diff --git a/src/blackcore/context_audio_impl.cpp b/src/blackcore/context_audio_impl.cpp
index 5d4435f21..12e2cfd9b 100644
--- a/src/blackcore/context_audio_impl.cpp
+++ b/src/blackcore/context_audio_impl.cpp
@@ -25,7 +25,8 @@ namespace BlackCore
     CContextAudio::CContextAudio(QObject *parent) : 
 	IContextAudio(parent), 
 	m_voice(nullptr),
-	m_keyboard(nullptr)
+	m_keyboard(nullptr),
+	m_contextSettings(nullptr)
     {
         // 1. Init by "voice driver"
         this->m_voice = new CVoiceVatlib(this);
@@ -44,6 +45,12 @@ namespace BlackCore
         this->leaveAllVoiceRooms();
     }
 
+    void CContextAudio::init()
+    {
+        m_contextSettings = getRuntime()->getIContextSettings();
+        connect(m_contextSettings, &IContextSettings::changedSettings, this, &CContextAudio::settingsChanged);
+    }
+
     /*
      * Own aircraft
      */
@@ -281,4 +288,15 @@ namespace BlackCore
         return static_cast<double>(this->m_voice->inputSquelch());
     }
 
+    void CContextAudio::settingsChanged(IContextSettings::SettingsType type)
+    {
+        if (type == IContextSettings::SettingsHotKeys)
+        {
+            CKeyboardKeyList hotKeys = m_contextSettings->getHotkeys();
+            CKeyboardKey pttKey = hotKeys.findBy(&BlackMisc::Hardware::CKeyboardKey::getFunction, BlackMisc::Hardware::CKeyboardKey::HotkeyPtt).front();
+            m_keyboard->unregisterHotkey(m_handlePtt);
+            m_handlePtt = m_keyboard->registerHotkey(pttKey, m_voice, &CVoiceVatlib::handlePushToTalk);
+        }
+    }
+
 } // namespace
diff --git a/src/blackcore/context_audio_impl.h b/src/blackcore/context_audio_impl.h
index f31d97106..e3bd210bd 100644
--- a/src/blackcore/context_audio_impl.h
+++ b/src/blackcore/context_audio_impl.h
@@ -7,9 +7,11 @@
 #define BLACKCORE_CONTEXTAUDIO_IMPL_H
 
 #include "context_audio.h"
+#include "context_settings.h"
 #include "coreruntime.h"
 #include "dbus_server.h"
 #include "voice_vatlib.h"
+#include "blackcore/keyboard.h"
 
 namespace BlackCore
 {
@@ -52,6 +54,9 @@ namespace BlackCore
         //! \copydoc IContextAudio::usingLocalObjects()
         virtual bool usingLocalObjects() const override { return true; }
 
+        //! \brief Initialize voice context
+        void init();
+
     public slots:
         //! \copydoc IContextAudio::setOwnAircraft()
         virtual void setOwnAircraft(const BlackMisc::Aviation::CAircraft &ownAircraft) override;
@@ -119,6 +124,9 @@ namespace BlackCore
         //! \copydoc IContextAudio::getSquelchValue()
         virtual double getSquelchValue() const override;
 
+    private slots:
+        void settingsChanged(IContextSettings::SettingsType type);
+
     private:
         CVoiceVatlib *m_voice; //!< underlying voice lib
         IKeyboard *m_keyboard;
diff --git a/src/blackcore/context_settings.h b/src/blackcore/context_settings.h
index 6b168d09b..1652900a2 100644
--- a/src/blackcore/context_settings.h
+++ b/src/blackcore/context_settings.h
@@ -6,10 +6,14 @@
 #ifndef BLACKCORE_CONTEXTSETTINGS_H
 #define BLACKCORE_CONTEXTSETTINGS_H
 
+#include "blackcore/coreruntime.h"
+#include "blackcore/dbus_server.h"
+#include "blackcore/keyboard.h"
+#include "blackmisc/hwkeyboardkeylist.h"
 #include "blackmisc/statusmessagelist.h"
 #include "blackmisc/settingutilities.h"
 #include "blackmisc/setnetwork.h"
-#include "blackmisc/hwkeyboardkeylist.h"
+
 
 #include <QObject>
 #include <QVariant>
@@ -30,6 +34,12 @@ namespace BlackCore
 
     public:
 
+        enum SettingsType
+        {
+            SettingsHotKeys,
+            SettingsNetwork
+        };
+
         /*!
          * \brief Service name
          */
@@ -103,7 +113,7 @@ namespace BlackCore
 
     signals:
         //! \brief Settings have been changed
-        void changedSettings();
+        void changedSettings(SettingsType type);
 
         //! \brief Network settings have been changed
         void changedNetworkSettings();
diff --git a/src/blackcore/context_settings_impl.cpp b/src/blackcore/context_settings_impl.cpp
index 98f8e4fb7..074965094 100644
--- a/src/blackcore/context_settings_impl.cpp
+++ b/src/blackcore/context_settings_impl.cpp
@@ -68,7 +68,8 @@ namespace BlackCore
                 {
                     BlackMisc::Hardware::CKeyboardKeyList hotkeys = value.value<BlackMisc::Hardware::CKeyboardKeyList>();
                     this->m_hotkeys = hotkeys;
-                    emit this->changedSettings();
+                    emit this->changedSettings(SettingsHotKeys);
+
                     msgs.push_back(CStatusMessage::getInfoMessage("set hotkeys"));
                     return msgs;
                 }
@@ -84,7 +85,7 @@ namespace BlackCore
             if (changed)
             {
                 emit this->changedNetworkSettings();
-                emit this->changedSettings();
+                emit this->changedSettings(SettingsNetwork);
             }
         }
         else
diff --git a/src/blackcore/coreruntime.cpp b/src/blackcore/coreruntime.cpp
index 90c746d6d..eb2885cce 100644
--- a/src/blackcore/coreruntime.cpp
+++ b/src/blackcore/coreruntime.cpp
@@ -52,6 +52,8 @@ void CCoreRuntime::init(bool withDbus)
     this->m_contextSimulator = new CContextSimulator(this);
     if (withDbus) this->m_contextSimulator->registerWithDBus(this->m_dbusServer);
 
+    m_contextAudio->init();
+
     // flag
     m_init = true;
 }