diff --git a/plugins/feature/simpleptt/simpleptt.cpp b/plugins/feature/simpleptt/simpleptt.cpp
index fafaf8598..ebf61f63b 100644
--- a/plugins/feature/simpleptt/simpleptt.cpp
+++ b/plugins/feature/simpleptt/simpleptt.cpp
@@ -107,7 +107,7 @@ void SimplePTT::start()
     m_state = StRunning;
     m_thread->start();
 
-    SimplePTTWorker::MsgConfigureSimplePTTWorker *msg = SimplePTTWorker::MsgConfigureSimplePTTWorker::create(m_settings, true);
+    SimplePTTWorker::MsgConfigureSimplePTTWorker *msg = SimplePTTWorker::MsgConfigureSimplePTTWorker::create(m_settings, QList<QString>(), true);
     m_worker->getInputMessageQueue()->push(msg);
 
     m_running = true;
@@ -135,7 +135,7 @@ bool SimplePTT::handleMessage(const Message& cmd)
 	{
         MsgConfigureSimplePTT& cfg = (MsgConfigureSimplePTT&) cmd;
         qDebug() << "SimplePTT::handleMessage: MsgConfigureSimplePTT";
-        applySettings(cfg.getSettings(), cfg.getForce());
+        applySettings(cfg.getSettings(), cfg.getSettingsKeys(), cfg.getForce());
 
 		return true;
 	}
@@ -181,14 +181,14 @@ bool SimplePTT::deserialize(const QByteArray& data)
 {
     if (m_settings.deserialize(data))
     {
-        MsgConfigureSimplePTT *msg = MsgConfigureSimplePTT::create(m_settings, true);
+        MsgConfigureSimplePTT *msg = MsgConfigureSimplePTT::create(m_settings, QList<QString>(), true);
         m_inputMessageQueue.push(msg);
         return true;
     }
     else
     {
         m_settings.resetToDefaults();
-        MsgConfigureSimplePTT *msg = MsgConfigureSimplePTT::create(m_settings, true);
+        MsgConfigureSimplePTT *msg = MsgConfigureSimplePTT::create(m_settings, QList<QString>(), true);
         m_inputMessageQueue.push(msg);
         return false;
     }
@@ -201,74 +201,33 @@ void SimplePTT::getAudioPeak(float& peak)
     }
 }
 
-void SimplePTT::applySettings(const SimplePTTSettings& settings, bool force)
+void SimplePTT::applySettings(const SimplePTTSettings& settings, const QList<QString>& settingsKeys, bool force)
 {
-    qDebug() << "SimplePTT::applySettings:"
-            << " m_title: " << settings.m_title
-            << " m_rgbColor: " << settings.m_rgbColor
-            << " m_rxDeviceSetIndex: " << settings.m_rxDeviceSetIndex
-            << " m_txDeviceSetIndex: " << settings.m_txDeviceSetIndex
-            << " m_rx2TxDelayMs: " << settings.m_rx2TxDelayMs
-            << " m_tx2RxDelayMs: " << settings.m_tx2RxDelayMs
-            << " m_vox: " << settings.m_vox
-            << " m_voxEnable: " << settings.m_voxEnable
-            << " m_audioDeviceName: " << settings.m_audioDeviceName
-            << " m_voxLevel: " << settings.m_voxLevel
-            << " m_voxHold: " << settings.m_voxHold
-            << " force: " << force;
-
-    QList<QString> reverseAPIKeys;
-
-    if ((m_settings.m_title != settings.m_title) || force) {
-        reverseAPIKeys.append("title");
-    }
-    if ((m_settings.m_rgbColor != settings.m_rgbColor) || force) {
-        reverseAPIKeys.append("rgbColor");
-    }
-    if ((m_settings.m_rxDeviceSetIndex != settings.m_rxDeviceSetIndex) || force) {
-        reverseAPIKeys.append("rxDeviceSetIndex");
-    }
-    if ((m_settings.m_txDeviceSetIndex != settings.m_txDeviceSetIndex) || force) {
-        reverseAPIKeys.append("txDeviceSetIndex");
-    }
-    if ((m_settings.m_rx2TxDelayMs != settings.m_rx2TxDelayMs) || force) {
-        reverseAPIKeys.append("rx2TxDelayMs");
-    }
-    if ((m_settings.m_tx2RxDelayMs != settings.m_tx2RxDelayMs) || force) {
-        reverseAPIKeys.append("tx2RxDelayMs");
-    }
-    if ((m_settings.m_vox != settings.m_vox) || force) {
-        reverseAPIKeys.append("vox");
-    }
-    if ((m_settings.m_voxEnable != settings.m_voxEnable) || force) {
-        reverseAPIKeys.append("voxEnable");
-    }
-    if ((m_settings.m_voxHold != settings.m_voxHold) || force) {
-        reverseAPIKeys.append("voxHold");
-    }
-    if ((m_settings.m_voxLevel != settings.m_voxLevel) || force) {
-        reverseAPIKeys.append("voxLevel");
-    }
+    qDebug() << "SimplePTT::applySettings:" << settings.getDebugString(settingsKeys, force) << " force: " << force;
 
