diff --git a/react/features/base/media/middleware.js b/react/features/base/media/middleware.js
index 47a5b7cdf..b12ce0a36 100644
--- a/react/features/base/media/middleware.js
+++ b/react/features/base/media/middleware.js
@@ -1,61 +1,95 @@
 /* @flow */
 
-import { CONFERENCE_LEFT } from '../conference';
+import { SET_ROOM } from '../conference';
+import { parseURLParams } from '../config';
 import { MiddlewareRegistry } from '../redux';
 import { setTrackMuted, TRACK_ADDED } from '../tracks';
 
-import {
-    setAudioMuted,
-    setCameraFacingMode,
-    setVideoMuted
-} from './actions';
+import { setAudioMuted, setCameraFacingMode, setVideoMuted } from './actions';
 import { CAMERA_FACING_MODE, MEDIA_TYPE } from './constants';
 
 /**
- * Middleware that captures CONFERENCE_LEFT action and restores initial state
- * for media devices. Also captures TRACK_ADDED to sync 'muted' state.
+ * Implements the entry point of the middleware of the feature base/media.
  *
- * @param {Store} store - Redux store.
+ * @param {Store} store - The redux store.
  * @returns {Function}
  */
 MiddlewareRegistry.register(store => next => action => {
-    const result = next(action);
-
     switch (action.type) {
-    case CONFERENCE_LEFT:
-        _resetInitialMediaState(store);
-        break;
+    case SET_ROOM:
+        return _setRoom(store, next, action);
+
+    case TRACK_ADDED: {
+        const result = next(action);
 
-    case TRACK_ADDED:
         action.track.local && _syncTrackMutedState(store, action.track);
-        break;
+
+        return result;
+    }
     }
 
-    return result;
+    return next(action);
 });
 
 /**
- * Resets initial media state.
+ * Notifies the feature base/media that the action {@link SET_ROOM} is being
+ * dispatched within a specific redux {@code store}.
  *
- * @param {Store} store - Redux store.
+ * @param {Store} store - The redux store in which the specified {@code action}
+ * is being dispatched.
+ * @param {Dispatch} next - The redux {@code dispatch} function to dispatch the
+ * specified {@code action} to the specified {@code store}.
+ * @param {Action} action - The redux action, {@code SET_ROOM}, which is being
+ * dispatched in the specified {@code store}.
  * @private
- * @returns {void}
+ * @returns {Object} The new state that is the result of the reduction of the
+ * specified {@code action}.
  */
-function _resetInitialMediaState(store) {
-    const { dispatch, getState } = store;
-    const state = getState()['features/base/media'];
+function _setRoom({ dispatch, getState }, next, action) {
+    const state = getState();
+    let audioMuted;
+    let videoMuted;
 
-    state.audio.muted && dispatch(setAudioMuted(false));
-    (state.video.facingMode !== CAMERA_FACING_MODE.USER)
+    if (action.room) {
+        // The Jitsi Meet client may override the Jitsi Meet deployment on the
+        // subject of startWithAudioMuted and/or startWithVideoMuted in the
+        // (location) URL.
+        const urlParams
+            = parseURLParams(state['features/base/connection'].locationURL);
+
+        audioMuted = urlParams['config.startWithAudioMuted'];
+        videoMuted = urlParams['config.startWithVideoMuted'];
+    }
+
+    // Of course, the Jitsi Meet deployment may define startWithAudioMuted
+    // and/or startWithVideoMuted through config.js which should be respected if
+    // the client did not override it.
+    const config = state['features/base/config'];
+
+    typeof audioMuted === 'undefined'
+        && (audioMuted = config.startWithAudioMuted);
+    typeof videoMuted === 'undefined'
+        && (videoMuted = config.startWithVideoMuted);
+
+    // Apply startWithAudioMuted and startWithVideoMuted.
+    const { audio, video } = state['features/base/media'];
+
+    audioMuted = Boolean(audioMuted);
+    videoMuted = Boolean(videoMuted);
+
+    (audio.muted !== audioMuted) && dispatch(setAudioMuted(audioMuted));
+    (video.facingMode !== CAMERA_FACING_MODE.USER)
         && dispatch(setCameraFacingMode(CAMERA_FACING_MODE.USER));
-    state.video.muted && dispatch(setVideoMuted(false));
+    (video.muted !== videoMuted) && dispatch(setVideoMuted(videoMuted));
+
+    return next(action);
 }
 
 /**
  * Syncs muted state of local media track with muted state from media state.
  *
- * @param {Store} store - Redux store.
- * @param {Track} track - Local media track.
+ * @param {Store} store - The redux store.
+ * @param {Track} track - The local media track.
  * @private
  * @returns {void}
  */
@@ -66,16 +100,18 @@ function _syncTrackMutedState(store, track) {
     // XXX If muted state of track when it was added is different from our media
     // muted state, we need to mute track and explicitly modify 'muted' property
     // on track. This is because though TRACK_ADDED action was dispatched it's
-    // not yet in Redux state and JitsiTrackEvents.TRACK_MUTE_CHANGED may be
+    // not yet in redux state and JitsiTrackEvents.TRACK_MUTE_CHANGED may be
     // fired before track gets to state.
     if (track.muted !== muted) {
         track.muted = muted;
         setTrackMuted(track.jitsiTrack, muted)
             .catch(error => {
                 console.error(`setTrackMuted(${muted}) failed`, error);
+
                 const setMuted
                     = track.mediaType === MEDIA_TYPE.AUDIO
-                        ? setAudioMuted : setVideoMuted;
+                        ? setAudioMuted
+                        : setVideoMuted;
 
                 // Failed to sync muted state - dispatch rollback action
                 store.dispatch(setMuted(!muted));