diff --git a/app/src/main/java/org/linphone/ui/main/viewmodel/MainViewModel.kt b/app/src/main/java/org/linphone/ui/main/viewmodel/MainViewModel.kt
index 27a9c7334..fc7184eba 100644
--- a/app/src/main/java/org/linphone/ui/main/viewmodel/MainViewModel.kt
+++ b/app/src/main/java/org/linphone/ui/main/viewmodel/MainViewModel.kt
@@ -40,6 +40,7 @@ import org.linphone.core.ChatRoom
 import org.linphone.core.Core
 import org.linphone.core.CoreListenerStub
 import org.linphone.core.GlobalState
+import org.linphone.core.MessageWaitingIndication
 import org.linphone.core.RegistrationState
 import org.linphone.core.VFS
 import org.linphone.core.tools.Log
@@ -53,6 +54,7 @@ class MainViewModel @UiThread constructor() : ViewModel() {
         private const val TAG = "[Main ViewModel]"
 
         const val NONE = 0
+        const val MWI_MESSAGES_WAITING = 4
         const val NON_DEFAULT_ACCOUNT_NOTIFICATIONS = 5
         const val NON_DEFAULT_ACCOUNT_NOT_CONNECTED = 10
         const val SEND_NOTIFICATIONS_PERMISSION_NOT_GRANTED = 17
@@ -288,6 +290,32 @@ class MainViewModel @UiThread constructor() : ViewModel() {
                 lastAccountRemovedEvent.postValue(Event(true))
             }
         }
+
+        @WorkerThread
+        override fun onMessageWaitingIndicationChanged(
+            core: Core,
+            event: org.linphone.core.Event,
+            mwi: MessageWaitingIndication
+        ) {
+            if (mwi.hasMessageWaiting()) {
+                val summaries = mwi.summaries
+                Log.i(
+                    "$TAG MWI NOTIFY received, messages are waiting ([${summaries.size}] summaries)"
+                )
+                if (summaries.isNotEmpty()) {
+                    val summary = summaries.first()
+                    val label = AppUtils.getStringWithPlural(
+                        R.plurals.mwi_messages_are_waiting,
+                        summary.nbNew,
+                        summary.nbNew.toString()
+                    )
+                    addAlert(MWI_MESSAGES_WAITING, label)
+                }
+            } else {
+                Log.i("$TAG MWI NOTIFY received, no message is waiting")
+                removeAlert(MWI_MESSAGES_WAITING)
+            }
+        }
     }
 
     init {
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index bcbd159e1..3f9c8c5d2 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -743,6 +743,10 @@
     <string name="generic_address_picker_contacts_list_title">Contacts</string>
     <string name="generic_address_picker_suggestions_list_title">Suggestions</string>
     <string name="post_notifications_permission_not_granted">La permission de poster des notifications n\'est pas donnée !</string>
+    <plurals name="mwi_messages_are_waiting">
+        <item quantity="one">%s message vocal en attente</item>
+        <item quantity="other">%s messages vocaux en attente</item>
+    </plurals>
 
     <!-- Keep <u></u> in the following strings translations! -->
     <string name="welcome_carousel_skip"><u>Passer</u></string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index a6a0a7910..c75065098 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -781,6 +781,10 @@
     <string name="generic_address_picker_contacts_list_title">Contacts</string>
     <string name="generic_address_picker_suggestions_list_title">Suggestions</string>
     <string name="post_notifications_permission_not_granted">Post notifications permission not granted!</string>
+    <plurals name="mwi_messages_are_waiting">
+        <item quantity="one">%s new voice message</item>
+        <item quantity="other">%s new voice messages</item>
+    </plurals>
 
     <!-- Keep <u></u> in the following strings translations! -->
     <string name="welcome_carousel_skip"><u>Skip</u></string>