diff --git a/samples/voiceclient/client.cpp b/samples/voiceclient/client.cpp
index c1969dcec..fec6cb9b3 100644
--- a/samples/voiceclient/client.cpp
+++ b/samples/voiceclient/client.cpp
@@ -85,14 +85,14 @@ void Client::exit(QTextStream &)
     emit quit();
 }
 
-void Client::squelchTestCmd(QTextStream &args)
+void Client::squelchTestCmd(QTextStream & /** args **/)
 {
     std::cout << "Running squelch test. Please be quiet for 5 seconds..." << std::endl;
     printLinePrefix();
     m_voiceClient->runSquelchTest();
 }
 
-void Client::micTestCmd(QTextStream &args)
+void Client::micTestCmd(QTextStream & /** args **/)
 {
     std::cout << "Running mic test. Speak normally for 5 seconds..." << std::endl;
     printLinePrefix();
@@ -116,27 +116,27 @@ void Client::initiateConnectionCmd(QTextStream &args)
     printLinePrefix();
 }
 
-void Client::terminateConnectionCmd(QTextStream &args)
+void Client::terminateConnectionCmd(QTextStream & /** args **/)
 {
     std::cout << "Leaving room." << std::endl;
     m_voiceClient->leaveVoiceRoom(BlackCore::IVoiceClient::COM1);
     printLinePrefix();
 }
 
-void Client::inputDevicesCmd(QTextStream &args)
+void Client::inputDevicesCmd(QTextStream & /** args **/)
 {
     QList<BlackMisc::Voice::CInputAudioDevice> devices = m_voiceClient->audioInputDevices();
-    foreach (BlackMisc::Voice::CInputAudioDevice device, devices)
+    foreach(BlackMisc::Voice::CInputAudioDevice device, devices)
     {
         std::cout << device.name().toStdString() << std::endl;
     }
     printLinePrefix();
 }
 
-void Client::outputDevicesCmd(QTextStream &args)
+void Client::outputDevicesCmd(QTextStream & /** args **/)
 {
     QList<BlackMisc::Voice::COutputAudioDevice> devices = m_voiceClient->audioOutputDevices();
-    foreach (BlackMisc::Voice::COutputAudioDevice device, devices)
+    foreach(BlackMisc::Voice::COutputAudioDevice device, devices)
     {
         std::cout << " " << device.name().toStdString() << std::endl;
     }
@@ -147,7 +147,7 @@ void Client::listUsersCmd(QTextStream &args)
 {
     Q_UNUSED(args)
     QSet<QString> users = m_voiceClient->roomUserList(BlackCore::IVoiceClient::COM1);
-    foreach (QString user, users)
+    foreach(QString user, users)
     {
         std::cout << " " << user.toStdString() << std::endl;
     }
@@ -166,7 +166,7 @@ void Client::onMicTestFinished()
     printLinePrefix();
 }
 
-void Client::connectionStatusConnected(const BlackCore::IVoiceClient::ComUnit comUnit)
+void Client::connectionStatusConnected(const BlackCore::IVoiceClient::ComUnit /** comUnit **/)
 {
     std::cout << "CONN_STATUS_CONNECTED" << std::endl;
     printLinePrefix();
diff --git a/src/blackcore/voiceclient_vatlib.cpp b/src/blackcore/voiceclient_vatlib.cpp
index 63c889e50..a2e301bd1 100644
--- a/src/blackcore/voiceclient_vatlib.cpp
+++ b/src/blackcore/voiceclient_vatlib.cpp
@@ -470,7 +470,7 @@ namespace BlackCore
         cbvar_cast(cbVar)->m_outputDevices.append(outputDevice);
     }
 
-    void CVoiceClientVatlib::addUserInRoom(const ComUnit comUnit, const QString &callsign)
+    void CVoiceClientVatlib::addUserInRoom(const ComUnit /** comUnit **/, const QString &callsign)
     {
         m_voiceRoomUsersUpdate.insert(callsign);
     }
diff --git a/src/blackmisc/blackmisc.pro b/src/blackmisc/blackmisc.pro
index bfa251f6f..9679c4a30 100644
--- a/src/blackmisc/blackmisc.pro
+++ b/src/blackmisc/blackmisc.pro
@@ -21,7 +21,8 @@ TRANSLATIONS += translations/blackmisc_i18n_de.ts \
                 translations/blackmisc_i18n_en.ts
 
