diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index afd69be70..a8a39ff7d 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
       package="org.linphone"
-      android:versionCode="2003" android:installLocation="auto"> 
+      android:versionCode="2100" android:installLocation="auto"> 
     <uses-sdk android:minSdkVersion="8" android:targetSdkVersion="17"/>
     
     <!-- Permissions for Push Notification -->
@@ -103,7 +103,9 @@
             </intent-filter>
          </activity>
 
-	    <service android:name="org.linphone.LinphoneService" android:stopWithTask="false"/>
+	    <service android:name="org.linphone.LinphoneService"
+	        android:label="@string/service_name"
+	        android:stopWithTask="false"/>
 	        
 		<receiver android:name="org.linphone.NetworkManager">
 			<intent-filter><action android:name="android.net.conn.CONNECTIVITY_CHANGE"></action></intent-filter>
diff --git a/jni/Android.mk b/jni/Android.mk
index 43d1185d3..0902fb002 100755
--- a/jni/Android.mk
+++ b/jni/Android.mk
@@ -45,18 +45,10 @@ endif
 include $(linphone-root-dir)/submodules/externals/build/libxml2/Android.mk
 
 # Speex
-ifeq ($(wildcard $(linphone-root-dir)/submodules/externals/prebuilts/speex.mk),)
 include $(linphone-root-dir)/submodules/externals/build/speex/Android.mk
-else
-include $(linphone-root-dir)/submodules/externals/prebuilts/speex.mk
-endif
 
 # Gsm
-ifeq ($(wildcard $(linphone-root-dir)/submodules/externals/prebuilts/gsm.mk),)
 include $(linphone-root-dir)/submodules/externals/build/gsm/Android.mk
-else
-include $(linphone-root-dir)/submodules/externals/prebuilts/gsm.mk
-endif
 
 include $(linphone-root-dir)/submodules/externals/build/polarssl/Android.mk
 include $(linphone-root-dir)/submodules/externals/build/antlr3/Android.mk
@@ -98,19 +90,11 @@ ifeq (,$(DUMP_VAR))
 $(info Build X264 plugin for mediastreamer2)
 endif
 include $(linphone-root-dir)/submodules/msx264/Android.mk
-ifeq ($(wildcard $(linphone-root-dir)/submodules/externals/prebuilts/x264.mk),)
 include $(linphone-root-dir)/submodules/externals/build/x264/Android.mk
-else
-include $(linphone-root-dir)/submodules/externals/prebuilts/x264.mk
-endif
 endif
 
-ifeq ($(wildcard $(linphone-root-dir)/submodules/externals/prebuilts/ffmpeg.mk),)
 include $(linphone-root-dir)/submodules/externals/build/ffmpeg/Android.mk
 include $(linphone-root-dir)/submodules/externals/build/ffmpeg-no-neon/Android.mk
-else
-include $(linphone-root-dir)/submodules/externals/prebuilts/ffmpeg.mk
-endif
 
 include $(linphone-root-dir)/submodules/externals/build/libvpx/Android.mk
 endif #armeabi-v7a
@@ -120,11 +104,7 @@ ifeq ($(BUILD_GPLV3_ZRTP), 1)
 ifeq (,$(DUMP_VAR))
 $(info Build ZRTP support - makes application GPLv3)
 endif
-ifeq ($(wildcard $(linphone-root-dir)/submodules/externals/prebuilts/zrtpcpp.mk),)
 include $(linphone-root-dir)/submodules/externals/build/libzrtpcpp/Android.mk
-else
-include $(linphone-root-dir)/submodules/externals/prebuilts/zrtpcpp.mk
-endif
 endif
 
 ifeq ($(BUILD_SRTP), 1)
diff --git a/res/values/custom.xml b/res/values/custom.xml
index b96131b80..e767c7538 100644
--- a/res/values/custom.xml
+++ b/res/values/custom.xml
@@ -8,6 +8,7 @@
 	<string name="picture_name_format">linphone-mms-%s.jpg</string>
     
