1><aside>You need to change to a different browser.</aside></header><h3>Supported browsers</h3><ul><li>Google Chrome/Chromium 55 +</li><li>Microsoft Edge 18 +</li><li>Mozilla Firefox 60 +</li><li>Apple Safari 12 +</li><li>Opera 62 +</li><li>Samsung Internet 11.1.1.52 +</li></ul>';
+
+			var fallbackCall = function() {
+				document.body.innerHTML = fallback;
+			};
+
+			if(navigator.userAgent.indexOf('MSIE') !== -1)
+			{
+				document.attachEvent('onreadystatechange', function() {
+					if (document.readyState === 'complete')
+					{
+						document.detachEvent('onreadystatechange', arguments.callee);
+
+						fallbackCall();
+					}
+				});
+			}
+
+			if (navigator.appVersion.indexOf('Trident/') > -1)
+			{
+				if (
+					document.readyState === 'complete' ||
+					(document.readyState !== 'loading' && !document.documentElement.doScroll)
+				)
+				{
+					document.removeEventListener('DOMContentLoaded', fallbackCall);
+
+					fallbackCall();
+				}
+				else
+				{
+					document.addEventListener('DOMContentLoaded', fallbackCall);
+				}
+			}
+		</script>
 	</head>
 	<body>
 		<noscript>You need to enable JavaScript to run this app.</noscript>
--- a/app/src/RoomClient.js
+++ b/app/src/RoomClient.js
@ -1,6 +1,7 @@
 import Logger from './Logger';
 import hark from 'hark';
 import { getSignalingUrl } from './urlFactory';
+import { SocketTimeoutError } from './utils';
 import * as requestActions from './actions/requestActions';
 import * as meActions from './actions/meActions';
 import * as roomActions from './actions/roomActions';
@ -575,7 +576,7 @@ export default class RoomClient
 				if (called)
 					return;
 				called = true;
-				callback(new Error('Request timeout.'));
+				callback(new SocketTimeoutError('Request timed out'));
 			},
 			ROOM_OPTIONS.requestTimeout
 		);
@ -591,13 +592,13 @@ export default class RoomClient
 		};
 	}

-	sendRequest(method, data)
+	_sendRequest(method, data)
 	{
 		return new Promise((resolve, reject) =>
 		{
 			if (!this._signalingSocket)
 			{
-				reject('No socket connection.');
+				reject('No socket connection');
 			}
 			else
 			{
@ -607,13 +608,9 @@ export default class RoomClient
 					this.timeoutCallback((err, response) =>
 					{
 						if (err)
-						{
 							reject(err);
-						}
 						else
-						{
 							resolve(response);
-						}
 					})
 				);
 			}
@ -650,6 +647,33 @@ export default class RoomClient
 		} 
 	}

+	async sendRequest(method, data)
+	{
+		logger.debug('sendRequest() [method:"%s", data:"%o"]', method, data);
+
+		const {
+			requestRetries = 3
+		} = window.config;
+
+		for (let tries = 0; tries < requestRetries; tries++)
+		{
+			try
+			{
+				return await this._sendRequest(method, data);
+			}
+			catch (error)
+			{
+				if (
+					error instanceof SocketTimeoutError &&
+					tries < requestRetries
+				)
+					logger.warn('sendRequest() | timeout, retrying [attempt:"%s"]', tries);
+				else
+					throw error;
+			}
+		}
+	}
+
 	async changeDisplayName(displayName)
 	{
 		logger.debug('changeDisplayName() [displayName:"%s"]', displayName);
@ -1037,20 +1061,20 @@ export default class RoomClient
 		this._hark = hark(this._harkStream,
 			{
 				play      : false,
-				interval  : 5, 
+				interval  : 10,
 				threshold : store.getState().settings.noiseThreshold,
-				history   : 30
+				history   : 100
 			});
 		this._hark.lastVolume = -100;

 		this._hark.on('volume_change', (volume) =>
 		{
 			volume = Math.round(volume);
-			if (this._micProducer && volume !== Math.round(this._hark.lastVolume))
+			if (this._micProducer && (volume !== Math.round(this._hark.lastVolume)))
 			{
-				if (volume < this._hark.lastVolume * 1.02) 
+				if (volume < this._hark.lastVolume)
 				{
-					volume = this._hark.lastVolume * 1.02;
+					volume = this._hark.lastVolume - Math.pow((volume - this._hark.lastVolume)/(100 + this._hark.lastVolume),4)*2;
 				}
 				this._hark.lastVolume = volume;
 				store.dispatch(peerVolumeActions.setPeerVolume(this._peerId, volume));
@ -2690,7 +2714,7 @@ export default class RoomClient
 						store.dispatch(requestActions.notify(
 							{
 								text : intl.formatMessage({
-									id             : 'moderator.muteScreenSharingModerator',
+									id             : 'moderator.stopScreenSharing',
 									defaultMessage : 'Moderator stopped your screen sharing'
 								})
 							}));
@ -3053,9 +3077,13 @@ export default class RoomClient
 					if (!this._muted)
 					{
 						await this.enableMic();
-						const { autoMuteThreshold } = store.getState().settings;
+						let autoMuteThreshold = 4;
 						
-						if (autoMuteThreshold && peers.length > autoMuteThreshold) 
+						if ('autoMuteThreshold' in window.config)
+						{
+							autoMuteThreshold = window.config.autoMuteThreshold;
+						}
+						if (autoMuteThreshold && peers.length >= autoMuteThreshold)
 							this.muteMic();
 					}

--- a/app/src/actions/settingsActions.js
+++ b/app/src/actions/settingsActions.js
@ -73,14 +73,14 @@ export const setNoiseSuppression = (noiseSuppression) =>

 export const setVoiceActivatedUnmute = (voiceActivatedUnmute) =>
 	({
-		type: 'SET_VOICE_ACTIVATED_UNMUTE',
-		payload: { voiceActivatedUnmute }
+		type    : 'SET_VOICE_ACTIVATED_UNMUTE',
+		payload : { voiceActivatedUnmute }
 	});

 export const setNoiseThreshold = (noiseThreshold) =>
 	({
-		type: 'SET_NOISE_THRESHOLD',
-		payload: { noiseThreshold }
+		type    : 'SET_NOISE_THRESHOLD',
+		payload : { noiseThreshold }
 	});

 export const setDefaultAudio = (audio) =>
@ -89,21 +89,6 @@ export const setDefaultAudio = (audio) =>
 		payload : { audio }
 	});

-export const toggleEchoCancellation = () =>
-	({
-		type : 'TOGGLE_ECHO_CANCELLATION'
-	});
-
-export const toggleAutoGainControl = () =>
-	({
-		type : 'TOGGLE_AUTO_GAIN_CONTROL'
-	});
-
-export const toggleNoiseSuppression = () =>
-	({
-		type : 'TOGGLE_NOISE_SUPPRESSION'
-	});
-
 export const toggleHiddenControls = () =>
 	({
 		type : 'TOGGLE_HIDDEN_CONTROLS'
--- a/app/src/components/Containers/Me.js
+++ b/app/src/components/Containers/Me.js
@ -509,8 +509,10 @@ const Me = (props) =>
 											>
 												{ micState === 'on' ?
 													<MicIcon
-														color={me.isAutoMuted ? 'secondary' : 'primary'}
-														style={me.isAutoMuted ? { opacity: noiseVolume }  
+														color={me.isAutoMuted && settings.voiceActivatedUnmute ?
+															'secondary' : 'primary'}
+														style={me.isAutoMuted && settings.voiceActivatedUnmute ?
+															{ opacity: noiseVolume }
 															: { opacity: 1 }}
 													/>
 													:
--- a/app/src/components/Containers/Volume.js
+++ b/app/src/components/Containers/Volume.js
@ -58,27 +58,27 @@ const styles = () =>
 			'&.level6' :
 			{
 				height          : '60%',
-				backgroundColor : 'rgba(255, 0, 0, 0.65)'
+				backgroundColor : 'rgba(255, 165, 0, 0.65)'
 			},
 			'&.level7' :
 			{
 				height          : '70%',
-				backgroundColor : 'rgba(255, 0, 0, 0.65)'
+				backgroundColor : 'rgba(255, 100, 0, 0.65)'
 			},
 			'&.level8' :
 			{
 				height          : '80%',
-				backgroundColor : 'rgba(0, 0, 0, 0.65)'
+				backgroundColor : 'rgba(255, 60, 0, 0.65)'
 			},
 			'&.level9' :
 			{
 				height          : '90%',
-				backgroundColor : 'rgba(0, 0, 0, 0.65)'
+				backgroundColor : 'rgba(255, 30, 0, 0.65)'
 			},
 			'&.level10' :
 			{
 				height          : '100%',
-				backgroundColor : 'rgba(0, 0, 0, 0.65)'
+				backgroundColor : 'rgba(255, 0, 0, 0.65)'
 			}
 		},
 		volumeSmall :
--- a/app/src/components/Controls/About.js
+++ b/app/src/components/Controls/About.js
@ -43,7 +43,8 @@ const styles = (theme) =>
 		link :
 		{
 			display      : 'block',
-			textAlign : 'center'
+			textAlign    : 'center',
+			marginBottom : theme.spacing(1)
 		}
 	});