     if (m_running)
     {
         SimplePTTWorker::MsgConfigureSimplePTTWorker *msg = SimplePTTWorker::MsgConfigureSimplePTTWorker::create(
-            settings, force
+            settings, settingsKeys, force
         );
         m_worker->getInputMessageQueue()->push(msg);
     }
 
-    if (settings.m_useReverseAPI)
+    if (settingsKeys.contains("useReverseAPI"))
     {
-        bool fullUpdate = ((m_settings.m_useReverseAPI != settings.m_useReverseAPI) && settings.m_useReverseAPI) ||
-                (m_settings.m_reverseAPIAddress != settings.m_reverseAPIAddress) ||
-                (m_settings.m_reverseAPIPort != settings.m_reverseAPIPort) ||
-                (m_settings.m_reverseAPIFeatureSetIndex != settings.m_reverseAPIFeatureSetIndex) ||
-                (m_settings.m_reverseAPIFeatureIndex != settings.m_reverseAPIFeatureIndex);
-        webapiReverseSendSettings(reverseAPIKeys, settings, fullUpdate || force);
+        bool fullUpdate = (settingsKeys.contains("useReverseAPI") && settings.m_useReverseAPI) ||
+                settingsKeys.contains("reverseAPIAddress") ||
+                settingsKeys.contains("reverseAPIPort") ||
+                settingsKeys.contains("reverseAPIFeatureSetIndex") ||
+                settingsKeys.contains("m_reverseAPIFeatureIndex");
+        webapiReverseSendSettings(settingsKeys, settings, fullUpdate || force);
     }
 
-    m_settings = settings;
+    if (force) {
+        m_settings = settings;
+    } else {
+        m_settings.applySettings(settingsKeys, settings);
+    }
 }
 
 int SimplePTT::webapiRun(bool run,
@@ -303,13 +262,13 @@ int SimplePTT::webapiSettingsPutPatch(
     SimplePTTSettings settings = m_settings;
     webapiUpdateFeatureSettings(settings, featureSettingsKeys, response);
 
-    MsgConfigureSimplePTT *msg = MsgConfigureSimplePTT::create(settings, force);
+    MsgConfigureSimplePTT *msg = MsgConfigureSimplePTT::create(settings, featureSettingsKeys, force);
     m_inputMessageQueue.push(msg);
 
     qDebug("SimplePTT::webapiSettingsPutPatch: forward to GUI: %p", m_guiMessageQueue);
     if (m_guiMessageQueue) // forward to GUI if any
     {
-        MsgConfigureSimplePTT *msgToGUI = MsgConfigureSimplePTT::create(settings, force);
+        MsgConfigureSimplePTT *msgToGUI = MsgConfigureSimplePTT::create(settings, featureSettingsKeys, force);
         m_guiMessageQueue->push(msgToGUI);
     }
 
@@ -488,7 +447,7 @@ void SimplePTT::webapiFormatFeatureReport(SWGSDRangel::SWGFeatureReport& respons
     response.getSimplePttReport()->setRunningState(getState());
 }
 
