diff --git a/app/build.gradle b/app/build.gradle
index 0342379a8..4a3640387 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -79,6 +79,8 @@ dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation "com.android.support:appcompat-v7:${supportLibraryVersion}"
     implementation "com.android.support:design:${supportLibraryVersion}"
+    implementation 'com.android.support.constraint:constraint-layout:1.1.1'
+
 
     implementation 'com.android.support:multidex:1.0.3'
 
diff --git a/app/src/main/res/layout/controller_call_notification.xml b/app/src/main/res/layout/controller_call_notification.xml
index e8171245f..cbc797b60 100644
--- a/app/src/main/res/layout/controller_call_notification.xml
+++ b/app/src/main/res/layout/controller_call_notification.xml
@@ -18,84 +18,90 @@
   ~ You should have received a copy of the GNU General Public License
   ~ along with this program.  If not, see <http://www.gnu.org/licenses/>.
   -->
-
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-                android:layout_width="match_parent"
-                android:layout_height="match_parent"
-                android:background="@color/white">
-
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/black">
 
     <TextView
+        android:id="@+id/incomingCallTextView"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_centerInParent="true"
-        android:layout_alignParentTop="true"
+        android:layout_marginTop="32dp"
         android:text="@string/nc_incoming_call"
         android:textAlignment="center"
-        android:textColor="@color/colorPrimary"
-        android:textSize="20sp"
-        android:layout_marginTop="48dp"
-        android:id="@+id/incomingCallTextView"/>
-
-    <ImageView
-        android:id="@+id/avatarImageView"
-        android:layout_width="@dimen/avatar_size_big"
-        android:layout_height="@dimen/avatar_size_big"
-        android:layout_centerHorizontal="true"
-        android:layout_below="@id/incomingCallTextView"
-        android:layout_margin="16dp"/>
+        android:textColor="@color/white30"
+        android:textSize="16sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
 
     <TextView
         android:id="@+id/conversationNameTextView"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_below="@id/avatarImageView"
-        android:layout_centerInParent="true"
+        android:ellipsize="marquee"
         android:textAlignment="center"
-        android:textColor="@color/colorPrimary"
-        android:textSize="16sp"
-        />
+        android:textColor="@color/white"
+        android:textSize="28sp"
+        app:layout_constraintTop_toBottomOf="@+id/incomingCallTextView"
+        tools:text="Victor Gregorius Magnus" />
 
+    <ImageView
+        android:id="@+id/avatarImageView"
+        android:layout_width="@dimen/avatar_size_very_big"
+        android:layout_height="@dimen/avatar_size_very_big"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.498"
+        tools:src="@color/white" />
 
     <com.nextcloud.talk.utils.MagicFlipView
-        xmlns:app="http://schemas.android.com/apk/res-auto"
         android:id="@+id/callAnswerVoiceOnlyView"
         android:layout_width="60dp"
         android:layout_height="60dp"
-        android:layout_above="@id/callControlHangupView"
-        android:layout_centerHorizontal="true"
-        android:layout_toStartOf="@id/callControlHangupView"
+        android:layout_marginBottom="48dp"
         app:checked="false"
         app:enableInitialAnimation="false"
         app:frontBackgroundColor="@color/colorPrimary"
-        app:frontImage="@drawable/ic_mic_white_24px"/>
+        app:frontImage="@drawable/ic_mic_white_24px"
+        app:layout_anchorGravity="top|center"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.129"
+        app:layout_constraintStart_toStartOf="parent" />
 
     <com.nextcloud.talk.utils.MagicFlipView
-        xmlns:app="http://schemas.android.com/apk/res-auto"
         android:id="@+id/callAnswerCameraView"
         android:layout_width="60dp"
         android:layout_height="60dp"
-        android:layout_above="@id/callControlHangupView"
-        android:layout_toEndOf="@id/callControlHangupView"
+        android:layout_marginBottom="48dp"
         app:checked="false"
         app:enableInitialAnimation="false"
         app:frontBackgroundColor="@color/colorPrimary"
-        app:frontImage="@drawable/ic_videocam_white_24px"/>
+        app:frontImage="@drawable/ic_videocam_white_24px"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent" />
 
 
     <com.nextcloud.talk.utils.MagicFlipView
-        xmlns:app="http://schemas.android.com/apk/res-auto"
         android:id="@+id/callControlHangupView"
         android:layout_width="60dp"
         android:layout_height="60dp"
-        android:layout_alignParentBottom="true"
-        android:layout_centerHorizontal="true"
-        android:layout_marginTop="24dp"
-        android:layout_marginBottom="64dp"
+        android:layout_marginBottom="48dp"
         app:checked="false"
         app:enableInitialAnimation="false"
         app:frontBackgroundColor="@color/nc_darkRed"
-        app:frontImage="@drawable/ic_call_end_white_24px"/>
+        app:frontImage="@drawable/ic_call_end_white_24px"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.87"
+        app:layout_constraintStart_toStartOf="parent" />
 
-
-</RelativeLayout>
\ No newline at end of file
+</android.support.constraint.ConstraintLayout>
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index c7412376a..a9d3cb3e2 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -17,5 +17,6 @@
     <color name="nc_light_grey">#E8E8E8</color>
     <color name="grey_600">#757575</color>
     <color name="nc_grey">#D5D5D5</color>
+    <color name="white30">#e9ffffff</color>
 </resources>
 
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index 75461c897..f1d21de80 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -16,6 +16,7 @@
     <dimen name="margin_between_elements">8dp</dimen>
     <dimen name="avatar_size">40dp</dimen>
     <dimen name="avatar_size_big">80dp</dimen>
+    <dimen name="avatar_size_very_big">180dp</dimen>
     <dimen name="avatar_corner_radius">20dp</dimen>
 
     <dimen name="chat_text_size">14sp</dimen>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 2264ae148..66f9cbe45 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -113,7 +113,7 @@
     <string name="nc_permissions_settings">Open settings</string>
 
     <!-- Call -->
-    <string name="nc_incoming_call">Incoming call</string>
+    <string name="nc_incoming_call">Incoming call from</string>
     <string name="nc_nick_guest">Guest</string>
     <string name="nc_public_call">New public conversation</string>
     <string name="nc_public_call_explanation">Public conversations let you invite people from outside through a