@ -68,15 +69,16 @@ const About = ({
 				/>
 			</DialogTitle>
 			<DialogContent dividers='true'>
-				<DialogContentText>
+				<DialogContentText paragraph>
 					Contributions to this work were made on behalf of the GÉANT
 					project, a project that has received funding from the
 					European Union’s Horizon 2020 research and innovation
 					programme under Grant Agreement No. 731122 (GN4-2).
 					On behalf of GÉANT project, GÉANT Association is the sole
 					owner of the copyright in all material which was developed
-					by a member of the GÉANT project.<br />
-					<br />
+					by a member of the GÉANT project.
+				</DialogContentText>
+				<DialogContentText paragraph>
 					GÉANT Vereniging (Association) is registered with the
 					Chamber of Commerce in Amsterdam with registration number
 					40535155 and operates in the UK as a branch of GÉANT
@ -87,6 +89,13 @@ const About = ({
 				<Link href='https://edumeet.org' target='_blank' rel='noreferrer' color='secondary' variant='h6' className={classes.link}>
 					https://edumeet.org
 				</Link>
+				<DialogContentText align='center' variant='h7'>
+					<FormattedMessage
+						id='label.version'
+						defaultMessage='Version'
+					/>
+					:{` ${process.env.REACT_APP_VERSION}`}
+				</DialogContentText>
 			</DialogContent>
 			<DialogActions>
 				{ window.config.logo && <img alt='Logo' className={classes.logo} src={window.config.logo} /> }
--- a/app/src/components/Controls/TopBar.js
+++ b/app/src/components/Controls/TopBar.js
@ -472,14 +472,6 @@ const TopBar = (props) =>
 						}
 					</div>
 					<div className={classes.sectionMobile}>
-						<IconButton
-							aria-haspopup='true'
-							onClick={handleMobileMenuOpen}
-							color='inherit'
-						>
-							<MoreIcon />
-						</IconButton>
-					</div>
 						{ lobbyPeers.length > 0 &&
 						<Tooltip
 							title={intl.formatMessage({
@ -508,6 +500,14 @@ const TopBar = (props) =>
 							</span>
 						</Tooltip>
 						}
+						<IconButton
+							aria-haspopup='true'
+							onClick={handleMobileMenuOpen}
+							color='inherit'
+						>
+							<MoreIcon />
+						</IconButton>
+					</div>
 					<div className={classes.divider} />
 					<Button
 						aria-label={intl.formatMessage({
@ -697,33 +697,6 @@ const TopBar = (props) =>
 						/>
 					</p>
 				</MenuItem>
-				{ lobbyPeers.length > 0 &&
-					<MenuItem 
-						aria-label={intl.formatMessage({
-							id             : 'tooltip.lobby',
-							defaultMessage : 'Show lobby'
-						})}
-						disabled={!canPromote}
-						onClick={() =>
-						{
-							handleMenuClose();
-							setLockDialogOpen(!room.lockDialogOpen);
-						}}
-					>
-						<PulsingBadge
-							color='secondary'
-							badgeContent={lobbyPeers.length}
-						>
-							<SecurityIcon />
-						</PulsingBadge>
-						<p className={classes.moreAction}>
-							<FormattedMessage
-								id='tooltip.lobby'
-								defaultMessage='Show lobby'
-							/>
-						</p>
-					</MenuItem>
-				}
 				<MenuItem
 					aria-label={intl.formatMessage({
 						id             : 'tooltip.participants',
--- a/app/src/components/Settings/AdvancedSettings.js
+++ b/app/src/components/Settings/AdvancedSettings.js
@ -4,13 +4,14 @@ import { withStyles } from '@material-ui/core/styles';
 import { withRoomContext } from '../../RoomContext';
 import * as settingsActions from '../../actions/settingsActions';
 import PropTypes from 'prop-types';
+import classnames from 'classnames';
 import { useIntl, FormattedMessage } from 'react-intl';
 import MenuItem from '@material-ui/core/MenuItem';
 import FormHelperText from '@material-ui/core/FormHelperText';
 import FormControl from '@material-ui/core/FormControl';
 import FormControlLabel from '@material-ui/core/FormControlLabel';
 import Select from '@material-ui/core/Select';
-import Checkbox from '@material-ui/core/Checkbox';
+import Switch from '@material-ui/core/Switch';

 const styles = (theme) =>
 	({
@ -21,6 +22,13 @@ const styles = (theme) =>
 		formControl :
 		{
 			display : 'flex'
+		},
+		switchLabel : {
+			justifyContent : 'space-between',
+			flex           : 'auto',
+			display        : 'flex',
+			padding        : theme.spacing(1),
+			marginRight    : 0
 		}
 	});

@ -37,16 +45,18 @@ const AdvancedSettings = ({
 	return (
 		<React.Fragment>
 			<FormControlLabel
-				className={classes.setting}
-				control={<Checkbox checked={settings.advancedMode} onChange={onToggleAdvancedMode} value='advancedMode' />}
+				className={classnames(classes.setting, classes.switchLabel)}
+				control={<Switch checked={settings.advancedMode} onChange={onToggleAdvancedMode} value='advancedMode' />}
+				labelPlacement='start'
 				label={intl.formatMessage({
 					id             : 'settings.advancedMode',
 					defaultMessage : 'Advanced mode'
 				})}
 			/>
 			<FormControlLabel
-				className={classes.setting}
-				control={<Checkbox checked={settings.notificationSounds} onChange={onToggleNotificationSounds} value='notificationSounds' />}
+				className={classnames(classes.setting, classes.switchLabel)}
+				control={<Switch checked={settings.notificationSounds} onChange={onToggleNotificationSounds} value='notificationSounds' />}
+				labelPlacement='start'
 				label={intl.formatMessage({
 					id             : 'settings.notificationSounds',
 					defaultMessage : 'Notification sounds'
--- a/app/src/components/Settings/AppearenceSettings.js
+++ b/app/src/components/Settings/AppearenceSettings.js
@ -4,6 +4,7 @@ import * as appPropTypes from '../appPropTypes';
 import { withStyles } from '@material-ui/core/styles';
 import * as roomActions from '../../actions/roomActions';
 import * as settingsActions from '../../actions/settingsActions';
+import classnames from 'classnames';
 import PropTypes from 'prop-types';
 import { useIntl, FormattedMessage } from 'react-intl';
 import MenuItem from '@material-ui/core/MenuItem';
@ -11,7 +12,7 @@ import FormHelperText from '@material-ui/core/FormHelperText';
 import FormControl from '@material-ui/core/FormControl';
 import FormControlLabel from '@material-ui/core/FormControlLabel';
 import Select from '@material-ui/core/Select';
-import Checkbox from '@material-ui/core/Checkbox';
+import Switch from '@material-ui/core/Switch';

 const styles = (theme) =>
 	({
@ -22,6 +23,13 @@ const styles = (theme) =>
 		formControl :
 		{
 			display : 'flex'
+		},
+		switchLabel : {
+			justifyContent : 'space-between',
+			flex           : 'auto',
+			display        : 'flex',
+			padding        : theme.spacing(1),
+			marginRight    : 0
 		}
 	});

