diff --git a/res/values-FR/strings.xml b/res/values-FR/strings.xml
index 9342e27e9..7c435881e 100644
--- a/res/values-FR/strings.xml
+++ b/res/values-FR/strings.xml
@@ -371,6 +371,7 @@
 	<string name="call_state_incoming">Reçu</string>
 	
 	<string name="pref_background_mode">Actif en arrière plan</string>
+	<string name="pref_manage">Gestion</string>
 	
 	<string name="show_image">Afficher</string>
 	<string name="download_image">Télécharger</string>
diff --git a/res/values-RU/strings.xml b/res/values-RU/strings.xml
index af92d3bf7..0528f0415 100755
--- a/res/values-RU/strings.xml
+++ b/res/values-RU/strings.xml
@@ -430,6 +430,7 @@
 	<string name="pref_help_auth_userid">Enter authentication userid (optionnal)</string>
 	
 	<string name="pref_upnp_enable">Enable UPNP</string>
+	<string name="pref_manage">Manage</string>
 	
 	<string name="wait">Please wait...</string>
 	<string name="importing_messages">Updating messages database</string>
diff --git a/res/values/non_localizable_strings.xml b/res/values/non_localizable_strings.xml
index 654168740..e84a69d8f 100644
--- a/res/values/non_localizable_strings.xml
+++ b/res/values/non_localizable_strings.xml
@@ -122,4 +122,8 @@
 	<string name="pref_upnp_enable_key">pref_upnp_enable_key</string>
 	
 	<string name="pref_first_time_linphone_chat_storage">pref_first_time_linphone_chat_storage</string>
+	
+	<string name="pref_sipaccount_key">pref_sipaccount_key</string>
+	<string name="pref_advanced_key">pref_advanced_key</string>
+	<string name="pref_manage_key">pref_manage_key</string>
 </resources>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 581565417..dd48a5876 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -430,6 +430,7 @@
 	<string name="pref_help_auth_userid">Enter authentication userid (optionnal)</string>
 	
 	<string name="pref_upnp_enable">Enable UPNP</string>
+	<string name="pref_manage">Manage</string>
 	
 	<string name="wait">Please wait...</string>
 	<string name="importing_messages">Updating messages database</string>
diff --git a/res/xml/account_preferences.xml b/res/xml/account_preferences.xml
index 0fed008e5..042e9241f 100644
--- a/res/xml/account_preferences.xml
+++ b/res/xml/account_preferences.xml
@@ -2,7 +2,8 @@
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
 
     <PreferenceCategory
-        android:title="@string/pref_sipaccount">
+        android:title="@string/pref_sipaccount"
+		android:key="@string/pref_sipaccount_key">
         
         <EditTextPreference 
         	android:title="@string/pref_username"
@@ -24,7 +25,8 @@
     </PreferenceCategory>
     
     <PreferenceCategory
-        android:title="@string/pref_advanced">
+    	android:title="@string/pref_advanced"
+		android:key="@string/pref_advanced_key">
         
         <EditTextPreference
         	android:title="@string/pref_proxy"
@@ -37,11 +39,25 @@
         	android:summary="@string/pref_help_outbound_proxy"
             android:persistent="true"/>
 			 
-		 <EditTextPreference 
+		<EditTextPreference 
 			android:title="@string/pref_expire_title"
 			android:key="@string/pref_expire_key"
 		  	android:numeric="integer" />
+		
+		<EditTextPreference 
+		    android:title="@string/pref_prefix"
+			android:key="@string/pref_prefix_key"/>
+
+		<CheckBoxPreference 
+			android:title="@string/pref_escape_plus"
+		    android:key="@string/pref_escape_plus_key"/>
         
+    </PreferenceCategory>
+    
+	<PreferenceCategory
+       	android:title="@string/pref_manage"
+		android:key="@string/pref_manage_key">
+       
         <CheckBoxPreference
         	android:title="@string/pref_disable_account"
             android:persistent="true"/>
diff --git a/res/xml/preferences.xml b/res/xml/preferences.xml
index 43544b854..fd19988f2 100644
--- a/res/xml/preferences.xml
+++ b/res/xml/preferences.xml
@@ -103,14 +103,6 @@
 		