-void SimplePTT::webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const SimplePTTSettings& settings, bool force)
+void SimplePTT::webapiReverseSendSettings(const QList<QString>& channelSettingsKeys, const SimplePTTSettings& settings, bool force)
 {
     SWGSDRangel::SWGFeatureSettings *swgFeatureSettings = new SWGSDRangel::SWGFeatureSettings();
     // swgFeatureSettings->setOriginatorFeatureIndex(getIndexInDeviceSet());
diff --git a/plugins/feature/simpleptt/simpleptt.h b/plugins/feature/simpleptt/simpleptt.h
index 223d7d32a..fdb2b35d5 100644
--- a/plugins/feature/simpleptt/simpleptt.h
+++ b/plugins/feature/simpleptt/simpleptt.h
@@ -45,19 +45,22 @@ public:
 
     public:
         const SimplePTTSettings& getSettings() const { return m_settings; }
+        const QList<QString>& getSettingsKeys() const { return m_settingsKeys; }
         bool getForce() const { return m_force; }
 
-        static MsgConfigureSimplePTT* create(const SimplePTTSettings& settings, bool force) {
-            return new MsgConfigureSimplePTT(settings, force);
+        static MsgConfigureSimplePTT* create(const SimplePTTSettings& settings, const QList<QString>& settingsKeys, bool force) {
+            return new MsgConfigureSimplePTT(settings, settingsKeys, force);
         }
 
     private:
         SimplePTTSettings m_settings;
+        QList<QString> m_settingsKeys;
         bool m_force;
 
-        MsgConfigureSimplePTT(const SimplePTTSettings& settings, bool force) :
+        MsgConfigureSimplePTT(const SimplePTTSettings& settings, const QList<QString>& settingsKeys, bool force) :
             Message(),
             m_settings(settings),
+            m_settingsKeys(settingsKeys),
             m_force(force)
         { }
     };
@@ -162,9 +165,9 @@ private:
 
     void start();
     void stop();
-    void applySettings(const SimplePTTSettings& settings, bool force = false);
+    void applySettings(const SimplePTTSettings& settings, const QList<QString>& settingsKeys, bool force = false);
     void webapiFormatFeatureReport(SWGSDRangel::SWGFeatureReport& response);
-    void webapiReverseSendSettings(QList<QString>& featureSettingsKeys, const SimplePTTSettings& settings, bool force);
+    void webapiReverseSendSettings(const QList<QString>& featureSettingsKeys, const SimplePTTSettings& settings, bool force);
 
 private slots:
     void networkManagerFinished(QNetworkReply *reply);
diff --git a/plugins/feature/simpleptt/simplepttgui.cpp b/plugins/feature/simpleptt/simplepttgui.cpp
index 41e144cd1..3de0d8cca 100644
--- a/plugins/feature/simpleptt/simplepttgui.cpp
+++ b/plugins/feature/simpleptt/simplepttgui.cpp
@@ -76,7 +76,13 @@ bool SimplePTTGUI::handleMessage(const Message& message)
     {
         qDebug("SimplePTTGUI::handleMessage: SimplePTT::MsgConfigureSimplePTT");
         const SimplePTT::MsgConfigureSimplePTT& cfg = (SimplePTT::MsgConfigureSimplePTT&) message;
-        m_settings = cfg.getSettings();
+
+        if (cfg.getForce()) {
+            m_settings = cfg.getSettings();
+        } else {
+            m_settings.applySettings(cfg.getSettingsKeys(), cfg.getSettings());
+        }
+
         blockApplySettings(true);
         displaySettings();
         blockApplySettings(false);
@@ -194,6 +200,7 @@ SimplePTTGUI::~SimplePTTGUI()
 void SimplePTTGUI::setWorkspaceIndex(int index)
 {
     m_settings.m_workspaceIndex = index;
+    m_settingsKeys.append("workspaceIndex");
     m_feature->setWorkspaceIndex(index);
 }
 
@@ -291,6 +298,8 @@ void SimplePTTGUI::updateDeviceSetLists()
         qDebug("SimplePTTGUI::updateDeviceSetLists: device index changed: %d:%d", rxDeviceIndex, txDeviceIndex);
         m_settings.m_rxDeviceSetIndex = rxDeviceIndex;
         m_settings.m_txDeviceSetIndex = txDeviceIndex;
+        m_settingsKeys.append("rxDeviceSetIndex");
+        m_settingsKeys.append("txDeviceSetIndex");
         applySettings();
     }
 