@ -90,24 +98,28 @@ const AppearenceSettings = ({
 				</FormControl>
 			</form>
 			<FormControlLabel
-				className={classes.setting}
-				control={<Checkbox checked={settings.permanentTopBar} onChange={onTogglePermanentTopBar} value='permanentTopBar' />}
+				className={classnames(classes.setting, classes.switchLabel)}
+				control={
+					<Switch checked={settings.permanentTopBar} onChange={onTogglePermanentTopBar} value='permanentTopBar' />}
+				labelPlacement='start'
 				label={intl.formatMessage({
 					id             : 'settings.permanentTopBar',
 					defaultMessage : 'Permanent top bar'
 				})}
 			/>
 			<FormControlLabel
-				className={classes.setting}
-				control={<Checkbox checked={settings.hiddenControls} onChange={onToggleHiddenControls} value='hiddenControls' />}
+				className={classnames(classes.setting, classes.switchLabel)}
+				control={<Switch checked={settings.hiddenControls} onChange={onToggleHiddenControls} value='hiddenControls' />}
+				labelPlacement='start'
 				label={intl.formatMessage({
 					id             : 'settings.hiddenControls',
 					defaultMessage : 'Hidden media controls'
 				})}
 			/>
 			<FormControlLabel
-				className={classes.setting}
-				control={<Checkbox checked={settings.buttonControlBar} onChange={onToggleButtonControlBar} value='buttonControlBar' />}
+				className={classnames(classes.setting, classes.switchLabel)}
+				control={<Switch checked={settings.buttonControlBar} onChange={onToggleButtonControlBar} value='buttonControlBar' />}
+				labelPlacement='start'
 				label={intl.formatMessage({
 					id             : 'settings.buttonControlBar',
 					defaultMessage : 'Separate media controls'
@ -115,8 +127,9 @@ const AppearenceSettings = ({
 			/>
 			{ !isMobile &&
 				<FormControlLabel
-					className={classes.setting}
-					control={<Checkbox checked={settings.drawerOverlayed} onChange={onToggleDrawerOverlayed} value='drawerOverlayed' />}
+					className={classnames(classes.setting, classes.switchLabel)}
+					control={<Switch checked={settings.drawerOverlayed} onChange={onToggleDrawerOverlayed} value='drawerOverlayed' />}
+					labelPlacement='start'
 					label={intl.formatMessage({
 						id             : 'settings.drawerOverlayed',
 						defaultMessage : 'Side drawer over content'
@ -124,8 +137,9 @@ const AppearenceSettings = ({
 				/>
 			}
 			<FormControlLabel
-				className={classes.setting}
-				control={<Checkbox checked={settings.showNotifications} onChange={onToggleShowNotifications} value='showNotifications' />}
+				className={classnames(classes.setting, classes.switchLabel)}
+				control={<Switch checked={settings.showNotifications} onChange={onToggleShowNotifications} value='showNotifications' />}
+				labelPlacement='start'
 				label={intl.formatMessage({
 					id             : 'settings.showNotifications',
 					defaultMessage : 'Show notifications'
--- a/app/src/components/Settings/MediaSettings.js
+++ b/app/src/components/Settings/MediaSettings.js
@ -12,9 +12,15 @@ import FormHelperText from '@material-ui/core/FormHelperText';
 import FormControl from '@material-ui/core/FormControl';
 import FormControlLabel from '@material-ui/core/FormControlLabel';
 import Select from '@material-ui/core/Select';
-import Checkbox from '@material-ui/core/Checkbox';
 import Slider from '@material-ui/core/Slider';
 import Typography from '@material-ui/core/Typography';
+import Collapse from '@material-ui/core/Collapse';
+import List from '@material-ui/core/List';
+import ListItem from '@material-ui/core/ListItem';
+import ListItemText from '@material-ui/core/ListItemText';
+import ExpandLess from '@material-ui/icons/ExpandLess';
+import ExpandMore from '@material-ui/icons/ExpandMore';
+import Switch from '@material-ui/core/Switch';

 const NoiseSlider = withStyles(
 	{
@ -52,6 +58,23 @@ const styles = (theme) => ({
 	{
 		height : theme.spacing(3)
 	},
+	root : {
+		width           : '100%',
+		backgroundColor : theme.palette.background.paper
+	},
+	switchLabel : {
+		justifyContent : 'space-between',
+		flex           : 'auto',
+		display        : 'flex',
+		padding        : theme.spacing(1)
+	},
+	nested : {
+		display       : 'block',
+		paddingTop    : 0,
+		paddingBottom : 0,
+		paddingLeft   : '25px',
+		paddingRight  : '25px'
+	},
 	formControl :
 	{
 		display : 'flex'
@ -129,6 +152,13 @@ const MediaSettings = ({
 	else
 		audioOutputDevices = [];

+	const [ open, setOpen ] = React.useState(true);
+
+	const advancedAudioSettings = () =>
+	{
+		setOpen(!open);
+	};
+
 	return (
 		<React.Fragment>
 			<form className={classes.setting} autoComplete='off'>
@ -287,90 +317,120 @@ const MediaSettings = ({
 					</FormControl>
 				</form>
 			}
-			<form className={classes.setting} autoComplete='off'>
+			<List className={classes.root} component='nav'>
+				<ListItem button onClick={advancedAudioSettings}>
+					<ListItemText primary={intl.formatMessage({
+						id             : 'settings.showAdvancedAudio',
+						defaultMessage : 'Show advanced audio settings'
+					})}
+					/>
+					{open ? <ExpandLess /> : <ExpandMore />}
+				</ListItem>
+				<Collapse in={!open} timeout='auto'>
+					<List component='div'>
+						<ListItem className={classes.nested}>
 							<FormControlLabel
-					className={classes.setting}
+								className={classnames(classes.setting, classes.switchLabel)}
 								control={
-						<Checkbox checked={settings.echoCancellation} onChange={
+									<Switch color='secondary'
+										checked={settings.echoCancellation}
+										onChange={
 											(event) =>
 											{
 												setEchoCancellation(event.target.checked);
 												roomClient.changeAudioDevice(settings.selectedAudioDevice);
 											}}
 									/>}
+								labelPlacement='start'
 								label={intl.formatMessage({
 									id             : 'settings.echoCancellation',
 									defaultMessage : 'Echo cancellation'
 								})}
 							/>
+						</ListItem>
+						<ListItem className={classes.nested}>
 							<FormControlLabel
-					className={classes.setting}
+								className={classnames(classes.setting, classes.switchLabel)}
 								control={
-						<Checkbox checked={settings.autoGainControl} onChange={
+									<Switch color='secondary'
+										checked={settings.autoGainControl} onChange={
 											(event) =>
 											{
 												setAutoGainControl(event.target.checked);
 												roomClient.changeAudioDevice(settings.selectedAudioDevice);
 											}}
 									/>}
+								labelPlacement='start'
 								label={intl.formatMessage({
 									id             : 'settings.autoGainControl',
 									defaultMessage : 'Auto gain control'
 								})}
 							/>
+						</ListItem>
+						<ListItem className={classes.nested}>
 							<FormControlLabel
-					className={classes.setting}
+								className={classnames(classes.setting, classes.switchLabel)}
 								control={
-						<Checkbox checked={settings.noiseSuppression} onChange={
+									<Switch color='secondary'
+										checked={settings.noiseSuppression} onChange={
 											(event) =>
 											{
 												setNoiseSuppression(event.target.checked);
 												roomClient.changeAudioDevice(settings.selectedAudioDevice);
 											}}
 									/>}
+								labelPlacement='start'
 								label={intl.formatMessage({
 									id             : 'settings.noiseSuppression',
 									defaultMessage : 'Noise suppression'
 								})}
 							/>
+						</ListItem>
+						<ListItem className={classes.nested}>
 							<FormControlLabel
-					className={classes.setting}
+								className={classnames(classes.setting, classes.switchLabel)}
 								control={
-						<Checkbox checked={settings.voiceActivatedUnmute} onChange={
+									<Switch color='secondary'
+										checked={settings.voiceActivatedUnmute} onChange={
 											(event) =>
 											{
 												setVoiceActivatedUnmute(event.target.checked);
 											}}
 									/>}
+								labelPlacement='start'
 								label={intl.formatMessage({
 									id             : 'settings.voiceActivatedUnmute',
 									defaultMessage : 'Voice activated unmute'
 								})}
 							/>
+						</ListItem>
+						<ListItem className={classes.nested}>
 							<div className={classes.margin} />
 							<Typography gutterBottom>
 								{
 									intl.formatMessage({
 										id             : 'settings.noiseThreshold',
-							defaultMessage : 'Noise threshold:'
+										defaultMessage : 'Noise threshold'
 									})
-					}
+								}:
 							</Typography>
 							<NoiseSlider className={classnames(classes.slider, classnames.setting)}
 								key={'noise-threshold-slider'}
 								min={-100}
 								value={settings.noiseThreshold}
 								max={0}
-					valueLabelDisplay={'off'}
+								valueLabelDisplay={'auto'}
 								onChange={
 									(event, value) =>
 									{
 										roomClient._setNoiseThreshold(value);
 									}}
-					marks={[ { value: volume, label: 'level' } ]}  
+								marks={[ { value: volume, label: `${volume} dB` } ]}
 							/>
-				<div className={classes.margin} />
-			</form>
+						</ListItem>
+					</List>
+				</Collapse>
+			</List>
 		</React.Fragment>
 	);
 };
@ -399,8 +459,8 @@ const mapStateToProps = (state) =>

 const mapDispatchToProps = {
 	setEchoCancellation     : settingsActions.setEchoCancellation,
-	setAutoGainControl      : settingsActions.toggleAutoGainControl,
-	setNoiseSuppression     : settingsActions.toggleNoiseSuppression,
+	setAutoGainControl      : settingsActions.setAutoGainControl,
+	setNoiseSuppression     : settingsActions.setNoiseSuppression,
 	setVoiceActivatedUnmute : settingsActions.setVoiceActivatedUnmute
 };