 		<PreferenceScreen 
 		    android:title="@string/call">
-				
-			<EditTextPreference 
-			    android:title="@string/pref_prefix"
-				android:key="@string/pref_prefix_key"/>
-	
-			<CheckBoxPreference 
-				android:title="@string/pref_escape_plus"
-			    android:key="@string/pref_escape_plus_key"/>
 			
 			<CheckBoxPreference 
 				android:title="@string/pref_sipinfo_dtmf"
diff --git a/src/org/linphone/AccountPreferencesFragment.java b/src/org/linphone/AccountPreferencesFragment.java
index 1e890070b..b718b7f80 100644
--- a/src/org/linphone/AccountPreferencesFragment.java
+++ b/src/org/linphone/AccountPreferencesFragment.java
@@ -35,9 +35,11 @@ import android.text.InputType;
  */
 public class AccountPreferencesFragment extends PreferencesListFragment {
 	private int n;
+	private LinphonePreferences mPrefs;
 	
 	public AccountPreferencesFragment() {
 		super(R.xml.account_preferences);
+		mPrefs = LinphonePreferences.instance();
 	}
 	
 	@Override
@@ -58,7 +60,7 @@ public class AccountPreferencesFragment extends PreferencesListFragment {
 	OnPreferenceChangeListener usernameChangedListener = new OnPreferenceChangeListener() {
 		@Override
 		public boolean onPreferenceChange(Preference preference, Object newValue) {
-			LinphonePreferences.instance().setAccountUsername(n, newValue.toString());
+			mPrefs.setAccountUsername(n, newValue.toString());
 			preference.setSummary(newValue.toString());
 			return true;
 		}		
@@ -66,7 +68,7 @@ public class AccountPreferencesFragment extends PreferencesListFragment {
 	OnPreferenceChangeListener useridChangedListener = new OnPreferenceChangeListener() {
 		@Override
 		public boolean onPreferenceChange(Preference preference, Object newValue) {
-			LinphonePreferences.instance().setAccountUserId(n, newValue.toString());
+			mPrefs.setAccountUserId(n, newValue.toString());
 			preference.setSummary(newValue.toString());
 			return true;
 		}		
@@ -74,14 +76,14 @@ public class AccountPreferencesFragment extends PreferencesListFragment {
 	OnPreferenceChangeListener passwordChangedListener = new OnPreferenceChangeListener() {
 		@Override
 		public boolean onPreferenceChange(Preference preference, Object newValue) {
-			LinphonePreferences.instance().setAccountPassword(n, newValue.toString());
+			mPrefs.setAccountPassword(n, newValue.toString());
 			return true;
 		}		
 	};
 	OnPreferenceChangeListener domainChangedListener = new OnPreferenceChangeListener() {
 		@Override
 		public boolean onPreferenceChange(Preference preference, Object newValue) {
-			LinphonePreferences.instance().setAccountDomain(n, newValue.toString());
+			mPrefs.setAccountDomain(n, newValue.toString());
 			preference.setSummary(newValue.toString());
 			return true;
 		}		
@@ -89,7 +91,7 @@ public class AccountPreferencesFragment extends PreferencesListFragment {
 	OnPreferenceChangeListener proxyChangedListener = new OnPreferenceChangeListener() {
 		@Override
 		public boolean onPreferenceChange(Preference preference, Object newValue) {
-			LinphonePreferences.instance().setAccountProxy(n, newValue.toString());
+			mPrefs.setAccountProxy(n, newValue.toString());
 			preference.setSummary(newValue.toString());
 			return true;
 		}		
@@ -97,22 +99,39 @@ public class AccountPreferencesFragment extends PreferencesListFragment {
 	OnPreferenceChangeListener outboundProxyChangedListener = new OnPreferenceChangeListener() {
 		@Override
 		public boolean onPreferenceChange(Preference preference, Object newValue) {
-			LinphonePreferences.instance().setAccountOutboundProxyEnabled(n, (Boolean) newValue);
+			mPrefs.setAccountOutboundProxyEnabled(n, (Boolean) newValue);
 			return true;
 		}		
 	};
 	OnPreferenceChangeListener expiresChangedListener = new OnPreferenceChangeListener() {
 		@Override
 		public boolean onPreferenceChange(Preference preference, Object newValue) {
-			LinphonePreferences.instance().setExpires(n, newValue.toString());
+			mPrefs.setExpires(n, newValue.toString());
 			preference.setSummary(newValue.toString());
 			return true;
 		}		
 	};
+	OnPreferenceChangeListener prefixChangedListener = new OnPreferenceChangeListener() {
+		@Override
+		public boolean onPreferenceChange(Preference preference, Object newValue) {
+			String value = newValue.toString();
+			preference.setSummary(value);
+			mPrefs.setPrefix(n, value);
+			return true;
+		}
+	};
+	OnPreferenceChangeListener escapeChangedListener = new OnPreferenceChangeListener() {
+		@Override
+		public boolean onPreferenceChange(Preference preference, Object newValue) {
+			boolean value = (Boolean) newValue;
+			mPrefs.setReplacePlusByZeroZero(n, value);
+			return true;
+		}
+	};
 	OnPreferenceChangeListener disableChangedListener = new OnPreferenceChangeListener() {
 		@Override
 		public boolean onPreferenceChange(Preference preference, Object newValue) {
-			LinphonePreferences.instance().setAccountEnabled(n, (Boolean) newValue);
+			mPrefs.setAccountEnabled(n, (Boolean) newValue);
 			return true;
 		}		
 	};
@@ -124,60 +143,71 @@ public class AccountPreferencesFragment extends PreferencesListFragment {
 	};
 	
