diff --git a/app/src/main/java/org/linphone/activities/main/chat/data/ChatRoomData.kt b/app/src/main/java/org/linphone/activities/main/chat/data/ChatRoomData.kt
index 3312a9087..b9e2b01fb 100644
--- a/app/src/main/java/org/linphone/activities/main/chat/data/ChatRoomData.kt
+++ b/app/src/main/java/org/linphone/activities/main/chat/data/ChatRoomData.kt
@@ -60,6 +60,10 @@ class ChatRoomData(private val chatRoom: ChatRoom) : ContactDataInterface {
 
     val lastMessageText = MutableLiveData<SpannableStringBuilder>()
 
+    val showLastMessageImdnIcon = MutableLiveData<Boolean>()
+
+    val lastMessageImdnIcon = MutableLiveData<Int>()
+
     val notificationsMuted = MutableLiveData<Boolean>()
 
     private val basicChatRoom: Boolean by lazy {
@@ -160,14 +164,26 @@ class ChatRoomData(private val chatRoom: ChatRoom) : ContactDataInterface {
         val builder = SpannableStringBuilder()
         if (msg == null) {
             lastMessageText.value = builder
+            showLastMessageImdnIcon.value = false
             return
         }
 
-        val sender: String =
-            coreContext.contactsManager.findContactByAddress(msg.fromAddress)?.name
-                ?: LinphoneUtils.getDisplayName(msg.fromAddress)
-        builder.append(sender)
-        builder.append(": ")
+        if (msg.isOutgoing && msg.state != ChatMessage.State.Displayed) {
+            msg.addListener(object : ChatMessageListenerStub() {
+                override fun onMsgStateChanged(message: ChatMessage, state: ChatMessage.State) {
+                    computeLastMessageImdnIcon(message)
+                }
+            })
+        }
+        computeLastMessageImdnIcon(msg)
+
+        if (!chatRoom.hasCapability(ChatRoomCapabilities.OneToOne.toInt())) {
+            val sender: String =
+                coreContext.contactsManager.findContactByAddress(msg.fromAddress)?.name
+                    ?: LinphoneUtils.getDisplayName(msg.fromAddress)
+            builder.append(coreContext.context.getString(R.string.chat_room_last_message_sender_format, sender))
+            builder.append(" ")
+        }
 
         for (content in msg.contents) {
             if (content.isIcalendar) {
@@ -189,6 +205,25 @@ class ChatRoomData(private val chatRoom: ChatRoom) : ContactDataInterface {
         lastMessageText.value = builder
     }
 
+    private fun computeLastMessageImdnIcon(msg: ChatMessage) {
+        val state = msg.state
+        showLastMessageImdnIcon.value = if (msg.isOutgoing) {
+            when (state) {
+                ChatMessage.State.DeliveredToUser, ChatMessage.State.Displayed,
+                ChatMessage.State.NotDelivered, ChatMessage.State.FileTransferError -> true
+                else -> false
+            }
+        } else {
+            false
+        }
+        lastMessageImdnIcon.value = when (state) {
+            ChatMessage.State.DeliveredToUser -> R.drawable.chat_delivered
+            ChatMessage.State.Displayed -> R.drawable.chat_read
+            ChatMessage.State.FileTransferError, ChatMessage.State.NotDelivered -> R.drawable.chat_error
+            else -> R.drawable.chat_error
+        }
+    }
+
     private fun areNotificationsMuted(): Boolean {
         val id = LinphoneUtils.getChatRoomId(chatRoom.localAddress, chatRoom.peerAddress)
         return corePreferences.chatRoomMuted(id)
diff --git a/app/src/main/res/layout/chat_room_list_cell.xml b/app/src/main/res/layout/chat_room_list_cell.xml
index 1f29840d4..1a9928e28 100644
--- a/app/src/main/res/layout/chat_room_list_cell.xml
+++ b/app/src/main/res/layout/chat_room_list_cell.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<layout xmlns:android="http://schemas.android.com/apk/res/android"
+<layout xmlns:tools="http://schemas.android.com/tools"
+    xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <data>
@@ -42,7 +43,7 @@
             coilContact="@{data}"
             android:layout_width="@dimen/contact_avatar_size"
             android:layout_height="@dimen/contact_avatar_size"
-            android:layout_marginLeft="5dp"
+            android:layout_marginStart="5dp"
             android:contentDescription="@null"
             android:background="@drawable/generated_avatar_bg"
             android:src="@drawable/voip_single_contact_avatar"
@@ -67,7 +68,7 @@
             android:id="@+id/securityLevel"
             android:layout_width="20dp"
             android:layout_height="20dp"
-            android:layout_marginLeft="25dp"
+            android:layout_marginStart="25dp"
             android:contentDescription="@{data.securityLevelContentDescription}"
             android:src="@{data.securityLevelIcon, default=@drawable/security_alert_indicator}"
             android:visibility="@{data.encryptedChatRoom ? View.VISIBLE : View.INVISIBLE, default=invisible}"
@@ -86,15 +87,16 @@
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintStart_toStartOf="@id/avatar"
             app:layout_constraintEnd_toEndOf="@id/securityLevel"
-            app:layout_constraintTop_toBottomOf="@id/avatar" />
+            app:layout_constraintTop_toBottomOf="@id/avatar"
+            tools:ignore="RtlHardcoded,RtlSymmetry" />
 