 	<string name="app_name">Linphone</string>
+	<string name="service_name">Linphone Service</string>
 	<string name="addressbook_label">Linphone</string>
 	<string name="notification_title">Linphone</string>
 	<string name="wait_dialog_text">Starting up</string>
diff --git a/res/values/non_localizable_defaults.xml b/res/values/non_localizable_defaults.xml
index 89378bde6..0e606d8ec 100644
--- a/res/values/non_localizable_defaults.xml
+++ b/res/values/non_localizable_defaults.xml
@@ -17,6 +17,7 @@
     <bool name="pref_codec_g722_default">false</bool>
     <bool name="pref_codec_silk24_default">false</bool>
     <bool name="pref_codec_silk16_default">true</bool>
+    <bool name="pref_codec_silk8_default">false</bool>
     <bool name="pref_codec_pcmu_default">true</bool>
     <bool name="pref_codec_pcma_default">true</bool>
     
diff --git a/res/xml/preferences.xml b/res/xml/preferences.xml
index 2767bec72..9cc7c866c 100644
--- a/res/xml/preferences.xml
+++ b/res/xml/preferences.xml
@@ -102,6 +102,11 @@
 					android:defaultValue="@bool/pref_codec_g722_default"
 					android:title="@string/pref_codec_g722"/>
 				
+				<CheckBoxPreference 
+				    android:key="@string/pref_codec_silk8_key" 
+	                android:defaultValue="@bool/pref_codec_silk8_default"
+					android:title="@string/pref_codec_silk8"/>
+
 				<CheckBoxPreference 
 				    android:key="@string/pref_codec_silk16_key" 
 	                android:defaultValue="@bool/pref_codec_silk16_default"
diff --git a/src/org/linphone/InCallActivity.java b/src/org/linphone/InCallActivity.java
index 279aeea3a..eeab05a80 100644
--- a/src/org/linphone/InCallActivity.java
+++ b/src/org/linphone/InCallActivity.java
@@ -252,15 +252,15 @@ public class InCallActivity extends FragmentActivity implements
 		if (LinphoneManager.getInstance().isBluetoothScoConnected) {
 			try {
 				routeLayout.setVisibility(View.VISIBLE);
+				audioRoute.setVisibility(View.VISIBLE);
+				speaker.setVisibility(View.GONE);
 			} catch (NullPointerException npe) {}
-			audioRoute.setVisibility(View.VISIBLE);
-			speaker.setVisibility(View.GONE);
 		} else {
 			try {
 				routeLayout.setVisibility(View.GONE);
+				audioRoute.setVisibility(View.GONE);
+				speaker.setVisibility(View.VISIBLE);
 			} catch (NullPointerException npe) {}
-			audioRoute.setVisibility(View.GONE);
-			speaker.setVisibility(View.VISIBLE);
 		}
 	}
 	
diff --git a/src/org/linphone/LinphoneManager.java b/src/org/linphone/LinphoneManager.java
index 72a13569b..2e205fddd 100644
--- a/src/org/linphone/LinphoneManager.java
+++ b/src/org/linphone/LinphoneManager.java
@@ -29,6 +29,7 @@ import static org.linphone.R.string.pref_codec_speex32_key;
 import static org.linphone.R.string.pref_video_enable_key;
 import static org.linphone.core.LinphoneCall.State.CallEnd;
 import static org.linphone.core.LinphoneCall.State.Error;
+import static org.linphone.core.LinphoneCall.State.CallReleased;
 import static org.linphone.core.LinphoneCall.State.IncomingReceived;
 
 import java.io.File;
@@ -151,6 +152,7 @@ public class LinphoneManager implements LinphoneCoreListener {
 	private String basePath;
 	private static boolean sExited;
 	private String contactParams;
+	private boolean mAudioFocused;
 
 	private WakeLock mIncallWakeLock;
 	
@@ -160,6 +162,7 @@ public class LinphoneManager implements LinphoneCoreListener {
 	private BroadcastReceiver bluetoothReiceiver = new BluetoothManager();
 	public boolean isBluetoothScoConnected;
 	public boolean isUsingBluetoothAudioRoute;
+	private boolean mBluetoothStarted;
 	
 	public ChatStorage chatStorage;
 
