diff --git a/res/layout/audio.xml b/res/layout/audio.xml
index b9bc68df0..8db784ef2 100644
--- a/res/layout/audio.xml
+++ b/res/layout/audio.xml
@@ -8,14 +8,14 @@
 	    android:layout_width="match_parent"
 	    android:layout_height="match_parent"
 	    android:background="@drawable/champ_saisie_numero"
+	    android:gravity="center_vertical"
 	    android:stretchColumns="0"
 	    android:shrinkColumns="0"
 	    android:layout_weight="0.9">
     
         <TableRow
 		    android:layout_width="match_parent"
-		    android:layout_height="wrap_content"
-		    android:gravity="center">
+		    android:layout_height="wrap_content">
 		    <TextView
 			    android:id="@+id/contactNameOrNumber"
 			    android:layout_width="wrap_content"
diff --git a/src/org/linphone/FragmentsAvailable.java b/src/org/linphone/FragmentsAvailable.java
index 09e74f760..fe96d40f0 100644
--- a/src/org/linphone/FragmentsAvailable.java
+++ b/src/org/linphone/FragmentsAvailable.java
@@ -32,17 +32,35 @@ public enum FragmentsAvailable {
 	CHAT;
 	
 	public boolean shouldAddToBackStack() {
-		return this == HISTORY_DETAIL ||
-				this == HISTORY || 
-				this == CONTACT || 
-				this == CONTACTS || 
-				this == CHATLIST || 
-				this == CHAT;
+		return true;
 	}
 
 	public boolean shouldAnimate() {
-		return this == HISTORY_DETAIL ||
-				this == CONTACT || 
-				this == CHAT;
+		return true;
+	}
+
+	public boolean isRightOf(FragmentsAvailable fragment) {
+		switch (this) {
+		case HISTORY:
+		case HISTORY_DETAIL:
+			return fragment == UNKNOW;
+			
+		case CONTACTS:
+		case CONTACT:
+			return HISTORY.isRightOf(fragment) || fragment == HISTORY || fragment == HISTORY_DETAIL;
+			
+		case DIALER:
+			return CONTACTS.isRightOf(fragment) || fragment == CONTACT || fragment == CONTACTS;
+			
+		case SETTINGS:
+			return DIALER.isRightOf(fragment) || fragment == DIALER;
+			
+		case CHAT:
+		case CHATLIST:
+			return SETTINGS.isRightOf(fragment) || fragment == SETTINGS;
+			
+		default:
+			return false;
+		}
 	}
 }
diff --git a/src/org/linphone/LinphoneActivity.java b/src/org/linphone/LinphoneActivity.java
index 6c51f582e..f4de82170 100644
--- a/src/org/linphone/LinphoneActivity.java
+++ b/src/org/linphone/LinphoneActivity.java
@@ -50,6 +50,7 @@ import android.support.v4.app.Fragment.SavedState;
 import android.support.v4.app.FragmentActivity;
 import android.support.v4.app.FragmentManager;
 import android.support.v4.app.FragmentTransaction;
+import android.view.KeyEvent;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.WindowManager;
@@ -189,17 +190,20 @@ public class LinphoneActivity extends FragmentActivity implements OnClickListene
 		
 		if (newFragment != null) {
 			newFragment.setArguments(extras);
-			currentFragment = newFragmentType;
-			changeFragment(newFragment);
+			changeFragment(newFragment, newFragmentType);
 		}
 	}
 	
-	private void changeFragment(Fragment newFragment) {
+	private void changeFragment(Fragment newFragment, FragmentsAvailable newFragmentType) {
 		FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 
 		if (currentFragment.shouldAddToBackStack()) {
 			if (!getResources().getBoolean(R.bool.disable_animations) && currentFragment.shouldAnimate()) {
-				transaction.setCustomAnimations(R.anim.slide_in_right_to_left, R.anim.slide_out_right_to_left, R.anim.slide_in_left_to_right, R.anim.slide_out_left_to_right);
+				if (newFragmentType.isRightOf(currentFragment)) {
+					transaction.setCustomAnimations(R.anim.slide_in_right_to_left, R.anim.slide_out_right_to_left, R.anim.slide_in_left_to_right, R.anim.slide_out_left_to_right);
+				} else {
+					transaction.setCustomAnimations(R.anim.slide_in_left_to_right, R.anim.slide_out_left_to_right, R.anim.slide_in_right_to_left, R.anim.slide_out_right_to_left);
+				}
 			}
 			transaction.addToBackStack("Add to back stack");
 		}
@@ -213,6 +217,7 @@ public class LinphoneActivity extends FragmentActivity implements OnClickListene
 		transaction.replace(R.id.fragmentContainer, newFragment);
 