 	private void manageAccountPreferencesFields(PreferenceScreen parent) {
-		boolean isDefaultAccount = LinphonePreferences.instance().getDefaultAccountIndex() == n;
+		boolean isDefaultAccount = mPrefs.getDefaultAccountIndex() == n;
 		
-    	PreferenceCategory account = (PreferenceCategory) getPreferenceScreen().getPreference(0);
+    	PreferenceCategory account = (PreferenceCategory) getPreferenceScreen().findPreference(getString(R.string.pref_sipaccount_key));
     	EditTextPreference username = (EditTextPreference) account.getPreference(0);
-    	username.setText(LinphonePreferences.instance().getAccountUsername(n));
+    	username.setText(mPrefs.getAccountUsername(n));
     	username.getEditText().setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
     	username.setOnPreferenceChangeListener(usernameChangedListener);
     	username.setSummary(username.getText());
     	
     	EditTextPreference userid = (EditTextPreference) account.getPreference(1);
-    	userid.setText(LinphonePreferences.instance().getAccountUserId(n));
+    	userid.setText(mPrefs.getAccountUserId(n));
     	userid.getEditText().setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
     	userid.setOnPreferenceChangeListener(useridChangedListener);
     	userid.setSummary(userid.getText());
     	
     	EditTextPreference password = (EditTextPreference) account.getPreference(2);
-    	password.setText(LinphonePreferences.instance().getAccountPassword(n));
+    	password.setText(mPrefs.getAccountPassword(n));
     	password.getEditText().setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
     	password.setOnPreferenceChangeListener(passwordChangedListener);
     	
     	EditTextPreference domain = (EditTextPreference) account.getPreference(3);
-    	domain.setText(LinphonePreferences.instance().getAccountDomain(n));
+    	domain.setText(mPrefs.getAccountDomain(n));
     	domain.getEditText().setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
     	domain.setOnPreferenceChangeListener(domainChangedListener);
     	domain.setSummary(domain.getText());
-
-    	PreferenceCategory advanced = (PreferenceCategory) getPreferenceScreen().getPreference(1);
+		
+    	PreferenceCategory advanced = (PreferenceCategory) getPreferenceScreen().findPreference(getString(R.string.pref_advanced_key));
     	EditTextPreference proxy = (EditTextPreference) advanced.getPreference(0);
-    	proxy.setText(LinphonePreferences.instance().getAccountProxy(n));
+    	proxy.setText(mPrefs.getAccountProxy(n));
     	proxy.getEditText().setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
     	proxy.setOnPreferenceChangeListener(proxyChangedListener);
     	proxy.setSummary("".equals(proxy.getText()) || (proxy.getText() == null) ? getString(R.string.pref_help_proxy) : proxy.getText());
     	
