diff --git a/src/org/linphone/LinphoneService.java b/src/org/linphone/LinphoneService.java
index c3e7ee3ac..f4fde0551 100644
--- a/src/org/linphone/LinphoneService.java
+++ b/src/org/linphone/LinphoneService.java
@@ -35,10 +35,8 @@ import org.linphone.core.LinphoneProxyConfig;
 import org.linphone.core.LinphoneCore.GeneralState;
 
 
-import android.app.AlertDialog;
 import android.app.Service;
 import android.content.Context;
-import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.net.ConnectivityManager;
@@ -253,7 +251,8 @@ public class LinphoneService extends Service implements LinphoneCoreListener {
 			}
 			//init network state
 			ConnectivityManager lConnectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
-			mLinphoneCore.setNetworkStateReachable(lConnectivityManager.getActiveNetworkInfo().getState() ==NetworkInfo.State.CONNECTED); 
+			NetworkInfo lInfo = lConnectivityManager.getActiveNetworkInfo();
+			mLinphoneCore.setNetworkStateReachable( lInfo !=null? lConnectivityManager.getActiveNetworkInfo().getState() ==NetworkInfo.State.CONNECTED:false); 
 			
 		} catch (LinphoneCoreException e) {
 			throw new LinphoneConfigException(getString(R.string.wrong_settings),e);
diff --git a/src/org/linphone/core/LinphoneAddressImpl.java b/src/org/linphone/core/LinphoneAddressImpl.java
index ed879338c..3f11322ed 100644
--- a/src/org/linphone/core/LinphoneAddressImpl.java
+++ b/src/org/linphone/core/LinphoneAddressImpl.java
@@ -29,13 +29,17 @@ public class LinphoneAddressImpl implements LinphoneAddress {
 	private native String getUserName(long ptr);
 	private native String getDomain(long ptr);
 	private native String toUri(long ptr);
-	private native String setDisplayName(long ptr,String name);
+	private native void setDisplayName(long ptr,String name);
 	private native String toString(long ptr);
 	
 	
 	protected LinphoneAddressImpl(String username,String domain,String displayName)  {
 		nativePtr = newLinphoneAddressImpl("sip:"+username+"@"+domain, displayName);
 	}
+	protected LinphoneAddressImpl(long aNativePtr,boolean javaOwnPtr)  {
+		nativePtr = aNativePtr;
+		ownPtr=javaOwnPtr;
+	}
 	protected LinphoneAddressImpl(long aNativePtr)  {
 		nativePtr = aNativePtr;
 		ownPtr=false;
diff --git a/src/org/linphone/core/LinphoneCoreImpl.java b/src/org/linphone/core/LinphoneCoreImpl.java
index a1087f24d..9768066cc 100644
--- a/src/org/linphone/core/LinphoneCoreImpl.java
+++ b/src/org/linphone/core/LinphoneCoreImpl.java
@@ -177,7 +177,7 @@ class LinphoneCoreImpl implements LinphoneCore {
 	public LinphoneAddress interpretUrl(String destination) throws LinphoneCoreException {
 		long lAddress = interpretUrl(nativePtr,destination);
 		if (lAddress != 0) {
-			return new LinphoneAddressImpl(lAddress);
+			return new LinphoneAddressImpl(lAddress,true);
 		} else {
 			throw new LinphoneCoreException("Cannot interpret ["+destination+"]");
 		}