diff --git a/newsfragment/3520.misc b/newsfragment/3520.misc
new file mode 100644
index 0000000000..d015c3e03d
--- /dev/null
+++ b/newsfragment/3520.misc
@@ -0,0 +1 @@
+VoIP: Merge virtual room timeline in corresponding native room (call events only).
\ No newline at end of file
diff --git a/vector/src/main/java/im/vector/app/features/call/lookup/CallUserMapper.kt b/vector/src/main/java/im/vector/app/features/call/lookup/CallUserMapper.kt
index 161b6d59c8..aa7654c405 100644
--- a/vector/src/main/java/im/vector/app/features/call/lookup/CallUserMapper.kt
+++ b/vector/src/main/java/im/vector/app/features/call/lookup/CallUserMapper.kt
@@ -27,14 +27,14 @@ import org.matrix.android.sdk.api.session.room.model.create.CreateRoomParams
 class CallUserMapper(private val session: Session, private val protocolsChecker: CallProtocolsChecker) {
 
     fun nativeRoomForVirtualRoom(roomId: String): String? {
-        if(!protocolsChecker.supportVirtualRooms) return null
+        if (!protocolsChecker.supportVirtualRooms) return null
         val virtualRoom = session.getRoom(roomId) ?: return null
         val virtualRoomEvent = virtualRoom.getAccountDataEvent(RoomAccountDataTypes.EVENT_TYPE_VIRTUAL_ROOM)
         return virtualRoomEvent?.content?.toModel<RoomVirtualContent>()?.nativeRoomId
     }
 
     fun virtualRoomForNativeRoom(roomId: String): String? {
-        if(!protocolsChecker.supportVirtualRooms) return null
+        if (!protocolsChecker.supportVirtualRooms) return null
         val virtualRoomEvents = session.accountDataService().getRoomAccountDataEvents(setOf(RoomAccountDataTypes.EVENT_TYPE_VIRTUAL_ROOM))
         return virtualRoomEvents.firstOrNull {
             val virtualRoomContent = it.content.toModel<RoomVirtualContent>()
diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/RoomDetailViewModel.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/RoomDetailViewModel.kt
index 29a206eadd..69aa1e83d3 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/RoomDetailViewModel.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/RoomDetailViewModel.kt
@@ -50,7 +50,6 @@ import im.vector.app.features.home.room.detail.composer.rainbow.RainbowGenerator
 import im.vector.app.features.home.room.detail.sticker.StickerPickerActionHandler
 import im.vector.app.features.home.room.detail.timeline.factory.TimelineFactory
 import im.vector.app.features.home.room.detail.timeline.helper.RoomSummariesHolder
-import im.vector.app.features.home.room.detail.timeline.helper.TimelineSettingsFactory
 import im.vector.app.features.home.room.detail.timeline.url.PreviewUrlRetriever
 import im.vector.app.features.home.room.typing.TypingHelper
 import im.vector.app.features.powerlevel.PowerLevelsObservableFactory
@@ -119,7 +118,7 @@ class RoomDetailViewModel @AssistedInject constructor(
         private val chatEffectManager: ChatEffectManager,
         private val directRoomHelper: DirectRoomHelper,
         private val jitsiService: JitsiService,
-        private val timelineFactory: TimelineFactory,
+        timelineFactory: TimelineFactory
 ) : VectorViewModel<RoomDetailViewState, RoomDetailAction, RoomDetailViewEvents>(initialState),
         Timeline.Listener, ChatEffectManager.Delegate, CallProtocolsChecker.Listener {
 
diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/CallItemFactory.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/CallItemFactory.kt
index bb6b61e8e9..9697fb6672 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/CallItemFactory.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/CallItemFactory.kt
@@ -135,7 +135,7 @@ class CallItemFactory @Inject constructor(
             isStillActive: Boolean,
             callback: TimelineEventController.Callback?
     ): CallTileTimelineItem? {
-        val correctedRoomId = session.vectorCallService.userMapper.nativeRoomForVirtualRoom(roomId) ?:roomId
+        val correctedRoomId = session.vectorCallService.userMapper.nativeRoomForVirtualRoom(roomId) ?: roomId
         val userOfInterest = roomSummariesHolder.get(correctedRoomId)?.toMatrixItem() ?: return null
         val attributes = messageItemAttributesFactory.create(null, informationData, callback).let {
             CallTileTimelineItem.Attributes(
diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/merged/MergedTimelines.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/merged/MergedTimelines.kt
index 480fd43037..0d5dbc5a8e 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/merged/MergedTimelines.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/timeline/merged/MergedTimelines.kt
@@ -77,10 +77,18 @@ class MergedTimelines(
     }
 
     override fun addListener(listener: Timeline.Listener): Boolean {
-        val mainTimelineListener = ListenerInterceptor(mainTimeline, listener, false, emptyList()) {
+        val mainTimelineListener = ListenerInterceptor(
+                timeline = mainTimeline,
+                wrappedListener = listener,
+                shouldFilterTypes = false,
+                allowedTypes = emptyList()) {
             processTimelineUpdates(::mainIsInit, mainTimelineEvents, it)
         }
-        val secondaryTimelineListener = ListenerInterceptor(secondaryTimeline, listener, secondaryTimelineParams.shouldFilterTypes, secondaryTimelineParams.allowedTypes) {
+        val secondaryTimelineListener = ListenerInterceptor(
+                timeline = secondaryTimeline,
+                wrappedListener = listener,
+                shouldFilterTypes = secondaryTimelineParams.shouldFilterTypes,
+                allowedTypes = secondaryTimelineParams.allowedTypes) {
             processTimelineUpdates(::secondaryIsInit, secondaryTimelineEvents, it)
         }
         listenersMapping[listener] = listOf(mainTimelineListener, secondaryTimelineListener)