     	CheckBoxPreference outboundProxy = (CheckBoxPreference) advanced.getPreference(1);
-    	outboundProxy.setChecked(LinphonePreferences.instance().isAccountOutboundProxySet(n));
+    	outboundProxy.setChecked(mPrefs.isAccountOutboundProxySet(n));
     	outboundProxy.setOnPreferenceChangeListener(outboundProxyChangedListener);
     	
     	EditTextPreference expires = (EditTextPreference) advanced.getPreference(2);
-    	expires.setText(LinphonePreferences.instance().getExpires(n));
+    	expires.setText(mPrefs.getExpires(n));
     	expires.setOnPreferenceChangeListener(expiresChangedListener);
-    	expires.setSummary(LinphonePreferences.instance().getExpires(n));
+    	expires.setSummary(mPrefs.getExpires(n));
+
+    	EditTextPreference prefix = (EditTextPreference) advanced.getPreference(3);
+    	String prefixValue = mPrefs.getPrefix(n);
+    	prefix.setSummary(prefixValue);
+    	prefix.setText(prefixValue);
+    	prefix.setOnPreferenceChangeListener(prefixChangedListener);
     	
-    	final CheckBoxPreference disable = (CheckBoxPreference) advanced.getPreference(3);
+    	CheckBoxPreference escape = (CheckBoxPreference) advanced.getPreference(4);
+		escape.setChecked(mPrefs.getReplacePlusByZeroZero(n));
+		escape.setOnPreferenceChangeListener(escapeChangedListener);
+    	
+    	PreferenceCategory manage = (PreferenceCategory) getPreferenceScreen().findPreference(getString(R.string.pref_manage_key));
+    	final CheckBoxPreference disable = (CheckBoxPreference) manage.getPreference(0);
     	disable.setEnabled(true);
-    	disable.setChecked(!LinphonePreferences.instance().isAccountEnabled(n));
+    	disable.setChecked(!mPrefs.isAccountEnabled(n));
     	disable.setOnPreferenceChangeListener(disableChangedListener);
     	
-    	CheckBoxPreference mainAccount = (CheckBoxPreference) advanced.getPreference(4);
+    	CheckBoxPreference mainAccount = (CheckBoxPreference) manage.getPreference(1);
     	mainAccount.setChecked(isDefaultAccount);
     	mainAccount.setEnabled(!mainAccount.isChecked());
     	mainAccount.setOnPreferenceClickListener(new OnPreferenceClickListener() 
     	{
 			public boolean onPreferenceClick(Preference preference) {
-				LinphonePreferences.instance().setDefaultAccount(n);
+				mPrefs.setDefaultAccount(n);
 				disable.setEnabled(false);
 				disable.setChecked(false);
 				preference.setEnabled(false);
@@ -185,11 +215,11 @@ public class AccountPreferencesFragment extends PreferencesListFragment {
 			}
 		});
 
-    	final Preference delete = advanced.getPreference(5);
+    	final Preference delete = manage.getPreference(2);
     	delete.setEnabled(true);
     	delete.setOnPreferenceClickListener(new OnPreferenceClickListener() {
 	        public boolean onPreferenceClick(Preference preference) {
-	        	LinphonePreferences.instance().deleteAccount(n);
+	        	mPrefs.deleteAccount(n);
 	        	LinphoneActivity.instance().displaySettings();
 	        	return true;
 	        }
diff --git a/src/org/linphone/LinphonePreferences.java b/src/org/linphone/LinphonePreferences.java
index 08a36413a..b654a430f 100644
--- a/src/org/linphone/LinphonePreferences.java
+++ b/src/org/linphone/LinphonePreferences.java
@@ -287,10 +287,32 @@ public class LinphonePreferences {
 	
 	public void setExpires(int n, String expire) {
 		try {
-			getProxyConfig(n).setExpires(Integer.parseInt(expire));
+			LinphoneProxyConfig prxCfg = getProxyConfig(n);
+			prxCfg.setExpires(Integer.parseInt(expire));
+			prxCfg.done();
 		} catch (NumberFormatException nfe) { }
 	}
 	