@@ -324,6 +333,14 @@ void SimplePTTGUI::onMenuDialogCalled(const QPoint &p)
         setTitle(m_settings.m_title);
         setTitleColor(m_settings.m_rgbColor);
 
+        m_settingsKeys.append("title");
+        m_settingsKeys.append("rgbColor");
+        m_settingsKeys.append("useReverseAPI");
+        m_settingsKeys.append("reverseAPIAddress");
+        m_settingsKeys.append("reverseAPIPort");
+        m_settingsKeys.append("reverseAPIFeatureSetIndex");
+        m_settingsKeys.append("reverseAPIFeatureIndex");
+
         applySettings();
     }
 
@@ -357,6 +374,7 @@ void SimplePTTGUI::on_rxDevice_currentIndexChanged(int index)
     if (index >= 0)
     {
         m_settings.m_rxDeviceSetIndex = index;
+        m_settingsKeys.append("rxDeviceSetIndex");
         applySettings();
     }
 }
@@ -366,6 +384,7 @@ void SimplePTTGUI::on_txDevice_currentIndexChanged(int index)
     if (index >= 0)
     {
         m_settings.m_txDeviceSetIndex = index;
+        m_settingsKeys.append("txDeviceSetIndex");
         applySettings();
     }
 
@@ -374,12 +393,14 @@ void SimplePTTGUI::on_txDevice_currentIndexChanged(int index)
 void SimplePTTGUI::on_rxtxDelay_valueChanged(int value)
 {
     m_settings.m_rx2TxDelayMs = value;
+    m_settingsKeys.append("rx2TxDelayMs");
     applySettings();
 }
 
 void SimplePTTGUI::on_txrxDelay_valueChanged(int value)
 {
     m_settings.m_tx2RxDelayMs = value;
+    m_settingsKeys.append("tx2RxDelayMs");
     applySettings();
 }
 
@@ -391,12 +412,14 @@ void SimplePTTGUI::on_ptt_toggled(bool checked)
 void SimplePTTGUI::on_vox_toggled(bool checked)
 {
     m_settings.m_vox = checked;
+    m_settingsKeys.append("vox");
     applySettings();
 }
 
 void SimplePTTGUI::on_voxEnable_clicked(bool checked)
 {
     m_settings.m_voxEnable = checked;
+    m_settingsKeys.append("voxEnable");
     applySettings();
 }
 
@@ -404,12 +427,14 @@ void SimplePTTGUI::on_voxLevel_valueChanged(int value)
 {
     m_settings.m_voxLevel = value;
     ui->voxLevelText->setText(tr("%1").arg(m_settings.m_voxLevel));
+    m_settingsKeys.append("voxLevel");
     applySettings();
 }
 
 void SimplePTTGUI::on_voxHold_valueChanged(int value)
 {
     m_settings.m_voxHold = value;
+    m_settingsKeys.append("voxHold");
     applySettings();
 }
 
@@ -454,9 +479,11 @@ void SimplePTTGUI::applySettings(bool force)
 {
 	if (m_doApplySettings)
 	{
-	    SimplePTT::MsgConfigureSimplePTT* message = SimplePTT::MsgConfigureSimplePTT::create( m_settings, force);
+	    SimplePTT::MsgConfigureSimplePTT* message = SimplePTT::MsgConfigureSimplePTT::create( m_settings, m_settingsKeys, force);
 	    m_simplePTT->getInputMessageQueue()->push(message);
 	}
+
+    m_settingsKeys.clear();
 }
 
