diff --git a/linphone-app/src/components/participant/ParticipantDeviceListModel.cpp b/linphone-app/src/components/participant/ParticipantDeviceListModel.cpp
index d748a3944..f315d329b 100644
--- a/linphone-app/src/components/participant/ParticipantDeviceListModel.cpp
+++ b/linphone-app/src/components/participant/ParticipantDeviceListModel.cpp
@@ -42,6 +42,23 @@ int ParticipantDeviceListModel::rowCount (const QModelIndex &index) const{
 	return mList.count();
 }
 
+int ParticipantDeviceListModel::count(){
+	return mList.count();
+}
+
+void ParticipantDeviceListModel::updateDevices(std::shared_ptr<linphone::Participant> participant){
+	std::list<std::shared_ptr<linphone::ParticipantDevice>> devices = participant->getDevices() ;
+	beginResetModel();
+	mList.clear();
+	for(auto device : devices){
+		auto deviceModel = std::make_shared<ParticipantDeviceModel>(device);
+		connect(this, &ParticipantDeviceListModel::securityLevelChanged, deviceModel.get(), &ParticipantDeviceModel::onSecurityLevelChanged);
+		mList << deviceModel;
+	}
+	endResetModel();
+	emit layoutChanged();
+}
+
 QHash<int, QByteArray> ParticipantDeviceListModel::roleNames () const {
 	QHash<int, QByteArray> roles;
 	roles[Qt::DisplayRole] = "$participantDevice";
diff --git a/linphone-app/src/components/participant/ParticipantDeviceListModel.hpp b/linphone-app/src/components/participant/ParticipantDeviceListModel.hpp
index 2e4cc410c..41f1d42fb 100644
--- a/linphone-app/src/components/participant/ParticipantDeviceListModel.hpp
+++ b/linphone-app/src/components/participant/ParticipantDeviceListModel.hpp
@@ -38,6 +38,9 @@ public:
 	ParticipantDeviceListModel (std::shared_ptr<linphone::Participant> participant, QObject *parent = nullptr);
 	
 	int rowCount (const QModelIndex &index = QModelIndex()) const override;
+	int count();
+	
+	void updateDevices(std::shared_ptr<linphone::Participant> participant);
 	
 	virtual QHash<int, QByteArray> roleNames () const override;
 	virtual QVariant data (const QModelIndex &index, int role = Qt::DisplayRole) const override;
diff --git a/linphone-app/src/components/participant/ParticipantListModel.cpp b/linphone-app/src/components/participant/ParticipantListModel.cpp
index ee6b93239..820ebcb4f 100644
--- a/linphone-app/src/components/participant/ParticipantListModel.cpp
+++ b/linphone-app/src/components/participant/ParticipantListModel.cpp
@@ -170,7 +170,6 @@ bool ParticipantListModel::removeRows (int row, int count, const QModelIndex &pa
 void ParticipantListModel::updateParticipants () {
 	if( mChatRoomModel) {
 		bool changed = false;
-		CoreManager *coreManager = CoreManager::getInstance();
 		auto dbParticipants = mChatRoomModel->getChatRoom()->getParticipants();
 		auto me = mChatRoomModel->getChatRoom()->getMe();
 		dbParticipants.push_front(me);
diff --git a/linphone-app/src/components/participant/ParticipantModel.cpp b/linphone-app/src/components/participant/ParticipantModel.cpp
index 8efa81c90..b59549029 100644
--- a/linphone-app/src/components/participant/ParticipantModel.cpp
+++ b/linphone-app/src/components/participant/ParticipantModel.cpp
@@ -52,8 +52,12 @@ int ParticipantModel::getSecurityLevel() const{
 	return (mParticipant ? (int)mParticipant->getSecurityLevel() : 0);
 }
 
-int ParticipantModel::getDeviceCount() const{
-	return (mParticipant ? mParticipant->getDevices().size() : 0);
+int ParticipantModel::getDeviceCount(){
+	int count = (mParticipant ? mParticipant->getDevices().size() : 0);
+	if(mParticipant && count != mParticipantDevices->count()){
+		mParticipantDevices->updateDevices(mParticipant);
+	}
+	return count;
 }
 
 bool ParticipantModel::getInviting() const{
diff --git a/linphone-app/src/components/participant/ParticipantModel.hpp b/linphone-app/src/components/participant/ParticipantModel.hpp
index 51de53743..129be7a03 100644
--- a/linphone-app/src/components/participant/ParticipantModel.hpp
+++ b/linphone-app/src/components/participant/ParticipantModel.hpp
@@ -55,7 +55,7 @@ public:
     bool getAdminStatus() const;
     bool isFocus() const;
 	int getSecurityLevel() const;
-	int getDeviceCount() const;
+	int getDeviceCount();
 	bool getInviting() const;
 	
 	void setSipAddress(const QString& address);