+	public String getPrefix(int n) {
+		return getProxyConfig(n).getDialPrefix();
+	}
+	
+	public void setPrefix(int n, String prefix) {
+		LinphoneProxyConfig prxCfg = getProxyConfig(n);
+		prxCfg.setDialPrefix(prefix);
+		prxCfg.done();
+	}
+	
+	public boolean getReplacePlusByZeroZero(int n) {
+		return getProxyConfig(n).getDialEscapePlus();
+	}
+	
+	public void setReplacePlusByZeroZero(int n, boolean replace) {
+		LinphoneProxyConfig prxCfg = getProxyConfig(n);
+		prxCfg.setDialEscapePlus(replace);
+		prxCfg.done();
+	}
+	
 	public void setDefaultAccount(int accountIndex) {
 		LinphoneProxyConfig[] prxCfgs = getLc().getProxyConfigList();
 		if (accountIndex >= 0 && accountIndex < prxCfgs.length)
@@ -592,7 +614,6 @@ public class LinphonePreferences {
 		getLc().setMediaEncryption(menc);
 	}
 	
-	// Push Notifications
 	public void setPushNotificationEnabled(boolean enable) {
 		 getConfig().setBool("app", "push_notification", enable);
 	}
@@ -608,7 +629,6 @@ public class LinphonePreferences {
 	public String getPushNotificationRegistrationID() {
 		return getConfig().getString("app", "push_notification_regid", null);
 	}
-	// End of Push Notifications
 	
 	public void useIpv6(Boolean enable) {
 		 getLc().enableIpv6(enable);
@@ -617,7 +637,6 @@ public class LinphonePreferences {
 	public boolean isUsingIpv6() {
 		return getLc().isIpv6Enabled();
 	}
-
 	// End of network settings
 	
 	// Advanced settings
diff --git a/src/org/linphone/SettingsFragment.java b/src/org/linphone/SettingsFragment.java
index ee823963c..d57c15d81 100644
--- a/src/org/linphone/SettingsFragment.java
+++ b/src/org/linphone/SettingsFragment.java
@@ -555,11 +555,6 @@ public class SettingsFragment extends PreferencesListFragment implements EcCalib
 	}
 	
 	private void initCallSettings() {
-		/*
-		setPreferenceDefaultValueAndSummary(R.string.pref_prefix_key, mPrefs.getPrefix());
-		((CheckBoxPreference) findPreference(getString(R.string.pref_escape_plus))).setChecked(mPrefs.replacePlusByZeroZero());
-		*/
-		
 		CheckBoxPreference rfc2833 = (CheckBoxPreference) findPreference(getString(R.string.pref_rfc2833_dtmf_key));
 		CheckBoxPreference sipInfo = (CheckBoxPreference) findPreference(getString(R.string.pref_sipinfo_dtmf_key));
 		if (mPrefs.useRfc2833Dtmfs()) {
@@ -574,27 +569,6 @@ public class SettingsFragment extends PreferencesListFragment implements EcCalib
 	}
 	
 	private void setCallPreferencesListener() {
-		/*
-		findPreference(getString(R.string.pref_prefix_key)).setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
-			@Override
-			public boolean onPreferenceChange(Preference preference, Object newValue) {
-				String value = newValue.toString();
-				preference.setSummary(value);
-				mPrefs.setPrefix(value);
-				return true;
-			}
-		});
-		
-		findPreference(getString(R.string.pref_escape_plus)).setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
-			@Override
-			public boolean onPreferenceChange(Preference preference, Object newValue) {
-				boolean value = (Boolean) newValue;
-				mPrefs.setReplacePlusByZeroZero(value);
-				return true;
-			}
-		});
-		*/
-		
 		findPreference(getString(R.string.pref_rfc2833_dtmf_key)).setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
 			@Override
 			public boolean onPreferenceChange(Preference preference, Object newValue) {
diff --git a/submodules/linphone b/submodules/linphone
index aaf2c2d0e..f04dab8f1 160000
--- a/submodules/linphone
+++ b/submodules/linphone
@@ -1 +1 @@
-Subproject commit aaf2c2d0e8f16f7204e3a055d1f04e8645f071eb
+Subproject commit f04dab8f103d7be12ad9b72bdfef87b37aea458e