--- a/app/src/components/UnsupportedBrowser.js
+++ b/app/src/components/UnsupportedBrowser.js
@ -0,0 +1,154 @@
+import React from 'react';
+import { withStyles } from '@material-ui/core/styles';
+import PropTypes from 'prop-types';
+import { FormattedMessage } from 'react-intl';
+
+import Dialog from '@material-ui/core/Dialog';
+import DialogTitle from '@material-ui/core/DialogTitle';
+import DialogContent from '@material-ui/core/DialogContent';
+import Grid from '@material-ui/core/Grid';
+import List from '@material-ui/core/List';
+import ListItem from '@material-ui/core/ListItem';
+import ListItemText from '@material-ui/core/ListItemText';
+import ListItemAvatar from '@material-ui/core/ListItemAvatar';
+import Avatar from '@material-ui/core/Avatar';
+import WebAssetIcon from '@material-ui/icons/WebAsset';
+import ErrorIcon from '@material-ui/icons/Error';
+import Hidden from '@material-ui/core/Hidden';
+
+const styles = (theme) =>
+	({
+		dialogPaper :
+		{
+			width                          : '40vw',
+			[theme.breakpoints.down('lg')] :
+			{
+				width : '40vw'
+			},
+			[theme.breakpoints.down('md')] :
+			{
+				width : '50vw'
+			},
+			[theme.breakpoints.down('sm')] :
+			{
+				width : '70vw'
+			},
+			[theme.breakpoints.down('xs')] :
+			{
+				width : '90vw'
+			}
+			// display       : 'flex',
+			// flexDirection : 'column'
+		},
+		list : {
+			backgroundColor : theme.palette.background.paper
+		},
+		errorAvatar : {
+			width  : theme.spacing(20),
+			height : theme.spacing(20)
+		}
+	});
+
+const open=true;
+const dividers=true;
+
+let dense=false;
+
+const supportedBrowsers=[
+	{ name: 'Chrome/Chromium', version: '74', vendor: 'Google' },
+	{ name: 'Edge', version: '18', vendor: 'Microsoft' },
+	{ name: 'Firefox', version: '60', vendor: 'Mozilla' },
+	{ name: 'Safari', version: '12', vendor: 'Apple' },
+	{ name: 'Opera', version: '62', vendor: '' },
+	//	{ name: 'Brave', version: '1.5', vendor: '' },
+	//  { name: 'Vivaldi', version: '3', vendor: '' },
+	{ name: 'Samsung Internet', version: '11.1.1.52', vendor: '' }
+];
+
+const UnsupportedBrowser = ({
+	platform,
+	webrtcUnavailable,
+	classes
+}) =>
+{
+	if (platform !== 'desktop')
+	{
+		dense=true;
+	}
+
+	return (
+		<Dialog
+			open={open}
+			scroll={'body'}
+			classes={{
+				paper : classes.dialogPaper
+			}}
+		>
+			<DialogTitle id='form-dialog-title'>
+				{!webrtcUnavailable &&
+				<FormattedMessage
+					id='unsupportedBrowser.titleUnsupportedBrowser'
+					defaultMessage='Detected unsupported browser!'
+				/>
+				}
+				{webrtcUnavailable &&
+				<FormattedMessage
+					id='unsupportedBrowser.titlewebrtcUnavailable'
+					defaultMessage='Required functionality not availble in your browser!'
+				/>
+				}
+			</DialogTitle>
+			<DialogContent dividers={dividers} >
+				<FormattedMessage
+					id='unsupportedBrowser.bodyText'
+					defaultMessage='This meeting service requires a
+						functionality that is not supported by your browser.
+						Please upgrade, or switch to a different browser, or
+						check your settings. Supported browsers:'
+				/>
+				<Grid container spacing={2} justify='center' alignItems='center'>
+					<Grid item xs={12} md={7}>
+
+						<div className={classes.list}>
+							<List dense={dense}>
+								{supportedBrowsers.map((browser, index) =>
+								{
+									const supportedBrowser = `${browser.vendor} ${browser.name}`;
+									const supportedVersion = `${browser.version}+`;
+
+									return (
+										<ListItem key={index}>
+											<ListItemAvatar>
+												<Avatar>
+													<WebAssetIcon />
+												</Avatar>
+											</ListItemAvatar>
+											<ListItemText
+												primary={supportedBrowser}
+												secondary={supportedVersion}
+											/>
+										</ListItem>
+									);
+								})}
+							</List>
+						</div>
+					</Grid>
+					<Grid item xs={12} md={5} align='center'>
+						<Hidden mdDown>
+							<ErrorIcon className={classes.errorAvatar} color='error'/>
+						</Hidden>
+					</Grid>
+				</Grid>
+			</DialogContent>
+		</Dialog>
+	);
+};
+
+UnsupportedBrowser.propTypes =
+{
+	webrtcUnavailable : PropTypes.bool.isRequired,
+	platform          : PropTypes.string.isRequired,
+	classes           : PropTypes.object.isRequired
+};
+
+export default withStyles(styles)(UnsupportedBrowser);
--- a/app/src/index.js
+++ b/app/src/index.js
@ -12,6 +12,7 @@ import RoomClient from './RoomClient';
 import RoomContext from './RoomContext';
 import deviceInfo from './deviceInfo';
 import * as meActions from './actions/meActions';
+import UnsupportedBrowser from './components/UnsupportedBrowser';
 import ChooseRoom from './components/ChooseRoom';
 import LoadingView from './components/LoadingView';
 import { MuiThemeProvider, createMuiTheme } from '@material-ui/core/styles';
@ -20,7 +21,7 @@ import { persistor, store } from './store';
 import { SnackbarProvider } from 'notistack';
 import * as serviceWorker from './serviceWorker';
 import { ReactLazyPreload } from './components/ReactLazyPreload';
-
+import { detectDevice } from 'mediasoup-client';
 // import messagesEnglish from './translations/en';
 import messagesNorwegian from './translations/nb';
 import messagesGerman from './translations/de';
@ -70,6 +71,18 @@ const messages =
 	'lv'      : messagesLatvian
 };

+const supportedBrowsers={
+	'windows' : {
+		'internet explorer' : '>12',
+		'microsoft edge'    : '>18'
+	},
+	'safari'                       : '>12',
+	'firefox'                      : '>=60',
+	'chrome'                       : '>=74',
+	'opera'                        : '>=62',
+	'samsung internet for android' : '>=11.1.1.52'
+};
+
 const browserLanguage = (navigator.language || navigator.browserLanguage).toLowerCase();

 let locale = browserLanguage.split(/[-_]/)[0]; // language without region code
@ -138,6 +151,58 @@ function run()
 	// Get current device.
 	const device = deviceInfo();

