diff --git a/conference.js b/conference.js
index dd6016e12..e90754bde 100644
--- a/conference.js
+++ b/conference.js
@@ -1283,6 +1283,30 @@ export default {
             // FIXME close
         });
 
+        room.on(ConferenceEvents.SUSPEND_DETECTED, () => {
+            // After wake up, we will be in a state where conference is left
+            // there will be dialog shown to user.
+            // We do not want video/audio as we show an overlay and after it
+            // user need to rejoin or close, while waking up we can detect
+            // camera wakeup as a problem with device.
+            // We also do not care about device change, which happens
+            // on resume after suspending PC.
+            if (this.deviceChangeListener)
+                JitsiMeetJS.mediaDevices.removeEventListener(
+                    JitsiMeetJS.events.mediaDevices.DEVICE_LIST_CHANGED,
+                    this.deviceChangeListener);
+
+            // stop local video
+            if (localVideo)
+                localVideo.dispose();
+            // stop local audio
+            if (localAudio)
+                localAudio.dispose();
+
+            // show overlay
+            APP.UI.showSuspendedOverlay();
+        });
+
         room.on(ConferenceEvents.DTMF_SUPPORT_CHANGED, (isDTMFSupported) => {
             APP.UI.updateDTMFSupport(isDTMFSupported);
         });
@@ -1617,11 +1641,12 @@ export default {
                 APP.UI.onAvailableDevicesChanged(devices);
             });
 
+            this.deviceChangeListener = (devices) =>
+                window.setTimeout(
+                    () => this._onDeviceListChanged(devices), 0);
             JitsiMeetJS.mediaDevices.addEventListener(
                 JitsiMeetJS.events.mediaDevices.DEVICE_LIST_CHANGED,
-                (devices) =>
-                    window.setTimeout(
-                        () => this._onDeviceListChanged(devices), 0));
+                this.deviceChangeListener);
         }
     },
     /**