@@ -214,10 +217,11 @@ public class LinphoneManager implements LinphoneCoreListener {
 
 	private void routeAudioToSpeakerHelper(boolean speakerOn) {
 		isUsingBluetoothAudioRoute = false;
-		if (mAudioManager != null) {
-			Compatibility.setAudioManagerInCallMode(mAudioManager);
+		if (mAudioManager != null && mBluetoothStarted) {
+			//Compatibility.setAudioManagerInCallMode(mAudioManager);
 			mAudioManager.stopBluetoothSco();
 			mAudioManager.setBluetoothScoOn(false);
+			mBluetoothStarted=false;
 		}
 		
 		if (!speakerOn) {
@@ -296,10 +300,11 @@ public class LinphoneManager implements LinphoneCoreListener {
 	
 	@TargetApi(Build.VERSION_CODES.HONEYCOMB)
 	public boolean routeAudioToBluetooth() {
-		BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
-		if (mBluetoothAdapter.isEnabled() && mAudioManager.isBluetoothScoAvailableOffCall()) {
+		BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
+		if (bluetoothAdapter.isEnabled() && mAudioManager.isBluetoothScoAvailableOffCall()) {
 			mAudioManager.setBluetoothScoOn(true);	
 			mAudioManager.startBluetoothSco();
+			mBluetoothStarted=true;
 			
 			if (Version.sdkAboveOrEqual(Version.API11_HONEYCOMB_30)) {
 				isUsingBluetoothAudioRoute = false;
@@ -314,7 +319,8 @@ public class LinphoneManager implements LinphoneCoreListener {
 					Log.d("No bluetooth device available");	
 					scoDisconnected();
 				} else {
-					mAudioManager.setMode(AudioManager.MODE_IN_CALL);
+					//Why is this for:
+					//mAudioManager.setMode(AudioManager.MODE_IN_CALL);
 					for (LinphoneOnAudioChangedListener listener : getSimpleListeners(LinphoneOnAudioChangedListener.class)) {
 						listener.onAudioStateChanged(AudioState.SPEAKER);
 					}
@@ -327,16 +333,17 @@ public class LinphoneManager implements LinphoneCoreListener {
 	}
 	
 	public void scoConnected() {
-		Log.e("Bluetooth sco connected!");
+		Log.i("Bluetooth sco connected!");
 		isBluetoothScoConnected = true;
 	}
 	
 	public void scoDisconnected() {
-		Log.e("Bluetooth sco disconnected!");
+		Log.w("Bluetooth sco disconnected!");
 		isUsingBluetoothAudioRoute = false;
 		isBluetoothScoConnected = false;
 		if (mAudioManager != null) {
-			mAudioManager.setMode(AudioManager.MODE_NORMAL);
+			//why is this for ?
+			//mAudioManager.setMode(AudioManager.MODE_NORMAL);
 			mAudioManager.stopBluetoothSco();
 			mAudioManager.setBluetoothScoOn(false);
 		}
@@ -1225,12 +1232,6 @@ public class LinphoneManager implements LinphoneCoreListener {
 			} 
 		}
 		
-		if (state == LinphoneCall.State.Connected) {
-			if (mLc.getCallsNb() == 1) {
-				Log.d("Audio focus requested: " + (mAudioManager.requestAudioFocus(null, AudioManager.STREAM_VOICE_CALL, AudioManager.AUDIOFOCUS_GAIN) == AudioManager.AUDIOFOCUS_REQUEST_GRANTED ? "Granted" : "Denied"));
-			}
-		}
-
 		if (state == IncomingReceived || (state == State.CallIncomingEarlyMedia && mR.getBoolean(R.bool.allow_ringing_while_early_media))) {
 			// Brighten screen for at least 10 seconds
 			if (mLc.getCallsNb() == 1) {
@@ -1242,23 +1243,34 @@ public class LinphoneManager implements LinphoneCoreListener {
 			//previous state was ringing, so stop ringing
 			stopRinging();
 		}
+		
+		if (state == LinphoneCall.State.Connected) {
+			if (mLc.getCallsNb() == 1) {
+				requestAudioFocus();
+				Compatibility.setAudioManagerInCallMode(mAudioManager);
+			}
+			
+			if (Hacks.needSoftvolume() || sLPref.useSoftvolume()) {
+				adjustVolume(0); // Synchronize
+			}
+		}
 