+	let unsupportedBrowser=false;
+
+	let webrtcUnavailable=false;
+
+	if (detectDevice() === undefined)
+	{
+		logger.error('Unsupported browser detected by mediasoup client detectDevice! deviceInfo: %o', device);
+		unsupportedBrowser=true;
+	}
+	else
+	if (
+		navigator.mediaDevices === undefined ||
+		navigator.mediaDevices.getUserMedia === undefined ||
+		window.RTCPeerConnection === undefined
+	)
+	{
+		logger.error('WebRTC is unavialable in your browser! deviceInfo: %o', device);
+		webrtcUnavailable=true;
+	}
+	else
+	if (!device.bowser.satisfies(
+		window.config.supportedBrowsers ? window.config.supportedBrowsers : supportedBrowsers)
+	)
+	{
+		logger.error(
+			'Your browser is not on the supported list! Ask your server admin to add your browser to the supported list, if you think that your browser should be supported! deviceInfo: %o',
+			device
+		);
+		unsupportedBrowser=true;
+	}
+	else
+	{
+		logger.debug('Supported Browser! deviceInfo: %o', device);
+	}
+
+	if (unsupportedBrowser || webrtcUnavailable)
+	{
+		render(
+			<MuiThemeProvider theme={theme}>
+				<RawIntlProvider value={intl}>
+					<UnsupportedBrowser
+						webrtcUnavailable={webrtcUnavailable}
+						platform={device.platform}
+					/>
+				</RawIntlProvider>
+			</MuiThemeProvider>,
+			document.getElementById('multiparty-meeting')
+		);
+
+		return;
+	}
+
 	store.dispatch(
 		meActions.setMe({
 			peerId,
--- a/app/src/localAudioAnalyzer.js
+++ b/app/src/localAudioAnalyzer.js
@ -0,0 +1,42 @@
+
+
+class AudioAnalyzer extends EventEmitter
+ 
+{
+	constructor()
+	{
+		if (prefix)
+		{
+			this._debug = debug(`${APP_NAME}:${prefix}`);
+			this._warn = debug(`${APP_NAME}:WARN:${prefix}`);
+			this._error = debug(`${APP_NAME}:ERROR:${prefix}`);
+		}
+		else
+		{
+			this._debug = debug(APP_NAME);
+			this._warn = debug(`${APP_NAME}:WARN`);
+			this._error = debug(`${APP_NAME}:ERROR`);
+		}
+
+		/* eslint-disable no-console */
+		this._debug.log = console.info.bind(console);
+		this._warn.log = console.warn.bind(console);
+		this._error.log = console.error.bind(console);
+		/* eslint-enable no-console */
+	}
+
+	get debug()
+	{
+		return this._debug;
+	}
+
+	get warn()
+	{
+		return this._warn;
+	}
+
+	get error()
+	{
+		return this._error;
+	}
+}
--- a/app/src/reducers/peerVolumes.js
+++ b/app/src/reducers/peerVolumes.js
@ -10,13 +10,13 @@ const peerVolumes = (state = initialState, action) =>
 				peerId
 			} = action.payload;

-			return { ...state, [peerId]: 0 };
+			return { ...state, [peerId]: -100 };
 		}
 		case 'ADD_PEER':
 		{
 			const { peer } = action.payload;

-			return { ...state, [peer.id]: 0 };
+			return { ...state, [peer.id]: -100 };
 		}

 		case 'REMOVE_PEER':
--- a/app/src/reducers/settings.js
+++ b/app/src/reducers/settings.js
@ -22,7 +22,6 @@ const initialState =
 	notificationSounds   : true,
 	buttonControlBar     : window.config.buttonControlBar || false,
 	drawerOverlayed      : window.config.drawerOverlayed || true,
-	autoMuteThreshold    : window.config.autoMuteThreshold || 4,
 	...window.config.defaultAudio
 };

@ -122,27 +121,6 @@ const settings = (state = initialState, action) =>
 			return { ...state, audio };
 		}

-		case 'TOGGLE_AUTO_GAIN_CONTROL':
-		{
-			const autoGainControl = !state.autoGainControl;
-
-			return { ...state, autoGainControl };
-		}
-
-		case 'TOGGLE_ECHO_CANCELLATION':
-		{
-			const echoCancellation = !state.echoCancellation;
-
-			return { ...state, echoCancellation };
-		}
-
-		case 'TOGGLE_NOISE_SUPPRESSION':
-		{
-			const noiseSuppression = !state.noiseSuppression;
-
-			return { ...state, noiseSuppression };
-		}
-
 		case 'SET_SAMPLE_SIZE':
 		{
 			const { sampleSize } = action.payload;
--- a/app/src/translations/cn.json
+++ b/app/src/translations/cn.json
@ -119,6 +119,7 @@
 	"label.addVideo": null,
 	"label.promoteAllPeers": null,
 	"label.moreActions": null,
+	"label.version": null,

 	"settings.settings": "设置",
 	"settings.camera": "视频设备",
@ -144,6 +145,8 @@
 	"settings.autoGainControl": null,
 	"settings.noiseSuppression": null,
 	"settings.drawerOverlayed": null,
+	"settings.voiceActivatedUnmute": null,
+	"settings.noiseThreshold": null,

 	"filesharing.saveFileError": "无法保存文件",
 	"filesharing.startingFileShare": "正在尝试共享文件",
@ -189,5 +192,9 @@
 	"moderator.clearFiles": null,
 	"moderator.muteAudio": null,
 	"moderator.muteVideo": null,
-	"moderator.muteScreenSharing": null
+	"moderator.stopScreenSharing": null,
+
+	"unsupportedBrowser.titleUnsupportedBrowser": null,
+	"unsupportedBrowser.titlewebrtcUnavailable": null,
+	"unsupportedBrowser.bodyText": null
 }
--- a/app/src/translations/cs.json
+++ b/app/src/translations/cs.json
@ -118,6 +118,7 @@
 	"label.addVideo": null,
 	"label.promoteAllPeers": null,
 	"label.moreActions": null,
+	"label.version": null,

 	"settings.settings": "Nastavení",
 	"settings.camera": "Kamera",
@ -143,6 +144,8 @@
 	"settings.autoGainControl": null,
 	"settings.noiseSuppression": null,
 	"settings.drawerOverlayed": null,
+	"settings.voiceActivatedUnmute": null,
+	"settings.noiseThreshold": null,

 	"filesharing.saveFileError": "Není možné uložit soubor",
 	"filesharing.startingFileShare": "Pokouším se sdílet soubor",
@ -188,5 +191,9 @@
 	"moderator.clearFiles": null,
 	"moderator.muteAudio": null,
 	"moderator.muteVideo": null,
-	"moderator.muteScreenSharing": null
+	"moderator.stopScreenSharing": null,
+
+	"unsupportedBrowser.titleUnsupportedBrowser": null,
+	"unsupportedBrowser.titlewebrtcUnavailable": null,
+	"unsupportedBrowser.bodyText": null
 }
--- a/app/src/translations/de.json
+++ b/app/src/translations/de.json
@ -119,6 +119,7 @@
 	"label.addVideo": "Video hinzufügen",
 	"label.promoteAllPeers": "Alle Teilnehmer reinlassen",
 	"label.moreActions": "Weitere Aktionen",
+	"label.version": null,

 	"settings.settings": "Einstellungen",
 	"settings.camera": "Kamera",
@ -144,6 +145,8 @@
 	"settings.autoGainControl": "Automatische Pegelregelung (Audioeingang)",
 	"settings.noiseSuppression": "Rauschunterdrückung",
 	"settings.drawerOverlayed": "Seitenpanel verdeckt Hauptinhalt",
+	"settings.voiceActivatedUnmute": null,
+	"settings.noiseThreshold": null,

 	"filesharing.saveFileError": "Fehler beim Speichern der Datei",
 	"filesharing.startingFileShare": "Starte Teilen der Datei",
@ -189,5 +192,9 @@
 	"moderator.clearFiles": "Moderator hat geteilte Dateiliste gelöscht",
 	"moderator.muteAudio": "Moderator hat dich stummgeschaltet",
 	"moderator.muteVideo": "Moderator hat dein Video gestoppt",
-	"moderator.muteScreenSharing": null
+	"moderator.stopScreenSharing": null,
+
+	"unsupportedBrowser.titleUnsupportedBrowser": null,
+	"unsupportedBrowser.titlewebrtcUnavailable": null,
+	"unsupportedBrowser.bodyText": null
 }
--- a/app/src/translations/dk.json
+++ b/app/src/translations/dk.json
@ -119,6 +119,7 @@
 	"label.addVideo": null,
 	"label.promoteAllPeers": null,
 	"label.moreActions": null,
+	"label.version": null,

 	"settings.settings": "Indstillinger",
 	"settings.camera": "Kamera",
@ -144,6 +145,8 @@
 	"settings.autoGainControl": null,
 	"settings.noiseSuppression": null,
 	"settings.drawerOverlayed": null,
+	"settings.voiceActivatedUnmute": null,
+	"settings.noiseThreshold": null,

 	"filesharing.saveFileError": "Kan ikke gemme fil",
 	"filesharing.startingFileShare": "Forsøger at dele filen",
@ -189,5 +192,9 @@
 	"moderator.clearFiles": null,
 	"moderator.muteAudio": null,
 	"moderator.muteVideo": null,
-	"moderator.muteScreenSharing": null
+	"moderator.stopScreenSharing": null,
+
+	"unsupportedBrowser.titleUnsupportedBrowser": null,
+	"unsupportedBrowser.titlewebrtcUnavailable": null,
+	"unsupportedBrowser.bodyText": null
 }
--- a/app/src/translations/el.json
+++ b/app/src/translations/el.json
@ -119,6 +119,7 @@
 	"label.addVideo": null,
 	"label.promoteAllPeers": null,
 	"label.moreActions": null,
+	"label.version": null,