 void SimplePTTGUI::applyPTT(bool tx)
@@ -478,6 +505,7 @@ void SimplePTTGUI::audioSelect()
     if (audioSelect.m_selected)
     {
         m_settings.m_audioDeviceName = audioSelect.m_audioDeviceName;
+        m_settingsKeys.append("audioDeviceName");
         applySettings();
     }
 }
diff --git a/plugins/feature/simpleptt/simplepttgui.h b/plugins/feature/simpleptt/simplepttgui.h
index 9376983dc..a2b6eaeef 100644
--- a/plugins/feature/simpleptt/simplepttgui.h
+++ b/plugins/feature/simpleptt/simplepttgui.h
@@ -54,6 +54,7 @@ private:
 	PluginAPI* m_pluginAPI;
 	FeatureUISet* m_featureUISet;
 	SimplePTTSettings m_settings;
+    QList<QString> m_settingsKeys;
 	RollupState m_rollupState;
 	bool m_doApplySettings;
 
diff --git a/plugins/feature/simpleptt/simplepttsettings.cpp b/plugins/feature/simpleptt/simplepttsettings.cpp
index efbafdbd8..55ff4b61a 100644
--- a/plugins/feature/simpleptt/simplepttsettings.cpp
+++ b/plugins/feature/simpleptt/simplepttsettings.cpp
@@ -140,3 +140,108 @@ bool SimplePTTSettings::deserialize(const QByteArray& data)
         return false;
     }
 }
+
+void SimplePTTSettings::applySettings(const QStringList& settingsKeys, const SimplePTTSettings& settings)
+{
+    if (settingsKeys.contains("title")) {
+        m_title = settings.m_title;
+    }
+    if (settingsKeys.contains("rgbColor")) {
+        m_rgbColor = settings.m_rgbColor;
+    }
+    if (settingsKeys.contains("rxDeviceSetIndex")) {
+        m_rxDeviceSetIndex = settings.m_rxDeviceSetIndex;
+    }
+    if (settingsKeys.contains("txDeviceSetIndex")) {
+        m_txDeviceSetIndex = settings.m_txDeviceSetIndex;
+    }
+    if (settingsKeys.contains("rx2TxDelayMs")) {
+        m_rx2TxDelayMs = settings.m_rx2TxDelayMs;
+    }
+    if (settingsKeys.contains("tx2RxDelayMs")) {
+        m_tx2RxDelayMs = settings.m_tx2RxDelayMs;
+    }
+    if (settingsKeys.contains("audioDeviceName")) {
+        m_audioDeviceName = settings.m_audioDeviceName;
+    }
+    if (settingsKeys.contains("voxLevel")) {
+        m_voxLevel = settings.m_voxLevel;
+    }
+    if (settingsKeys.contains("voxHold")) {
+        m_voxHold = settings.m_voxHold;
+    }
+    if (settingsKeys.contains("vox")) {
+        m_vox = settings.m_vox;
+    }
+    if (settingsKeys.contains("voxEnable")) {
+        m_voxEnable = settings.m_voxEnable;
+    }
+    if (settingsKeys.contains("useReverseAPI")) {
+        m_useReverseAPI = settings.m_useReverseAPI;
+    }
+    if (settingsKeys.contains("reverseAPIAddress")) {
+        m_reverseAPIAddress = settings.m_reverseAPIAddress;
+    }
+    if (settingsKeys.contains("reverseAPIPort")) {
+        m_reverseAPIPort = settings.m_reverseAPIPort;
+    }
+    if (settingsKeys.contains("reverseAPIFeatureSetIndex")) {
+        m_reverseAPIFeatureSetIndex = settings.m_reverseAPIFeatureSetIndex;
+    }
+    if (settingsKeys.contains("reverseAPIFeatureIndex")) {