         <TextView
             android:id="@+id/title"
             style="@style/contact_name_list_cell_font"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
-            android:layout_marginLeft="10dp"
-            android:layout_marginRight="5dp"
+            android:layout_marginStart="10dp"
+            android:layout_marginEnd="5dp"
             android:singleLine="true"
             android:ellipsize="end"
             android:text="@{data.oneToOneChatRoom ? (data.contact.name ?? data.displayName) : data.subject, default=`Lorem Ipsum`}"
@@ -102,17 +104,27 @@
             app:layout_constraintEnd_toStartOf="@id/unread"
             app:layout_constraintTop_toTopOf="@id/avatar" />
 
+        <ImageView
+            android:id="@+id/imdn"
+            android:layout_width="15dp"
+            android:layout_height="wrap_content"
+            android:paddingEnd="3dp"
+            android:contentDescription="@string/content_description_delivery_status"
+            android:src="@{data.lastMessageImdnIcon, default=@drawable/chat_delivered}"
+            android:visibility="@{data.showLastMessageImdnIcon ? View.VISIBLE : View.GONE}"
+            app:layout_constraintStart_toStartOf="@id/title"
+            app:layout_constraintTop_toTopOf="@id/lastMessage"/>
+
         <TextView
             android:id="@+id/lastMessage"
             style="@style/standard_small_text_font"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
-            android:layout_marginLeft="10dp"
-            android:layout_marginRight="5dp"
+            android:layout_marginEnd="10dp"
             android:ellipsize="end"
             android:maxLines="2"
             android:text="@{data.lastMessageText, default=`Lorem ipsum dolor sit amet`}"
-            app:layout_constraintStart_toEndOf="@id/date"
+            app:layout_constraintStart_toEndOf="@id/imdn"
             app:layout_constraintEnd_toStartOf="@id/endBarrier"
             app:layout_constraintTop_toBottomOf="@id/title" />
 
@@ -130,7 +142,7 @@
             android:id="@+id/muted"
             android:layout_width="wrap_content"
             android:layout_height="20dp"
-            android:layout_marginRight="10dp"
+            android:layout_marginEnd="10dp"
             android:adjustViewBounds="true"
             android:contentDescription="@string/content_description_muted_chat_room"
             android:src="@drawable/chat_room_menu_mute_notifications"
@@ -143,7 +155,7 @@
             style="@style/unread_count_font"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_marginRight="10dp"
+            android:layout_marginEnd="10dp"
             android:background="@drawable/unread_message_count_bg"
             android:ellipsize="end"
             android:gravity="center"
@@ -157,7 +169,7 @@
             android:id="@+id/ephemeral"
             android:layout_width="wrap_content"
             android:layout_height="20dp"
-            android:layout_marginRight="10dp"
+            android:layout_marginEnd="10dp"
             android:layout_marginBottom="5dp"
             android:adjustViewBounds="true"
             android:contentDescription="@string/content_description_ephemeral_chat_room"
@@ -185,7 +197,8 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             app:barrierDirection="left"
-            app:constraint_referenced_ids="ephemeral, muted, forward"/>
+            app:constraint_referenced_ids="ephemeral, muted, forward"
+            app:layout_constraintStart_toEndOf="@id/lastMessage"/>
 
         <androidx.constraintlayout.widget.Barrier
             android:id="@+id/endBarrier3"
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index 1a2be1b61..5f199ea88 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -771,4 +771,5 @@
     <string name="account_setting_delete_generic_confirmation_dialog">Votre compte sera supprimé localement.\nPour le supprimer de manière définitive, rendez-vous sur le site internet de votre fournisseur SIP.</string>
     <string name="account_setting_delete_sip_linphone_org_confirmation_dialog">Votre compte sera supprimé localement.\nPour le supprimer de manière définitive, rendez-vous sur notre plateforme de gestion des comptes :</string>
     <string name="call_action_attended_transfer_call">Transfert supervisé</string>
+    <string name="chat_room_last_message_sender_format">%s :</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 6b07d09df..cc35810b3 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -137,6 +137,7 @@
 
     <!-- Chat -->
     <string name="no_chat_history">No conversations</string>
+    <string name="chat_room_last_message_sender_format">%s:</string>
     <string name="chat_remote_is_composing">Remote is writing&#8230;</string>
     <string name="chat_event_conference_created">You have joined the group</string>
     <string name="chat_event_conference_destroyed">You have left the group</string>