 	"settings.settings": "Ρυθμίσεις",
 	"settings.camera": "Κάμερα",
@ -144,6 +145,8 @@
 	"settings.autoGainControl": null,
 	"settings.noiseSuppression": null,
 	"settings.drawerOverlayed": null,
+	"settings.voiceActivatedUnmute": null,
+	"settings.noiseThreshold": null,

 	"filesharing.saveFileError": "Αδυναμία αποθήκευσης του αρχείου",
 	"filesharing.startingFileShare": "Προσπάθεια διαμοιρασμού αρχείου",
@ -189,5 +192,9 @@
 	"moderator.clearFiles": null,
 	"moderator.muteAudio": null,
 	"moderator.muteVideo": null,
-	"moderator.muteScreenSharing": null
+	"moderator.stopScreenSharing": null,
+	
+	"unsupportedBrowser.titleUnsupportedBrowser": null,
+	"unsupportedBrowser.titlewebrtcUnavailable": null,
+	"unsupportedBrowser.bodyText": null
 }
--- a/app/src/translations/en.json
+++ b/app/src/translations/en.json
@ -119,6 +119,7 @@
 	"label.addVideo": "Add video",
 	"label.promoteAllPeers": "Promote all",
 	"label.moreActions": "More actions",
+	"label.version": "Version",

 	"settings.settings": "Settings",
 	"settings.camera": "Camera",
@ -144,6 +145,8 @@
 	"settings.autoGainControl": "Auto gain control",
 	"settings.noiseSuppression": "Noise suppression",
 	"settings.drawerOverlayed": "Side drawer over content",
+	"settings.voiceActivatedUnmute": "Voice activated unmute",
+	"settings.noiseThreshold": "Noise threshold",

 	"filesharing.saveFileError": "Unable to save file",
 	"filesharing.startingFileShare": "Attempting to share file",
@ -189,5 +192,9 @@
 	"moderator.clearFiles": "Moderator cleared the files",
 	"moderator.muteAudio": "Moderator muted your audio",
 	"moderator.muteVideo": "Moderator muted your video",
-	"moderator.muteScreenSharing": "Moderator muted your screen sharing"
+	"moderator.stopScreenSharing": "Moderator stopped your screen sharing",
+
+	"unsupportedBrowser.titleUsnsupportedBrowser": "Detected unsupported browser!",
+	"unsupportedBrowser.titlewebrtcUnavailable": "Required functionality not available in your browser!",
+	"unsupportedBrowser.bodyText": "This meeting service requires a functionality that is not supported by your browser. Please upgrade, or switch to a different browser, or check your settings. Supported browsers:"
 }
--- a/app/src/translations/es.json
+++ b/app/src/translations/es.json
@ -119,6 +119,7 @@
 	"label.addVideo": null,
 	"label.promoteAllPeers": null,
 	"label.moreActions": null,
+	"label.version": null,

 	"settings.settings": "Ajustes",
 	"settings.camera": "Cámara",
@ -144,6 +145,8 @@
 	"settings.autoGainControl": null,
 	"settings.noiseSuppression": null,
 	"settings.drawerOverlayed": null,
+	"settings.voiceActivatedUnmute": null,
+	"settings.noiseThreshold": null,

 	"filesharing.saveFileError": "No ha sido posible guardar el fichero",
 	"filesharing.startingFileShare": "Intentando compartir el fichero",
@ -189,5 +192,9 @@
 	"moderator.clearFiles": null,
 	"moderator.muteAudio": null,
 	"moderator.muteVideo": null,
-	"moderator.muteScreenSharing": null
+	"moderator.stopScreenSharing": null,
+
+	"unsupportedBrowser.titleUnsupportedBrowser": null,
+	"unsupportedBrowser.titlewebrtcUnavailable": null,
+	"unsupportedBrowser.bodyText": null
 }
--- a/app/src/translations/fr.json
+++ b/app/src/translations/fr.json
@ -119,6 +119,7 @@
 	"label.addVideo": null,
 	"label.promoteAllPeers": null,
 	"label.moreActions": null,
+	"label.version": null,

 	"settings.settings": "Paramètres",
 	"settings.camera": "Caméra",
@ -144,6 +145,8 @@
 	"settings.autoGainControl": null,
 	"settings.noiseSuppression": null,
 	"settings.drawerOverlayed": null,
+	"settings.voiceActivatedUnmute": null,
+	"settings.noiseThreshold": null,

 	"filesharing.saveFileError": "Impossible d'enregistrer le fichier",
 	"filesharing.startingFileShare": "Début du transfert de fichier",
@ -188,5 +191,9 @@
 	"moderator.clearFiles": null,
 	"moderator.muteAudio": null,
 	"moderator.muteVideo": null,
-	"moderator.muteScreenSharing": null
+	"moderator.stopScreenSharing": null,
+
+	"unsupportedBrowser.titleUnsupportedBrowser": null,
+	"unsupportedBrowser.titlewebrtcUnavailable": null,
+	"unsupportedBrowser.bodyText": null
 }
--- a/app/src/translations/hr.json
+++ b/app/src/translations/hr.json
@ -119,6 +119,7 @@
 	"label.addVideo": "Dodaj video",
 	"label.promoteAllPeers": "Promoviraj sve",
 	"label.moreActions": "Više akcija",
+	"label.version": null,

 	"settings.settings":  "Postavke",
 	"settings.camera": "Kamera",
@ -144,6 +145,8 @@
 	"settings.autoGainControl": "Automatsko upravljanje jačinom zvuka",
 	"settings.noiseSuppression": "Poništavanje šuma",
 	"settings.drawerOverlayed": "Bočni izbornik iznad sadržaja",
+	"settings.voiceActivatedUnmute": null,
+	"settings.noiseThreshold": null,

 	"filesharing.saveFileError": "Nije moguće spremiti datoteku",
 	"filesharing.startingFileShare": "Pokušaj dijeljenja datoteke",
@ -189,5 +192,9 @@
 	"moderator.clearFiles": "Moderator je izbrisao datoteke",
 	"moderator.muteAudio": "Moderator je utišao tvoj zvuk",
 	"moderator.muteVideo": "Moderator je zaustavio tvoj video",
-	"moderator.muteScreenSharing": null
+	"moderator.stopScreenSharing": null,
+
+	"unsupportedBrowser.titleUnsupportedBrowser": null,
+	"unsupportedBrowser.titlewebrtcUnavailable": null,
+	"unsupportedBrowser.bodyText": null
 }
--- a/app/src/translations/hu.json
+++ b/app/src/translations/hu.json
@ -66,7 +66,7 @@
 	"room.browsePeersSpotlight": "Résztvevők böngészése",
 	"room.stopAllScreenSharing": "Összes képernyőmegosztás leállítása",

-	"me.mutedPTT": "Némítva vagy, ha beszélnél nyomd le a szóköz billentyűt",
+	"me.mutedPTT": "Némítva vagy, ha beszélnél nyomd le a SZÓKÖZ billentyűt",

 	"roles.gotRole": "{role} szerepet kaptál",
 	"roles.lostRole": "Elvesztetted a {role} szerepet",
@ -86,9 +86,9 @@
 	"tooltip.muteParticipantVideo": "Résztvevő videóstreamének némítása",
 	"tooltip.raisedHand": "Jelentkezés",
 	"tooltip.muteScreenSharing": "Képernyőmegosztás szüneteltetése",
-	"tooltip.muteParticipantAudioModerator": "Résztvevő hangjának általános némítása",
-	"tooltip.muteParticipantVideoModerator": "Résztvevő videójának általános némítása",
-	"tooltip.muteScreenSharingModerator": "Résztvevő képernyőmegosztásának általános némítása",
+	"tooltip.muteParticipantAudioModerator": "Résztvevő hangjának némítása mindenkinél",
+	"tooltip.muteParticipantVideoModerator": "Résztvevő videójának némítása mindenkinél",
+	"tooltip.muteScreenSharingModerator": "Résztvevő képernyőmegosztásának leállítása mindenkinél",

 	"label.roomName": "Konferencia",
 	"label.chooseRoomButton": "Tovább",
@ -119,6 +119,7 @@
 	"label.addVideo": "Videó hozzáadása",
 	"label.promoteAllPeers": "Mindenkit beengedek",
 	"label.moreActions": "További műveletek",
+	"label.version": "Verzió",

 	"settings.settings": "Beállítások",
 	"settings.camera": "Kamera",
@ -144,6 +145,8 @@
 	"settings.autoGainControl": "Automatikus hangerő",
 	"settings.noiseSuppression": "Zajelnyomás",
 	"settings.drawerOverlayed": "Oldalsáv a tartalom felett",
+	"settings.voiceActivatedUnmute": "Beszéd aktivált mikrofon némítás",
+	"settings.noiseThreshold": "Zajszint",