+        m_reverseAPIFeatureIndex = settings.m_reverseAPIFeatureIndex;
+    }
+    if (settingsKeys.contains("workspaceIndex")) {
+        m_workspaceIndex = settings.m_workspaceIndex;
+    }
+}
+
+QString SimplePTTSettings::getDebugString(const QStringList& settingsKeys, bool force) const
+{
+    std::ostringstream ostr;
+
+    if (settingsKeys.contains("title") || force) {
+        ostr << " m_title: " << m_title.toStdString();
+    }
+    if (settingsKeys.contains("rgbColor") || force) {
+        ostr << " m_rgbColor: " << m_rgbColor;
+    }
+    if (settingsKeys.contains("rxDeviceSetIndex") || force) {
+        ostr << " m_rxDeviceSetIndex: " << m_rxDeviceSetIndex;
+    }
+    if (settingsKeys.contains("txDeviceSetIndex") || force) {
+        ostr << " m_txDeviceSetIndex: " << m_txDeviceSetIndex;
+    }
+    if (settingsKeys.contains("rx2TxDelayMs") || force) {
+        ostr << " m_rx2TxDelayMs: " << m_rx2TxDelayMs;
+    }
+    if (settingsKeys.contains("tx2RxDelayMs") || force) {
+        ostr << " m_tx2RxDelayMs: " << m_tx2RxDelayMs;
+    }
+    if (settingsKeys.contains("audioDeviceName") || force) {
+        ostr << " m_audioDeviceName: " << m_audioDeviceName.toStdString();
+    }
+    if (settingsKeys.contains("voxLevel") || force) {
+        ostr << " m_voxLevel: " << m_voxLevel;
+    }
+    if (settingsKeys.contains("useReverseAPI") || force) {
+        ostr << " m_useReverseAPI: " << m_useReverseAPI;
+    }
+    if (settingsKeys.contains("rgbColor") || force) {
+        ostr << " m_reverseAPIAddress: " << m_reverseAPIAddress.toStdString();
+    }
+    if (settingsKeys.contains("reverseAPIPort") || force) {
+        ostr << " m_reverseAPIPort: " << m_reverseAPIPort;
+    }
+    if (settingsKeys.contains("reverseAPIFeatureSetIndex") || force) {
+        ostr << " m_reverseAPIFeatureSetIndex: " << m_reverseAPIFeatureSetIndex;
+    }
+    if (settingsKeys.contains("rgbColor") || force) {
+        ostr << " m_reverseAPIFeatureIndex: " << m_reverseAPIFeatureIndex;
+    }
+    if (settingsKeys.contains("workspaceIndex") || force) {
+        ostr << " m_workspaceIndex: " << m_workspaceIndex;
+    }
+
+    return QString(ostr.str().c_str());
+}
diff --git a/plugins/feature/simpleptt/simplepttsettings.h b/plugins/feature/simpleptt/simplepttsettings.h
index 39c9a2fdb..82acb101c 100644
--- a/plugins/feature/simpleptt/simplepttsettings.h
+++ b/plugins/feature/simpleptt/simplepttsettings.h
@@ -50,6 +50,8 @@ struct SimplePTTSettings
     QByteArray serialize() const;
     bool deserialize(const QByteArray& data);
     void setRollupState(Serializable *rollupState) { m_rollupState = rollupState; }
+    void applySettings(const QStringList& settingsKeys, const SimplePTTSettings& settings);
+    QString getDebugString(const QStringList& settingsKeys, bool force=false) const;
 };
 
