diff --git a/res/layout/call.xml b/res/layout/call.xml
index 9b4ea32a6..4b360610b 100644
--- a/res/layout/call.xml
+++ b/res/layout/call.xml
@@ -41,6 +41,9 @@
 					android:id="@+id/active_call"
 					android:layout_width="match_parent"
 					android:layout_height="wrap_content"
+					android:layout_centerHorizontal="false"
+					android:layout_centerInParent="false"
+					android:layout_centerVertical="false"
 					android:visibility="visible">
 
 					<RelativeLayout
@@ -82,9 +85,9 @@
 						android:id="@+id/avatar_layout"
 						android:layout_width="match_parent"
 						android:layout_height="wrap_content"
-						android:layout_above="@+id/active_call_info"
-						android:layout_margin="5dp"
-						android:gravity="center_horizontal"
+						android:layout_alignParentStart="true"
+						android:layout_centerVertical="true"
+						android:gravity="center_vertical|center_horizontal"
 						android:paddingBottom="10dp"
 						android:paddingTop="10dp">
 
@@ -155,9 +158,8 @@
 						android:id="@+id/active_call_info"
 						android:layout_width="match_parent"
 						android:layout_height="80dp"
-						android:layout_above="@+id/help_space"
-						android:layout_alignParentBottom="true"
-						android:layout_marginTop="5dp"
+						android:layout_above="@+id/calls_list"
+						android:layout_alignParentBottom="false"
 						android:alpha="0.8"
 						android:background="@color/colorH"
 						android:orientation="vertical">
@@ -180,24 +182,22 @@
 							/>
 					</LinearLayout>
 
-				</RelativeLayout>
+					<LinearLayout
+						android:id="@+id/calls_list"
+						android:layout_width="match_parent"
+						android:layout_height="wrap_content"
+						android:layout_alignParentBottom="true"
+						android:layout_gravity="bottom"
+						android:background="@color/colorH"
+						android:orientation="vertical">
+					</LinearLayout>
 
-				<LinearLayout
-					android:id="@+id/calls_list"
-					android:layout_width="match_parent"
-					android:layout_height="wrap_content"
-					android:layout_above="@+id/active_call"
-					android:layout_alignParentBottom="true"
-					android:layout_gravity="bottom"
-					android:background="@color/colorH"
-					android:orientation="vertical">
-				</LinearLayout>
+				</RelativeLayout>
 
 				<LinearLayout
 					android:id="@+id/no_current_call"
 					android:layout_width="match_parent"
 					android:layout_height="match_parent"
-					android:layout_above="@id/calls_list"
 					android:alpha="0"
 					android:background="#e6ff6600"
 					android:gravity="center_vertical"
diff --git a/res/layout/main.xml b/res/layout/main.xml
index 9eefa324b..d0b63a752 100644
--- a/res/layout/main.xml
+++ b/res/layout/main.xml
@@ -104,17 +104,17 @@
 						android:contentDescription="@string/content_description_history"
 						android:src="@drawable/footer_history"/>
 
-                    <TextView
-                        android:id="@+id/missed_calls"
-                        android:layout_width="25dp"
-                        android:layout_height="25dp"
-                        android:layout_marginLeft="55dp"
-                        android:layout_marginTop="20dp"
-                        android:background="@drawable/history_chat_indicator"
-                        android:gravity="center"
-                        android:textColor="#000000"
-                        android:textSize="18sp"
-                        android:visibility="gone"/>
+					<TextView
+						android:id="@+id/missed_calls"
+						android:layout_width="25dp"
+						android:layout_height="25dp"
+						android:layout_marginLeft="55dp"
+						android:layout_marginTop="20dp"
+						android:background="@drawable/history_chat_indicator"
+						android:gravity="center"
+						android:textColor="#000000"
+						android:textSize="17sp"
+						android:visibility="invisible"/>
 
 				</RelativeLayout>
 
@@ -198,18 +198,18 @@
 						android:background="@drawable/footer_button"
 						android:src="@drawable/footer_chat"/>
 
-                    <TextView
-                        android:id="@+id/missed_chats"
-                        android:layout_width="25dp"
-                        android:layout_height="25dp"
-                        android:layout_marginLeft="55dp"
-                        android:layout_marginTop="20dp"
-                        android:background="@drawable/history_chat_indicator"
-                        android:gravity="center"
-                        android:textAlignment="center"
-                        android:textColor="#000000"
-                        android:textSize="18sp"
-                        android:visibility="gone"/>
+					<TextView
+						android:id="@+id/missed_chats"
+						android:layout_width="25dp"
+						android:layout_height="25dp"
+						android:layout_marginLeft="55dp"
+						android:layout_marginTop="20dp"
+						android:background="@drawable/history_chat_indicator"
+						android:gravity="center"
+						android:textAlignment="center"
+						android:textColor="#000000"
+						android:textSize="17sp"
+						android:visibility="gone"/>
 
 				</RelativeLayout>
 			</LinearLayout>
diff --git a/src/android/org/linphone/LinphoneService.java b/src/android/org/linphone/LinphoneService.java
index 0666ea70e..7d1af44d5 100644
--- a/src/android/org/linphone/LinphoneService.java
+++ b/src/android/org/linphone/LinphoneService.java
@@ -563,7 +563,12 @@ public final class LinphoneService extends Service {
 		} catch (Exception e) {
 			bm = BitmapFactory.decodeResource(getResources(), R.drawable.avatar_small_secure1);
 		}
-		String name = address.getDisplayName() == null ? address.getUsername() : address.getDisplayName();
+		String name;
+		if (contact != null) {
+			name = contact.getFullName() == null ? address.getUsername() : contact.getFullName();
+		} else {
+			name = address.getDisplayName() == null ? address.getUsername() : address.getDisplayName();
+		}
 		Intent notifIntent = new Intent(this, incomingReceivedActivity);
 		notifIntent.putExtra("Notification", true);
 		mNotifContentIntent = PendingIntent.getActivity(this, 0, notifIntent, PendingIntent.FLAG_UPDATE_CURRENT);
diff --git a/src/android/org/linphone/call/CallActivity.java b/src/android/org/linphone/call/CallActivity.java
index eb77b643b..4d7858b17 100644
--- a/src/android/org/linphone/call/CallActivity.java
+++ b/src/android/org/linphone/call/CallActivity.java
@@ -781,20 +781,16 @@ public class CallActivity extends LinphoneGenericActivity implements OnClickList
 	private void enabledTransferButton(boolean enabled){
 		if(enabled) {
 			transfer.setEnabled(true);
-			transfer.setAlpha(1f);
 		} else {
 			transfer.setEnabled(false);
-			transfer.setAlpha(0.4f);
 		}
 	}
 
 	private void enabledConferenceButton(boolean enabled){
 		if (enabled) {
 			conference.setEnabled(true);
-			conference.setAlpha(1f);
 		} else {
 			conference.setEnabled(false);
-			conference.setAlpha(0.4f);
 		}
 	}
 
diff --git a/src/android/org/linphone/chat/GroupInfoFragment.java b/src/android/org/linphone/chat/GroupInfoFragment.java
index 3971cd85f..3f1a9e55a 100644
--- a/src/android/org/linphone/chat/GroupInfoFragment.java
+++ b/src/android/org/linphone/chat/GroupInfoFragment.java
@@ -503,7 +503,7 @@ public class GroupInfoFragment extends Fragment implements ChatRoomListener {
 
 	@Override
 	public void onSecurityEvent(ChatRoom cr, EventLog eventLog) {
-
+		refreshParticipantsList();
 	}
 
 	@Override