diff --git a/linphone-desktop/src/components/call/CallModel.cpp b/linphone-desktop/src/components/call/CallModel.cpp
index e6076ef56..ff0eb52d5 100644
--- a/linphone-desktop/src/components/call/CallModel.cpp
+++ b/linphone-desktop/src/components/call/CallModel.cpp
@@ -25,6 +25,7 @@
 #include <QTimer>
 
 #include "../../app/App.hpp"
+#include "../../utils/LinphoneUtils.hpp"
 #include "../../utils/Utils.hpp"
 #include "../core/CoreManager.hpp"
 
@@ -376,27 +377,12 @@ float CallModel::getQuality () const {
 
 // -----------------------------------------------------------------------------
 
-#define VU_MIN (-20.f)
-#define VU_MAX (4.f)
-
-inline float computeVu (float volume) {
-  if (volume < VU_MIN)
-    return 0.f;
-  if (volume > VU_MAX)
-    return 1.f;
-
-  return (volume - VU_MIN) / (VU_MAX - VU_MIN);
-}
-
-#undef VU_MIN
-#undef VU_MAX
-
 float CallModel::getMicroVu () const {
-  return computeVu(mCall->getRecordVolume());
+  return LinphoneUtils::computeVu(mCall->getRecordVolume());
 }
 
 float CallModel::getSpeakerVu () const {
-  return computeVu(mCall->getPlayVolume());
+  return LinphoneUtils::computeVu(mCall->getPlayVolume());
 }
 
 // -----------------------------------------------------------------------------
diff --git a/linphone-desktop/src/components/conference/ConferenceModel.cpp b/linphone-desktop/src/components/conference/ConferenceModel.cpp
index aa7738857..107aea9bc 100644
--- a/linphone-desktop/src/components/conference/ConferenceModel.cpp
+++ b/linphone-desktop/src/components/conference/ConferenceModel.cpp
@@ -22,6 +22,7 @@
 
 #include <QDateTime>
 
+#include "../../utils/LinphoneUtils.hpp"
 #include "../../utils/Utils.hpp"
 #include "../core/CoreManager.hpp"
 
@@ -123,35 +124,20 @@ bool ConferenceModel::getRecording () const {
 
 // -----------------------------------------------------------------------------
 
-#define VU_MIN (-20.f)
-#define VU_MAX (4.f)
-
-inline float computeVu (float volume) {
-  if (volume < VU_MIN)
-    return 0.f;
-  if (volume > VU_MAX)
-    return 1.f;
-
-  return (volume - VU_MIN) / (VU_MAX - VU_MIN);
-}
-
-#undef VU_MIN
-#undef VU_MAX
-
 float ConferenceModel::getMicroVu () const {
   shared_ptr<linphone::Core> core = CoreManager::getInstance()->getCore();
-  return computeVu(core->getConferenceLocalInputVolume());
+  return LinphoneUtils::computeVu(core->getConferenceLocalInputVolume());
 }
 
 // -----------------------------------------------------------------------------
 
-void ConferenceModel::leave() {
+void ConferenceModel::leave () {
   shared_ptr<linphone::Core> core = CoreManager::getInstance()->getCore();
   core->leaveConference();
   emit conferenceChanged();
 }
 
-void ConferenceModel::join() {
+void ConferenceModel::join () {
   shared_ptr<linphone::Core> core = CoreManager::getInstance()->getCore();
   core->enterConference();
   emit conferenceChanged();
@@ -167,4 +153,4 @@ bool ConferenceModel::isInConference () const {
 
 void ConferenceModel::handleCallStateChanged (const shared_ptr<linphone::Call> &call, linphone::CallState state) {
   emit conferenceChanged();
-}
\ No newline at end of file
+}
diff --git a/linphone-desktop/src/utils/LinphoneUtils.hpp b/linphone-desktop/src/utils/LinphoneUtils.hpp
index 1de2e1c41..5d3480acc 100644
--- a/linphone-desktop/src/utils/LinphoneUtils.hpp
+++ b/linphone-desktop/src/utils/LinphoneUtils.hpp
@@ -28,8 +28,23 @@
 
 // =============================================================================
 
+#define VU_MIN (-20.f)
+#define VU_MAX (4.f)
+
 namespace LinphoneUtils {
+  inline float computeVu (float volume) {
+    if (volume < VU_MIN)
+      return 0.f;
+    if (volume > VU_MAX)
+      return 1.f;
+
+    return (volume - VU_MIN) / (VU_MAX - VU_MIN);
+  }
+
   linphone::TransportType stringToTransportType (const QString &transport);
 }
 
+#undef VU_MIN
+#undef VU_MAX
+
 #endif // ifndef LINPHONE_UTILS_H_