 HEADERS += *.h \
-    vaudiodevice.h
+    vaudiodevice.h \
+    voiceallclasses.h
 SOURCES += *.cpp
 DESTDIR = ../../lib
 OTHER_FILES += $$TRANSLATIONS readme.txt
diff --git a/src/blackmisc/blackmiscallvalueclasses.h b/src/blackmisc/blackmiscallvalueclasses.h
index 7a9198b28..73c88e8a8 100644
--- a/src/blackmisc/blackmiscallvalueclasses.h
+++ b/src/blackmisc/blackmiscallvalueclasses.h
@@ -14,5 +14,6 @@
 #include "blackmisc/networkallclasses.h"
 #include "blackmisc/statusmessages.h"
 #include "blackmisc/statusmessage.h"
+#include "blackmisc/voiceallclasses.h"
 
 #endif // guard
diff --git a/src/blackmisc/blackmiscfreefunctions.cpp b/src/blackmisc/blackmiscfreefunctions.cpp
index 3b8013f04..4a1b08e8f 100644
--- a/src/blackmisc/blackmiscfreefunctions.cpp
+++ b/src/blackmisc/blackmiscfreefunctions.cpp
@@ -11,6 +11,8 @@
 #include "networkallclasses.h"
 #include "settingsallclasses.h"
 #include "valuemap.h"
+#include "statusmessages.h"
+#include "voiceallclasses.h"
 
 /*
  * Metadata for PQs
@@ -94,6 +96,16 @@ void BlackMisc::Settings::registerMetadata()
     CSettingsNetwork::registerMetadata();
 }
 
+/*
+ * Metadata for Voice
+ */
+void BlackMisc::Voice::registerMetadata()
+{
+    COutputAudioDevice::registerMetadata();
+    CInputAudioDevice::registerMetadata();
+    CVoiceRoom::registerMetadata();
+}
+
 /*
  * Metadata for Blackmisc
  */
@@ -110,6 +122,7 @@ void BlackMisc::registerMetadata()
     Geo::registerMetadata();
     Network::registerMetadata();
     Settings::registerMetadata();
+    Voice::registerMetadata();
 }
 
 /*
diff --git a/src/blackmisc/blackmiscfreefunctions.h b/src/blackmisc/blackmiscfreefunctions.h
index 9d34fd059..e2fe2a2d3 100644
--- a/src/blackmisc/blackmiscfreefunctions.h
+++ b/src/blackmisc/blackmiscfreefunctions.h
@@ -89,6 +89,14 @@ namespace BlackMisc
         void registerMetadata();
     }
 
+    namespace Voice
+    {
+        /*!
+         * \brief Registe metadata for settings
+         */
+        void registerMetadata();
+    }
+
     /*!
      * \brief Register all relevant metadata in BlackMisc
      */
diff --git a/src/blackmisc/vaudiodevice.cpp b/src/blackmisc/vaudiodevice.cpp
index d6baf1074..f3d7588ff 100644
--- a/src/blackmisc/vaudiodevice.cpp
+++ b/src/blackmisc/vaudiodevice.cpp
@@ -52,7 +52,7 @@ namespace BlackMisc
             qDBusRegisterMetaType<CAudioDevice>();
         }
 
-        QString CAudioDevice::convertToQString(bool i18n) const
+        QString CAudioDevice::convertToQString(bool /* i18n */) const
         {
             return m_deviceName;
         }
diff --git a/src/blackmisc/voiceallclasses.h b/src/blackmisc/voiceallclasses.h
new file mode 100644
index 000000000..eed272608
--- /dev/null
+++ b/src/blackmisc/voiceallclasses.h
@@ -0,0 +1,12 @@
+/*  Copyright (C) 2013 VATSIM Community / contributors
+ *  This Source Code Form is subject to the terms of the Mozilla Public
+ *  License, v. 2.0. If a copy of the MPL was not distributed with this
+ *  file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef BLACKMISC_VOICEALLCLASSES_H
+#define BLACKMISC_VOICEALLCLASSES_H
+
+#include "blackmisc/vaudiodevice.h"
+#include "blackmisc/vvoiceroom.h"
+
+#endif // guard
diff --git a/src/blackmisc/vvoiceroom.cpp b/src/blackmisc/vvoiceroom.cpp
index acc41f532..eb096e567 100644
--- a/src/blackmisc/vvoiceroom.cpp
+++ b/src/blackmisc/vvoiceroom.cpp
@@ -68,7 +68,7 @@ namespace BlackMisc
             qDBusRegisterMetaType<CVoiceRoom>();
         }
 
-        QString CVoiceRoom::convertToQString(bool i18n) const
+        QString CVoiceRoom::convertToQString(bool /* i18n */ ) const
         {
             if (m_hostname.isEmpty() || m_channel.isEmpty()) return "Unknown";
             QString s = m_hostname;