diff --git a/changelog.d/7283.wip b/changelog.d/7283.wip
new file mode 100644
index 00000000000..f7cbd323f1d
--- /dev/null
+++ b/changelog.d/7283.wip
@@ -0,0 +1 @@
+[Voice Broadcast] Aggregate state events in the timeline
diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/MessageItemFactory.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/MessageItemFactory.kt
index e7833c28249..06da69fc1a8 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/MessageItemFactory.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/MessageItemFactory.kt
@@ -43,7 +43,9 @@ import im.vector.app.features.home.room.detail.timeline.helper.ContentUploadStat
 import im.vector.app.features.home.room.detail.timeline.helper.LocationPinProvider
 import im.vector.app.features.home.room.detail.timeline.helper.MessageInformationDataFactory
 import im.vector.app.features.home.room.detail.timeline.helper.MessageItemAttributesFactory
+import im.vector.app.features.home.room.detail.timeline.helper.TimelineEventsGroup
 import im.vector.app.features.home.room.detail.timeline.helper.TimelineMediaSizeProvider
+import im.vector.app.features.home.room.detail.timeline.helper.VoiceBroadcastEventsGroup
 import im.vector.app.features.home.room.detail.timeline.item.AbsMessageItem
 import im.vector.app.features.home.room.detail.timeline.item.MessageAudioItem
 import im.vector.app.features.home.room.detail.timeline.item.MessageAudioItem_
@@ -81,6 +83,7 @@ import im.vector.app.features.media.VideoContentRenderer
 import im.vector.app.features.settings.VectorPreferences
 import im.vector.app.features.voice.AudioWaveformView
 import im.vector.app.features.voicebroadcast.model.MessageVoiceBroadcastInfoContent
+import im.vector.app.features.voicebroadcast.model.VoiceBroadcastState
 import im.vector.lib.core.utils.epoxy.charsequence.toEpoxyCharSequence
 import me.gujun.android.span.span
 import org.matrix.android.sdk.api.MatrixUrls.isMxcUrl
@@ -200,7 +203,7 @@ class MessageItemFactory @Inject constructor(
             is MessagePollContent -> buildPollItem(messageContent, informationData, highlight, callback, attributes)
             is MessageLocationContent -> buildLocationItem(messageContent, informationData, highlight, attributes)
             is MessageBeaconInfoContent -> liveLocationShareMessageItemFactory.create(params.event, highlight, attributes)
-            is MessageVoiceBroadcastInfoContent -> buildVoiceBroadcastItem(messageContent, highlight, callback, attributes)
+            is MessageVoiceBroadcastInfoContent -> buildVoiceBroadcastItem(messageContent, params.eventsGroup, highlight, callback, attributes)
             else -> buildNotHandledMessageItem(messageContent, informationData, highlight, callback, attributes)
         }
         return messageItem?.apply {
@@ -712,14 +715,19 @@ class MessageItemFactory @Inject constructor(
 
     private fun buildVoiceBroadcastItem(
             messageContent: MessageVoiceBroadcastInfoContent,
+            eventsGroup: TimelineEventsGroup?,
             highlight: Boolean,
             callback: TimelineEventController.Callback?,
             attributes: AbsMessageItem.Attributes,
     ): MessageVoiceBroadcastItem? {
+        if (messageContent.voiceBroadcastState != VoiceBroadcastState.STARTED) return null
+        val voiceBroadcastEventsGroup = eventsGroup?.let { VoiceBroadcastEventsGroup(it) } ?: return null
+        val mostRecentEvent = voiceBroadcastEventsGroup.getLastEvent()
+        val mostRecentMessageContent = (mostRecentEvent.getVectorLastMessageContent() as? MessageVoiceBroadcastInfoContent) ?: return null
         return MessageVoiceBroadcastItem_()
                 .attributes(attributes)
                 .highlighted(highlight)
-                .voiceBroadcastState(messageContent.voiceBroadcastState)
+                .voiceBroadcastState(mostRecentMessageContent.voiceBroadcastState)
                 .leftGuideline(avatarSizeProvider.leftGuideline)
                 .callback(callback)
     }
diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/helper/TimelineEventsGroups.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/helper/TimelineEventsGroups.kt
index 4ff8a9fa439..bd211a4513e 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/helper/TimelineEventsGroups.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/helper/TimelineEventsGroups.kt
@@ -17,6 +17,9 @@
 package im.vector.app.features.home.room.detail.timeline.helper
 
 import im.vector.app.core.utils.TextUtils
+import im.vector.app.features.voicebroadcast.STATE_ROOM_VOICE_BROADCAST_INFO
+import im.vector.app.features.voicebroadcast.model.VoiceBroadcastState
+import im.vector.app.features.voicebroadcast.model.asVoiceBroadcastEvent
 import org.matrix.android.sdk.api.extensions.orFalse
 import org.matrix.android.sdk.api.session.events.model.EventType
 import org.matrix.android.sdk.api.session.events.model.toModel
@@ -54,12 +57,13 @@ class TimelineEventsGroups {
     private fun TimelineEvent.getGroupIdOrNull(): String? {
         val type = root.getClearType()
         val content = root.getClearContent()
-        return if (EventType.isCallEvent(type)) {
-            (content?.get("call_id") as? String)
-        } else if (type == EventType.STATE_ROOM_WIDGET || type == EventType.STATE_ROOM_WIDGET_LEGACY) {
-            root.stateKey
-        } else {
-            null
+        return when {
+            EventType.isCallEvent(type) -> (content?.get("call_id") as? String)
+            type == STATE_ROOM_VOICE_BROADCAST_INFO -> root.asVoiceBroadcastEvent()?.reference?.eventId
+            type == EventType.STATE_ROOM_WIDGET || type == EventType.STATE_ROOM_WIDGET_LEGACY -> root.stateKey
+            else -> {
+                null
+            }
         }
     }
 
@@ -128,3 +132,10 @@ class CallSignalingEventsGroup(private val group: TimelineEventsGroup) {
         return group.events.firstOrNull { it.root.getClearType() == EventType.CALL_REJECT }
     }
 }
+
+class VoiceBroadcastEventsGroup(private val group: TimelineEventsGroup) {
+    fun getLastEvent(): TimelineEvent {
+        return group.events.find { it.root.asVoiceBroadcastEvent()?.content?.voiceBroadcastState == VoiceBroadcastState.STOPPED }
+                ?: group.events.maxBy { it.root.originServerTs ?: 0L }
+    }
+}
diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/item/MessageVoiceBroadcastItem.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/item/MessageVoiceBroadcastItem.kt
index bd6a5b7bdbf..14a4fc6b07d 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/item/MessageVoiceBroadcastItem.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/item/MessageVoiceBroadcastItem.kt
@@ -35,6 +35,8 @@ abstract class MessageVoiceBroadcastItem : AbsMessageItem<MessageVoiceBroadcastI
     @EpoxyAttribute
     var voiceBroadcastState: VoiceBroadcastState? = null
 
+    override fun isCacheable(): Boolean = false
+
     override fun bind(holder: Holder) {
         super.bind(holder)
         bindVoiceBroadcastItem(holder)