 	"filesharing.saveFileError": "A file-t nem sikerült elmenteni",
 	"filesharing.startingFileShare": "Fájl megosztása",
@ -189,5 +192,9 @@
 	"moderator.clearFiles": "A moderátor kiürítette a file megosztás történelmet",
 	"moderator.muteAudio": "A moderátor elnémította a hangod",
 	"moderator.muteVideo": "A moderátor elnémította a videód",
-	"moderator.muteScreenSharing": "A moderátor leállította képernyőmegosztásod"
+	"moderator.stopScreenSharing": "A moderátor leállította a képernyőmegosztásod",
+
+	"unsupportedBrowser.titleUnsupportedBrowser": "A bőngésző verziód sajnos nem támogatott! :-(",
+	"unsupportedBrowser.titlewebrtcUnavailable": "A böngésződ egy szükséges funkciója nem elérhető!",
+	"unsupportedBrowser.bodyText": "Kérlek frissítsd a böngésződ, válts másik böngészőre, vagy ellenőrizd a böngésződ beállításait! Támogatott böngészők:"
 }
--- a/app/src/translations/it.json
+++ b/app/src/translations/it.json
@ -119,6 +119,7 @@
 	"label.addVideo": "Aggiungi video",
 	"label.promoteAllPeers": "Promuovi tutti",
 	"label.moreActions": "Altre azioni",
+	"label.version": null,

 	"settings.settings": "Impostazioni",
 	"settings.camera": "Videocamera",
@ -144,6 +145,8 @@
 	"settings.autoGainControl": "Controllo guadagno automatico",
 	"settings.noiseSuppression": "Riduzione del rumore",
 	"settings.drawerOverlayed": "Barra laterale sovrapposta",
+	"settings.voiceActivatedUnmute": null,
+	"settings.noiseThreshold": null,

 	"filesharing.saveFileError": "Impossibile salvare file",
 	"filesharing.startingFileShare": "Tentativo di condivisione file",
@ -189,5 +192,9 @@
 	"moderator.clearFiles": "Il moderatore ha pulito i file",
 	"moderator.muteAudio": "Il moderatore ha mutato il tuo audio",
 	"moderator.muteVideo": "Il moderatore ha fermato il tuo video",
-	"moderator.muteScreenSharing": null
+	"moderator.stopScreenSharing": null,
+
+	"unsupportedBrowser.titleUnsupportedBrowser": null,
+	"unsupportedBrowser.titlewebrtcUnavailable": null,
+	"unsupportedBrowser.bodyText": null
 }
--- a/app/src/translations/lv.json
+++ b/app/src/translations/lv.json
@ -116,6 +116,7 @@
 	"label.advanced": "Advancēts",
 	"label.addVideo": "Pievienot video",
 	"label.moreActions": null,
+	"label.version": null,

 	"settings.settings": "Iestatījumi",
 	"settings.camera": "Kamera",
@ -138,6 +139,8 @@
 	"settings.autoGainControl": null,
 	"settings.noiseSuppression": null,
 	"settings.drawerOverlayed": null,
+	"settings.voiceActivatedUnmute": null,
+	"settings.noiseThreshold": null,

 	"filesharing.saveFileError": "Nav iespējams saglabāt failu",
 	"filesharing.startingFileShare": "Tiek mēģināts kopīgot failu",
@ -183,5 +186,9 @@
 	"moderator.clearFiles": "Moderators notīrīja failus",
 	"moderator.muteAudio": "Moderators noklusināja jūsu mikrofonu",
 	"moderator.muteVideo": "Moderators atslēdza jūsu kameru",
-	"moderator.muteScreenSharing": null
+	"moderator.stopScreenSharing": null,
+
+	"unsupportedBrowser.titleUnsupportedBrowser": null,
+	"unsupportedBrowser.titlewebrtcUnavailable": null,
+	"unsupportedBrowser.bodyText": null
 }
--- a/app/src/translations/nb.json
+++ b/app/src/translations/nb.json
@ -119,6 +119,7 @@
 	"label.addVideo": "Legg til video",
 	"label.promoteAllPeers": "Slipp inn alle",
 	"label.moreActions": "Flere handlinger",
+	"label.version": null,

 	"settings.settings": "Innstillinger",
 	"settings.camera": "Kamera",
@ -144,6 +145,8 @@
 	"settings.autoGainControl": "Auto gain kontroll",
 	"settings.noiseSuppression": "Støy reduksjon",
 	"settings.drawerOverlayed": "Sidemeny over innhold",
+	"settings.voiceActivatedUnmute": null,
+	"settings.noiseThreshold": null,

 	"filesharing.saveFileError": "Klarte ikke å lagre fil",
 	"filesharing.startingFileShare": "Starter fildeling",
@ -189,5 +192,9 @@
 	"moderator.clearFiles": "Moderator fjernet filer",
 	"moderator.muteAudio": "Moderator mutet lyden din",
 	"moderator.muteVideo": "Moderator mutet videoen din",
-	"moderator.muteScreenSharing": null	
+	"moderator.stopScreenSharing": null,
+	
+	"unsupportedBrowser.titleUnsupportedBrowser": null,
+	"unsupportedBrowser.titlewebrtcUnavailable": null,
+	"unsupportedBrowser.bodyText": null
 }
--- a/app/src/translations/pl.json
+++ b/app/src/translations/pl.json
@ -119,6 +119,7 @@
 	"label.addVideo": "Dodaj wideo",
 	"label.promoteAllPeers": "Wpuść wszystkich",
 	"label.moreActions": "Więcej akcji",
+	"label.version": null,

 	"settings.settings": "Ustawienia",
 	"settings.camera": "Kamera",
@ -144,6 +145,8 @@
 	"settings.autoGainControl": "Auto korekta wzmocnienia",
 	"settings.noiseSuppression": "Wyciszenie szumów",
 	"settings.drawerOverlayed": "Szuflada nad zawartością",
+	"settings.voiceActivatedUnmute": null,
+	"settings.noiseThreshold": null,

 	"filesharing.saveFileError": "Nie można zapisać pliku",
 	"filesharing.startingFileShare": "Próba udostępnienia pliku",
@ -189,5 +192,9 @@
 	"moderator.clearFiles": "Moderator wyczyścił pliki",
 	"moderator.muteAudio": "Moderator wyciszył audio",
 	"moderator.muteVideo": "Moderator wyciszył twoje video",
-	"moderator.muteScreenSharing": null
+	"moderator.stopScreenSharing": null,
+
+	"unsupportedBrowser.titleUnsupportedBrowser": null,
+	"unsupportedBrowser.titlewebrtcUnavailable": null,
+	"unsupportedBrowser.bodyText": null
 }
--- a/app/src/translations/pt.json
+++ b/app/src/translations/pt.json
@ -119,6 +119,7 @@
 	"label.addVideo": null,
 	"label.promoteAllPeers": null,
 	"label.moreActions": null,
+	"label.version": null,

 	"settings.settings": "Definições",
 	"settings.camera": "Camera",
@ -144,6 +145,8 @@
 	"settings.autoGainControl": null,
 	"settings.noiseSuppression": null,
 	"settings.drawerOverlayed": null,
+	"settings.voiceActivatedUnmute": null,
+	"settings.noiseThreshold": null,

 	"filesharing.saveFileError": "Impossível de gravar o ficheiro",
 	"filesharing.startingFileShare": "Tentando partilha de ficheiro",
@ -189,5 +192,9 @@
 	"moderator.clearFiles": null,
 	"moderator.muteAudio": null,
 	"moderator.muteVideo": null,
-	"moderator.muteScreenSharing": null
+	"moderator.stopScreenSharing": null,
+
+	"unsupportedBrowser.titleUnsupportedBrowser": null,
+	"unsupportedBrowser.titlewebrtcUnavailable": null,
+	"unsupportedBrowser.bodyText": null
 }
--- a/app/src/translations/ro.json
+++ b/app/src/translations/ro.json
@ -119,6 +119,7 @@
 	"label.addVideo": null,
 	"label.promoteAllPeers": null,
 	"label.moreActions": null,
+	"label.version": null,

 	"settings.settings": "Setări",
 	"settings.camera": "Cameră video",
@ -144,6 +145,8 @@
 	"settings.autoGainControl": null,
 	"settings.noiseSuppression": null,
 	"settings.drawerOverlayed": null,
+	"settings.voiceActivatedUnmute": null,
+	"settings.noiseThreshold": null,

