diff --git a/linphone-desktop/assets/images/linphone.png b/linphone-desktop/assets/images/linphone.png
deleted file mode 100644
index 4031d7205..000000000
Binary files a/linphone-desktop/assets/images/linphone.png and /dev/null differ
diff --git a/linphone-desktop/assets/languages/en.ts b/linphone-desktop/assets/languages/en.ts
index 4ce35647b..a5cb65f71 100644
--- a/linphone-desktop/assets/languages/en.ts
+++ b/linphone-desktop/assets/languages/en.ts
@@ -557,6 +557,29 @@ Server url not configured.</translation>
         <translation>Delay (in ms)</translation>
     </message>
 </context>
+<context>
+    <name>SettingsNetwork</name>
+    <message>
+        <source>forceMtuLabel</source>
+        <translation>Forcer MTU</translation>
+    </message>
+    <message>
+        <source>mtuLabel</source>
+        <translation>MTU</translation>
+    </message>
+    <message>
+        <source>sendDtmfsLabel</source>
+        <translation>Send DTMFs as SIP info</translation>
+    </message>
+    <message>
+        <source>allowIpV6Label</source>
+        <translation>Allow IPv6</translation>
+    </message>
+    <message>
+        <source>transportTitle</source>
+        <translation>Transport</translation>
+    </message>
+</context>
 <context>
     <name>SettingsWindow</name>
     <message>
diff --git a/linphone-desktop/assets/languages/fr.ts b/linphone-desktop/assets/languages/fr.ts
index edca709df..f5112358d 100644
--- a/linphone-desktop/assets/languages/fr.ts
+++ b/linphone-desktop/assets/languages/fr.ts
@@ -567,6 +567,29 @@ Url du serveur non configurée.</translation>
         <translation>Délai (en ms)</translation>
     </message>
 </context>
+<context>
+    <name>SettingsNetwork</name>
+    <message>
+        <source>forceMtuLabel</source>
+        <translation>Forcer MTU</translation>
+    </message>
+    <message>
+        <source>mtuLabel</source>
+        <translation>MTU</translation>
+    </message>
+    <message>
+        <source>sendDtmfsLabel</source>
+        <translation>Envoyer DTMFs en SIP info</translation>
+    </message>
+    <message>
+        <source>allowIpV6Label</source>
+        <translation>Autoriser IPv6</translation>
+    </message>
+    <message>
+        <source>transportTitle</source>
+        <translation>Transport</translation>
+    </message>
+</context>
 <context>
     <name>SettingsWindow</name>
     <message>
diff --git a/linphone-desktop/ui/modules/Common/Form/Fields/NumericField.qml b/linphone-desktop/ui/modules/Common/Form/Fields/NumericField.qml
index 43c783c63..2c1f7a8bd 100644
--- a/linphone-desktop/ui/modules/Common/Form/Fields/NumericField.qml
+++ b/linphone-desktop/ui/modules/Common/Form/Fields/NumericField.qml
@@ -1,5 +1,5 @@
 import QtQuick 2.7
-import QtQuick.Controls 2.1
+import QtQuick.Controls 2.0
 
 import Common 1.0
 import Common.Styles 1.0
diff --git a/linphone-desktop/ui/modules/Common/Form/Switch.qml b/linphone-desktop/ui/modules/Common/Form/Switch.qml
index 6dd66f2ac..340f71f64 100644
--- a/linphone-desktop/ui/modules/Common/Form/Switch.qml
+++ b/linphone-desktop/ui/modules/Common/Form/Switch.qml
@@ -1,5 +1,5 @@
 import QtQuick 2.7
-import QtQuick.Controls 2.1
+import QtQuick.Controls 2.0
 
 import Common.Styles 1.0
 
diff --git a/linphone-desktop/ui/modules/Common/Form/Tab/TabBar.qml b/linphone-desktop/ui/modules/Common/Form/Tab/TabBar.qml
index 257da8878..9398c574d 100644
--- a/linphone-desktop/ui/modules/Common/Form/Tab/TabBar.qml
+++ b/linphone-desktop/ui/modules/Common/Form/Tab/TabBar.qml
@@ -1,5 +1,5 @@
 import QtQuick 2.7
-import QtQuick.Controls 2.1
+import QtQuick.Controls 2.0
 