 		if (state == CallEnd || state == Error) {
 			if (mLc.getCallsNb() == 0) {
-				Log.d("Audio focus released: " + (mAudioManager.abandonAudioFocus(null) == AudioManager.AUDIOFOCUS_REQUEST_GRANTED ? "Granted" : "Denied"));
-				mAudioManager.setMode(AudioManager.MODE_NORMAL);
-			}
-			Context activity = getContext();
-			if (activity != null) {
-				TelephonyManager tm = (TelephonyManager) activity.getSystemService(Context.TELEPHONY_SERVICE);
-				if (tm.getCallState() == TelephonyManager.CALL_STATE_IDLE) {
-					mAudioManager.setMode(AudioManager.MODE_NORMAL);
+				if (mAudioFocused){
+					int res=mAudioManager.abandonAudioFocus(null);
+					Log.d("Audio focus released a bit later: " + (res == AudioManager.AUDIOFOCUS_REQUEST_GRANTED ? "Granted" : "Denied"));
+					mAudioFocused=false;
+				}
+				
+				Context activity = getContext();
+				if (activity != null) {
+					TelephonyManager tm = (TelephonyManager) activity.getSystemService(Context.TELEPHONY_SERVICE);
+					if (tm.getCallState() == TelephonyManager.CALL_STATE_IDLE) {
+						mAudioManager.setMode(AudioManager.MODE_NORMAL);
+						Log.d("---AudioManager: back to MODE_NORMAL");
+					}
 				}
-			}
-		}
-		if (state == State.Connected) {
-			if (Hacks.needSoftvolume() || sLPref.useSoftvolume()) {
-				adjustVolume(0); // Synchronize
 			}
 		}
 
@@ -1282,7 +1294,6 @@ public class LinphoneManager implements LinphoneCoreListener {
 			} else {
 				Log.i("New call active while incall (CPU only) wake lock already active");
 			}
-			Compatibility.setAudioManagerInCallMode(mAudioManager);
 		}
 		mListenerDispatcher.onCallStateChanged(call, state, message);
 	}
@@ -1327,6 +1338,14 @@ public class LinphoneManager implements LinphoneCoreListener {
 		disableRinging = true;
 	}
 	
+	private void requestAudioFocus(){
+		if (!mAudioFocused){
+			int res=mAudioManager.requestAudioFocus(null, AudioManager.STREAM_VOICE_CALL, AudioManager.AUDIOFOCUS_GAIN_TRANSIENT );
+			Log.d("Audio focus requested: " + (res == AudioManager.AUDIOFOCUS_REQUEST_GRANTED ? "Granted" : "Denied"));
+			if (res==AudioManager.AUDIOFOCUS_REQUEST_GRANTED) mAudioFocused=true;
+		}
+	}
+	
 	private synchronized void startRinging()  {
 		if (disableRinging ) {
 			return;
@@ -1342,6 +1361,7 @@ public class LinphoneManager implements LinphoneCoreListener {
 				mVibrator.vibrate(patern, 1);
 			}
 			if (mRingerPlayer == null) {
+				requestAudioFocus();
 				mRingerPlayer = new MediaPlayer();
 				mRingerPlayer.setAudioStreamType(STREAM_RING);
 				mListenerDispatcher.onRingerPlayerCreated(mRingerPlayer);
@@ -1366,7 +1386,10 @@ public class LinphoneManager implements LinphoneCoreListener {
 		if (mVibrator!=null) {
 			mVibrator.cancel();
 		}
-
+		
+		if (Hacks.needGalaxySAudioHack())
+			mAudioManager.setMode(AudioManager.MODE_NORMAL);
+		
 		isRinging = false;
 		// You may need to call galaxys audio hack after this method
 		routeAudioToReceiver();
@@ -1628,7 +1651,7 @@ public class LinphoneManager implements LinphoneCoreListener {
 			
 			Context activity = getContext();
 			if (activity != null) {
-			TelephonyManager tm = (TelephonyManager) activity.getSystemService(Context.TELEPHONY_SERVICE);
+				TelephonyManager tm = (TelephonyManager) activity.getSystemService(Context.TELEPHONY_SERVICE);
 				if (state == State.CallEnd && mLc.getCallsNb() == 0 && tm.getCallState() == TelephonyManager.CALL_STATE_IDLE) {
 					routeAudioToReceiver();
 				}