 		transaction.commitAllowingStateLoss();
+		currentFragment = newFragmentType;
 	}
 	
 	public void displayHistoryDetail(String sipUri, LinphoneCallLog log) {
@@ -289,7 +294,6 @@ public class LinphoneActivity extends FragmentActivity implements OnClickListene
 			dialer.setSelected(true);
 		}
 		else if (id == R.id.settings) {
-			currentFragment = FragmentsAvailable.SETTINGS;
 //			if (Version.sdkAboveOrEqual(Version.API11_HONEYCOMB_30)) {
 //				changeCurrentFragment(FragmentsAvailable.SETTINGS, null);
 //				settings.setSelected(true);
@@ -297,6 +301,11 @@ public class LinphoneActivity extends FragmentActivity implements OnClickListene
 				Intent intent = new Intent(ACTION_MAIN);
 				intent.setClass(this, PreferencesActivity.class);
 				startActivityForResult(intent, SETTINGS_ACTIVITY);
+				if (FragmentsAvailable.SETTINGS.isRightOf(currentFragment)) {
+					overridePendingTransition(R.anim.slide_in_right_to_left, R.anim.slide_out_right_to_left);
+				} else {
+					overridePendingTransition(R.anim.slide_in_left_to_right, R.anim.slide_out_left_to_right);
+				}
 //			}
 		}
 		else if (id == R.id.chat) {
@@ -526,6 +535,10 @@ public class LinphoneActivity extends FragmentActivity implements OnClickListene
 		return isInCallLayout;
 	}
 	
+	public FragmentsAvailable getCurrentFragment() {
+		return currentFragment;
+	}
+	
 	@Override
 	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 		if (resultCode == Activity.RESULT_FIRST_USER && requestCode == SETTINGS_ACTIVITY) {
@@ -577,6 +590,15 @@ public class LinphoneActivity extends FragmentActivity implements OnClickListene
 			displayChat(sipUri);
 		}
 	}
+	
+	public boolean onKeyDown(int keyCode, KeyEvent event) {
+		if (keyCode == KeyEvent.KEYCODE_BACK && currentFragment == FragmentsAvailable.DIALER) {
+			if (LinphoneUtils.onKeyBackGoHome(this, keyCode, event)) {
+				return true;
+			}
+		}
+		return super.onKeyDown(keyCode, event);
+	}
 }
 
 interface ContactPicked {
diff --git a/src/org/linphone/LinphonePreferencesActivity.java b/src/org/linphone/LinphonePreferencesActivity.java
index 78500502e..14456ec68 100644
--- a/src/org/linphone/LinphonePreferencesActivity.java
+++ b/src/org/linphone/LinphonePreferencesActivity.java
@@ -20,6 +20,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 import android.content.Intent;
 import android.os.Bundle;
 import android.preference.PreferenceActivity;
+import android.view.KeyEvent;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.ImageView;
@@ -87,7 +88,7 @@ public class LinphonePreferencesActivity extends PreferenceActivity implements O
 			Intent intent = new Intent();
 			intent.putExtra("FragmentToDisplay", newFragment);
 			setResult(RESULT_FIRST_USER, intent);
-			finish();
+			finishWithCustomAnimation(newFragment);
 		}
 	}
 	
@@ -110,4 +111,21 @@ public class LinphonePreferencesActivity extends PreferenceActivity implements O
 			missedCalls.setVisibility(View.GONE);
 		}
 	}
+	
+	private void finishWithCustomAnimation(FragmentsAvailable newFragment) {
+		finish();
+		if (FragmentsAvailable.SETTINGS.isRightOf(newFragment)) {
+			overridePendingTransition(R.anim.slide_in_left_to_right, R.anim.slide_out_left_to_right);
+		} else {
+			overridePendingTransition(R.anim.slide_in_right_to_left, R.anim.slide_out_right_to_left);
+		}
+	}
+	
+	public boolean onKeyDown(int keyCode, KeyEvent event) {
+		if (keyCode == KeyEvent.KEYCODE_BACK) {
+			finishWithCustomAnimation(LinphoneActivity.instance().getCurrentFragment());
+			return true;
+		}
+		return super.onKeyDown(keyCode, event);
+	}
 }