 // =============================================================================
 
diff --git a/linphone-desktop/ui/modules/Common/Form/Tab/TabButton.qml b/linphone-desktop/ui/modules/Common/Form/Tab/TabButton.qml
index d9b64716d..ac632de83 100644
--- a/linphone-desktop/ui/modules/Common/Form/Tab/TabButton.qml
+++ b/linphone-desktop/ui/modules/Common/Form/Tab/TabButton.qml
@@ -1,5 +1,5 @@
 import QtQuick 2.7
-import QtQuick.Controls 2.1 as Controls
+import QtQuick.Controls 2.0 as Controls
 import QtQuick.Layouts 1.3
 
 import Common 1.0
diff --git a/linphone-desktop/ui/modules/Common/Styles/Form/FormGroupStyle.qml b/linphone-desktop/ui/modules/Common/Styles/Form/FormGroupStyle.qml
index 62ec85e53..2561de9ef 100644
--- a/linphone-desktop/ui/modules/Common/Styles/Form/FormGroupStyle.qml
+++ b/linphone-desktop/ui/modules/Common/Styles/Form/FormGroupStyle.qml
@@ -10,13 +10,13 @@ QtObject {
 
   property QtObject content: QtObject {
     property int height: 300
-    property int width: 300
+    property int width: 200
   }
 
   property QtObject legend: QtObject {
     property color color: Colors.j
     property int fontSize: 10
     property int height: 36
-    property int width: 150
+    property int width: 200
   }
 }
diff --git a/linphone-desktop/ui/views/App/Settings/SettingsNetwork.qml b/linphone-desktop/ui/views/App/Settings/SettingsNetwork.qml
index f5c0de773..ef2eb4e5c 100644
--- a/linphone-desktop/ui/views/App/Settings/SettingsNetwork.qml
+++ b/linphone-desktop/ui/views/App/Settings/SettingsNetwork.qml
@@ -2,8 +2,57 @@ import QtQuick 2.7
 
 import Common 1.0
 
+import App.Styles 1.0
+
 // =============================================================================
 
 TabContainer {
+  Column {
+    anchors.fill: parent
+    spacing: SettingsWindowStyle.forms.spacing
 
+    // -------------------------------------------------------------------------
+    // Transport.
+    // -------------------------------------------------------------------------
+
+    Form {
+      title: qsTr('transportTitle')
+      width: parent.width
+
+      FormLine {
+        FormGroup {
+          label: qsTr('forceMtuLabel')
+
+          Switch {
+            id: forceMtu
+          }
+        }
+
+        FormGroup {
+          label: qsTr('mtuLabel')
+
+          NumericField {
+            readOnly: !forceMtu.checked
+          }
+        }
+      }
+
+      FormGroup {
+        label: qsTr('sendDtmfsLabel')
+
+        Switch {}
+      }
+
+      FormGroup {
+        label: qsTr('allowIpV6Label')
+
+        Switch {}
+      }
+    }
+
+    // -------------------------------------------------------------------------
+    // Network protocol and ports.
+    // -------------------------------------------------------------------------
+
+  }
 }
diff --git a/linphone-desktop/ui/views/App/Settings/SettingsWindow.qml b/linphone-desktop/ui/views/App/Settings/SettingsWindow.qml
index f9343737a..58825af50 100644
--- a/linphone-desktop/ui/views/App/Settings/SettingsWindow.qml
+++ b/linphone-desktop/ui/views/App/Settings/SettingsWindow.qml
@@ -1,5 +1,5 @@
 import QtQuick 2.7
-import QtQuick.Controls 2.1
+import QtQuick.Controls 2.0
 import QtQuick.Layouts 1.3
 
 import Common 1.0