diff --git a/res/layout/incall_layout.xml b/res/layout/incall_layout.xml
index b9f15d338..bd2b2d76b 100644
--- a/res/layout/incall_layout.xml
+++ b/res/layout/incall_layout.xml
@@ -7,18 +7,7 @@
          android:paddingRight="8dp">
 
 
-	<LinearLayout android:id="@+id/conf_control_buttons" 
-		android:layout_width="fill_parent" android:layout_height="wrap_content"
-		android:layout_alignParentTop="true">
-		<Button android:id="@+id/conf_simple_merge" style="@style/conf_icon_text_button"
-			android:drawableTop="@drawable/conf_merge" 
-		 	android:text="@string/conf_simple_merge_bt_txt"/>
-		<Button android:id="@+id/conf_simple_transfer" style="@style/conf_icon_text_button"
-			android:drawableTop="@drawable/conf_transfer"
-			android:text="@string/conf_simple_transfer_bt_txt" />
-	</LinearLayout>
-
-	<LinearLayout android:id="@+id/conf_header" android:layout_below="@id/conf_control_buttons"
+	<LinearLayout android:id="@+id/conf_header" android:layout_alignParentTop="true"
 			android:orientation="vertical" android:layout_marginBottom="10dip"
 			android:layout_width="fill_parent" android:layout_height="wrap_content" 
 			android:layout_alignWithParentIfMissing="true"
@@ -60,6 +49,19 @@
 			android:text="@string/show_send_dtmfs_button" android:drawableTop="@drawable/numpad_big" />
 	</LinearLayout>
 
+	<LinearLayout android:id="@+id/conf_advanced_buttons" 
+		android:layout_width="fill_parent" android:layout_height="wrap_content"
+		android:layout_above="@id/conf_terminate_row">
+		<Button android:id="@+id/conf_simple_merge" style="@style/conf_icon_text_button"
+			android:drawableTop="@drawable/conf_merge" 
+		 	android:text="@string/conf_simple_merge_bt_txt"/>
+		<Button android:id="@+id/conf_simple_transfer" style="@style/conf_icon_text_button"
+			android:drawableTop="@drawable/conf_transfer"
+			android:text="@string/conf_simple_transfer_bt_txt" />
+	</LinearLayout>
+
+
+
 	<ImageView android:id="@+id/incall_picture" android:visibility="gone"
 		android:layout_height="wrap_content" android:layout_width="wrap_content" 
 		android:layout_centerInParent="true" 
@@ -74,7 +76,7 @@
                android:dividerHeight="10dip"
                android:divider="@android:color/transparent"
                android:layout_below="@id/conf_header"
-               android:layout_above="@id/conf_terminate_row"
+               android:layout_above="@id/conf_advanced_buttons"
                android:layout_alignWithParentIfMissing="true"
                android:fadeScrollbars="false"
      />
diff --git a/src/org/linphone/IncallActivity.java b/src/org/linphone/IncallActivity.java
index 8a362640b..35d1dbc50 100644
--- a/src/org/linphone/IncallActivity.java
+++ b/src/org/linphone/IncallActivity.java
@@ -146,10 +146,7 @@ public class IncallActivity extends ListActivity implements
 		if (mMultipleCallsLimit > 0) {
 			limitReached = lc().getCallsNb() >= mMultipleCallsLimit;
 		}
-
-		int establishedCallsNb = LinphoneUtils.getRunningOrPausedCalls(lc()).size();
-		boolean hideButton = limitReached || establishedCallsNb == 0;
-		findViewById(R.id.addCall).setVisibility(hideButton? GONE : VISIBLE);
+		findViewById(R.id.addCall).setVisibility(limitReached? View.INVISIBLE : VISIBLE);
 	}
 
 	private void updateDtmfButton() {
@@ -304,11 +301,9 @@ public class IncallActivity extends ListActivity implements
 			showDialog(numpad_dialog_id);
 			break;
 		case R.id.conf_simple_merge:
-			findViewById(R.id.conf_control_buttons).setVisibility(GONE);
 			lc().addAllToConference();
 			break;
 		case R.id.conf_simple_transfer:
-			findViewById(R.id.conf_control_buttons).setVisibility(GONE);
 			LinphoneCall tCall = lc().getCurrentCall();
 			if (tCall != null) {
 				prepareForTransferingExistingOrNewCall(tCall);
@@ -617,22 +612,19 @@ public class IncallActivity extends ListActivity implements
 
 	private Handler mHandler = new Handler();
 
-	private void updateSimpleControlButtons() {
+	private void updateAdvancedButtons() {
 		LinphoneCall activeCall = lc().getCurrentCall();
-		View control = findViewById(R.id.conf_control_buttons);
+		View bar = findViewById(R.id.conf_advanced_buttons);
 		int nonConfCallsNb = LinphoneUtils.countNonConferenceCalls(lc());
 
-		View merge = control.findViewById(R.id.conf_simple_merge);
+		View merge = bar.findViewById(R.id.conf_simple_merge);
 		boolean showMerge = nonConfCallsNb >=2
 			|| (lc().getConferenceSize() > 0 && nonConfCallsNb > 0);
-		merge.setVisibility(showMerge ? VISIBLE : GONE);
+		merge.setEnabled(showMerge);
 
-		View transfer = control.findViewById(R.id.conf_simple_transfer);
+		View transfer = bar.findViewById(R.id.conf_simple_transfer);
 		boolean showTransfer = mAllowTransfers && activeCall != null;
-		transfer.setVisibility(showTransfer ? VISIBLE : GONE);
-
-		boolean showControl = showMerge || showTransfer;
-		control.setVisibility(showControl ? VISIBLE : GONE);
+		transfer.setEnabled(showTransfer);
 	}
 
 	public void onCallStateChanged(final LinphoneCall c, final State s, String m) {
@@ -659,7 +651,7 @@ public class IncallActivity extends ListActivity implements
 	}
 
 	private void recreateActivity() {
-		updateSimpleControlButtons();
+		updateAdvancedButtons();
 		updateCalleeImage();
 		updateSoundLock();
 		updateAddCallButton();