 	"filesharing.saveFileError": "Încercarea de a salva fișierul a eșuat",
 	"filesharing.startingFileShare": "Partajarea fișierului",
@ -189,5 +192,9 @@
 	"moderator.clearFiles": null,
 	"moderator.muteAudio": null,
 	"moderator.muteVideo": null,
-	"moderator.muteScreenSharing": null
+	"moderator.stopScreenSharing": null,
+
+	"unsupportedBrowser.titleUnsupportedBrowser": null,
+	"unsupportedBrowser.titlewebrtcUnavailable": null,
+	"unsupportedBrowser.bodyText": null
 }
--- a/app/src/translations/tr.json
+++ b/app/src/translations/tr.json
@ -119,6 +119,7 @@
 	"label.addVideo": null,
 	"label.promoteAllPeers": null,
 	"label.moreActions": null,
+	"label.version": null,

 	"settings.settings": "Ayarlar",
 	"settings.camera": "Kamera",
@ -141,6 +142,8 @@
 	"settings.autoGainControl": null,
 	"settings.noiseSuppression": null,
 	"settings.drawerOverlayed": null,
+	"settings.voiceActivatedUnmute": null,
+	"settings.noiseThreshold": null,

 	"filesharing.saveFileError": "Dosya kaydedilemiyor",
 	"filesharing.startingFileShare": "Paylaşılan dosyaya erişiliyor",
@ -181,5 +184,14 @@

 	"devices.cameraDisconnected": "Kamera bağlı değil",
 	"devices.cameraError": "Kameranıza erişilirken bir hata oluştu",
-	"moderator.muteScreenSharing": null
+	
+	"moderator.clearChat": null,
+	"moderator.clearFiles": null,
+	"moderator.muteAudio": null,
+	"moderator.muteVideo": null,
+	"moderator.stopScreenSharing": null,
+
+	"unsupportedBrowser.titleUnsupportedBrowser": null,
+	"unsupportedBrowser.titlewebrtcUnavailable": null,
+	"unsupportedBrowser.bodyText": null
 }
--- a/app/src/translations/tw.json
+++ b/app/src/translations/tw.json
@ -118,6 +118,7 @@
 	"label.addVideo": "新增視訊",
 	"label.promoteAllPeers": "提升全部",
 	"label.moreActions": "更多",
+	"label.version": null,

 	"settings.settings": "設置",
 	"settings.camera": "視訊來源",
@ -143,6 +144,8 @@
 	"settings.autoGainControl": "自動增益控制",
 	"settings.noiseSuppression": "噪音消除",
 	"settings.drawerOverlayed": "側邊欄覆蓋畫面",
+	"settings.voiceActivatedUnmute": null,
+	"settings.noiseThreshold": null,

 	"filesharing.saveFileError": "無法保存文件",
 	"filesharing.startingFileShare": "開始分享文件",
@ -188,5 +191,9 @@
 	"moderator.clearFiles": "管理員清除了所有檔案",
 	"moderator.muteAudio": "您已被管理員靜音",
 	"moderator.muteVideo": "您的視訊已被管理員關閉",
-	"moderator.muteScreenSharing": null
+	"moderator.stopScreenSharing": null,
+
+	"unsupportedBrowser.titleUnsupportedBrowser": null,
+	"unsupportedBrowser.titlewebrtcUnavailable": null,
+	"unsupportedBrowser.bodyText": null
 }
--- a/app/src/translations/uk.json
+++ b/app/src/translations/uk.json
@ -119,6 +119,7 @@
 	"label.addVideo": null,
 	"label.promoteAllPeers": null,
 	"label.moreActions": null,
+	"label.version": null,

 	"settings.settings": "Налаштування",
 	"settings.camera": "Камера",
@ -144,6 +145,8 @@
 	"settings.autoGainControl": null,
 	"settings.noiseSuppression": null,
 	"settings.drawerOverlayed": null,
+	"settings.voiceActivatedUnmute": null,
+	"settings.noiseThreshold": null,

 	"filesharing.saveFileError": "Неможливо зберегти файл",
 	"filesharing.startingFileShare": "Спроба поділитися файлом",
@ -189,5 +192,9 @@
 	"moderator.clearFiles": null,
 	"moderator.muteAudio": null,
 	"moderator.muteVideo": null,
-	"moderator.muteScreenSharing": null
+	"moderator.stopScreenSharing": null,
+	
+	"unsupportedBrowser.titleUnsupportedBrowser": null,
+	"unsupportedBrowser.titlewebrtcUnavailable": null,
+	"unsupportedBrowser.bodyText": null
 }
--- a/app/src/utils.js
+++ b/app/src/utils.js
@ -17,3 +17,21 @@ export const idle = (callback, delay) =>
 		handle = setTimeout(callback, delay);
 	};
 };
+
+/**
+ * Error produced when a socket request has a timeout.
+ */
+export class SocketTimeoutError extends Error
+{
+	constructor(message)
+	{
+		super(message);
+
+		this.name = 'SocketTimeoutError';
+
+		if (Error.hasOwnProperty('captureStackTrace')) // Just in V8.
+			Error.captureStackTrace(this, SocketTimeoutError);
+		else
+			this.stack = (new Error(message)).stack;
+	}
+}
--- a/server/.eslintrc.json
+++ b/server/.eslintrc.json
@ -106,6 +106,12 @@
 		"no-invalid-regexp": 2,
 		"no-invalid-this": 2,
 		"no-irregular-whitespace": 2,
+		"no-trailing-spaces": [
+			"error",
+			{
+				"ignoreComments": true
+			}
+		],
 		"no-lonely-if": 2,
 		"no-mixed-operators": 2,
 		"no-mixed-spaces-and-tabs": 2,
--- a/server/config/config.example.js
+++ b/server/config/config.example.js
@ -276,6 +276,10 @@ module.exports =
 	// maxUsersPerRoom    : 20,
 	// Room size before spreading to new router
 	routerScaleSize      : 40,
+	// Socket timout value
+	requestTimeout       : 20000,
+	// Socket retries when timeout
+	requestRetries       : 3,
 	// Mediasoup settings
 	mediasoup            :
 	{
--- a/server/lib/Room.js
+++ b/server/lib/Room.js
@ -3,6 +3,7 @@ const AwaitQueue = require('awaitqueue');
 const axios = require('axios');
 const Logger = require('./Logger');
 const Lobby = require('./Lobby');
+const { SocketTimeoutError } = require('./errors');
 const { v4: uuidv4 } = require('uuid');
 const jwt = require('jsonwebtoken');
 const userRoles = require('../userRoles');
@ -1759,9 +1760,9 @@ class Room extends EventEmitter
 				if (called)
 					return;
 				called = true;
-				callback(new Error('Request timeout.'));
+				callback(new SocketTimeoutError('Request timed out'));
 			},
-			10000
+			config.requestTimeout || 20000
 		);

 		return (...args) =>
@ -1775,7 +1776,7 @@ class Room extends EventEmitter
 		};
 	}

-	_request(socket, method, data = {})
+	_sendRequest(socket, method, data = {})
 	{
 		return new Promise((resolve, reject) =>
 		{
@ -1797,6 +1798,33 @@ class Room extends EventEmitter
 		});
 	}

+	async _request(socket, method, data)
+	{
+		logger.debug('_request() [method:"%s", data:"%o"]', method, data);
+
+		const {
+			requestRetries = 3
+		} = config;
+
+		for (let tries = 0; tries < requestRetries; tries++)
+		{
+			try
+			{
+				return await this._sendRequest(socket, method, data);
+			}
+			catch (error)
+			{
+				if (
+					error instanceof SocketTimeoutError &&
+					tries < requestRetries
+				)
+					logger.warn('_request() | timeout, retrying [attempt:"%s"]', tries);
+				else
+					throw error;
+			}
+		}
+	}
+
 	_notification(socket, method, data = {}, broadcast = false, includeSender = false)
 	{
 		if (broadcast)
--- a/server/lib/errors.js
+++ b/server/lib/errors.js
@ -0,0 +1,22 @@
+/**
+ * Error produced when a socket request has a timeout.
+ */
+class SocketTimeoutError extends Error
+{
+	constructor(message)
+	{
+		super(message);
+
+		this.name = 'SocketTimeoutError';
+
+		if (Error.hasOwnProperty('captureStackTrace')) // Just in V8.
+			Error.captureStackTrace(this, SocketTimeoutError);
+		else
+			this.stack = (new Error(message)).stack;
+	}
+}
+
+module.exports =
+{
+	SocketTimeoutError
+};