 #endif // INCLUDE_FEATURE_SIMPLEPTTSETTINGS_H_
diff --git a/plugins/feature/simpleptt/simplepttworker.cpp b/plugins/feature/simpleptt/simplepttworker.cpp
index f811a5ff8..6e8603302 100644
--- a/plugins/feature/simpleptt/simplepttworker.cpp
+++ b/plugins/feature/simpleptt/simplepttworker.cpp
@@ -94,7 +94,7 @@ bool SimplePTTWorker::handleMessage(const Message& cmd)
         MsgConfigureSimplePTTWorker& cfg = (MsgConfigureSimplePTTWorker&) cmd;
         qDebug() << "SimplePTTWorker::handleMessage: MsgConfigureSimplePTTWorker";
 
-        applySettings(cfg.getSettings(), cfg.getForce());
+        applySettings(cfg.getSettings(), cfg.getSettingsKeys(), cfg.getForce());
 
         return true;
     }
@@ -113,23 +113,11 @@ bool SimplePTTWorker::handleMessage(const Message& cmd)
     }
 }
 
-void SimplePTTWorker::applySettings(const SimplePTTSettings& settings, bool force)
+void SimplePTTWorker::applySettings(const SimplePTTSettings& settings, const QList<QString>& settingsKeys, bool force)
 {
-    qDebug() << "SimplePTTWorker::applySettings:"
-            << " m_title: " << settings.m_title
-            << " m_rgbColor: " << settings.m_rgbColor
-            << " m_rxDeviceSetIndex: " << settings.m_rxDeviceSetIndex
-            << " m_txDeviceSetIndex: " << settings.m_txDeviceSetIndex
-            << " m_rx2TxDelayMs: " << settings.m_rx2TxDelayMs
-            << " m_tx2RxDelayMs: " << settings.m_tx2RxDelayMs
-            << " m_vox: " << settings.m_vox
-            << " m_voxEnable: " << settings.m_voxEnable
-            << " m_audioDeviceName: " << settings.m_audioDeviceName
-            << " m_voxLevel: " << settings.m_voxLevel
-            << " m_voxHold: " << settings.m_voxHold
-            << " force: " << force;
+    qDebug() << "SimplePTTWorker::applySettings:" << settings.getDebugString(settingsKeys, force) << " force: " << force;
 
-    if ((settings.m_audioDeviceName != m_settings.m_audioDeviceName) || force)
+    if (settingsKeys.contains("audioDeviceName") || force)
     {
         QMutexLocker mlock(&m_mutex);
         AudioDeviceManager *audioDeviceManager = DSPEngine::instance()->getAudioDeviceManager();
@@ -141,7 +129,7 @@ void SimplePTTWorker::applySettings(const SimplePTTSettings& settings, bool forc
         m_voxState = false;
     }
 
-    if ((settings.m_vox != m_settings.m_vox) || force)
+    if (settingsKeys.contains("vox") || force)
     {
         QMutexLocker mlock(&m_mutex);
         m_voxHoldCount = 0;
@@ -161,12 +149,16 @@ void SimplePTTWorker::applySettings(const SimplePTTSettings& settings, bool forc
         }
     }
 
-    if ((settings.m_voxLevel != m_settings.m_voxLevel) || force)
-    {
+    if (settingsKeys.contains("voxLevel") || force) {
         m_voxLevel = CalcDb::powerFromdB(settings.m_voxLevel);
     }
 
-    m_settings = settings;
+    if (force) {
+        m_settings = settings;
+    } else {
+        m_settings.applySettings(settingsKeys, settings);
+    }
+
 }
 
 void SimplePTTWorker::sendPTT(bool tx)
diff --git a/plugins/feature/simpleptt/simplepttworker.h b/plugins/feature/simpleptt/simplepttworker.h
index 6ef325c09..2305c376c 100644
--- a/plugins/feature/simpleptt/simplepttworker.h
+++ b/plugins/feature/simpleptt/simplepttworker.h
@@ -38,20 +38,23 @@ public:
 
     public:
         const SimplePTTSettings& getSettings() const { return m_settings; }
+        const QList<QString>& getSettingsKeys() const { return m_settingsKeys; }
         bool getForce() const { return m_force; }
 
-        static MsgConfigureSimplePTTWorker* create(const SimplePTTSettings& settings, bool force)
+        static MsgConfigureSimplePTTWorker* create(const SimplePTTSettings& settings, const QList<QString>& settingsKeys, bool force)
         {
-            return new MsgConfigureSimplePTTWorker(settings, force);
+            return new MsgConfigureSimplePTTWorker(settings, settingsKeys, force);
         }
 
     private:
         SimplePTTSettings m_settings;
+        QList<QString> m_settingsKeys;
         bool m_force;
 
-        MsgConfigureSimplePTTWorker(const SimplePTTSettings& settings, bool force) :
+        MsgConfigureSimplePTTWorker(const SimplePTTSettings& settings, const QList<QString>& settingsKeys, bool force) :
             Message(),
             m_settings(settings),
+            m_settingsKeys(settingsKeys),
             m_force(force)
         { }
     };
@@ -107,7 +110,7 @@ private:
     QRecursiveMutex m_mutex;
 
     bool handleMessage(const Message& cmd);
-    void applySettings(const SimplePTTSettings& settings, bool force = false);
+    void applySettings(const SimplePTTSettings& settings, const QList<QString>& settingsKeys, bool force = false);
     void sendPTT(bool tx);
     bool turnDevice(bool on);