diff --git a/.gitignore b/.gitignore
index 95dc7dd..73ca3ce 100644
--- a/.gitignore
+++ b/.gitignore
@@ -94,6 +94,7 @@ public/media/*
 !public/media/marker-shadow.png
 !public/media/bell_long.mp3
 !public/media/bell_short.mp3
+!public/media/bell_message.mp3
 *.bak
 *.save
 
diff --git a/public/js/client_dbrd.js b/public/js/client_dbrd.js
index 339bee3..bc49c69 100755
--- a/public/js/client_dbrd.js
+++ b/public/js/client_dbrd.js
@@ -616,5 +616,15 @@ socket.on('io.new_rmld', function (data) {
     // Anzahl der Rückmeldung zählen
     recount_rmld(pg_waip_uuid);
   });
-
+  var audio = document.getElementById('audio');
+  audio.src = ('/media/bell_message.mp3');
+  // Audio-Blockade des Browsers erkennen
+  var playPromise = document.querySelector('audio').play();
+  if (playPromise !== undefined) {
+    playPromise.then(function () {
+      audio.play();
+    }).catch(function (error) {
+      console.log('Notification playback failed'); 
+    });
+  };
 });
diff --git a/public/js/client_waip.js b/public/js/client_waip.js
index 0d6bc0e..b394f65 100644
--- a/public/js/client_waip.js
+++ b/public/js/client_waip.js
@@ -532,6 +532,18 @@ socket.on('io.new_rmld', function (data) {
   });
   // Text anpassen
   resize_text();
+  // Bing abspielen
+  var audio = document.getElementById('audio');
+  audio.src = ('/media/bell_message.mp3');
+  // Audio-Blockade des Browsers erkennen
+  var playPromise = document.querySelector('audio').play();
+  if (playPromise !== undefined) {
+    playPromise.then(function () {
+      audio.play();
+    }).catch(function (error) {
+      console.log('Notification playback failed'); 
+    });
+  };
 });
 
 /* ########################### */
diff --git a/public/media/bell_message.mp3 b/public/media/bell_message.mp3
new file mode 100755
index 0000000..bd69102
Binary files /dev/null and b/public/media/bell_message.mp3 differ
diff --git a/views/includes/master_dashboard.pug b/views/includes/master_dashboard.pug
index b2d2906..9581bce 100755
--- a/views/includes/master_dashboard.pug
+++ b/views/includes/master_dashboard.pug
@@ -317,5 +317,7 @@ style(type='text/css').
               h3.list-group-item.list-group-item-light.flex-fill.text-dark 0 AGT
         //button#rueckmeldung.btn.btn-danger.btn-lg.btn-block.ion-md-paper-plane(type='button')  Rückmeldung senden
   // TODO: zeitstrahl der den Ablauf anzeigt
-
+.d-none
+  audio#audio(controls='')
+      source(src='', type='audio/mpeg')