diff --git a/liblinphone_tester/src/org/linphone/tester/TestRunner.java b/liblinphone_tester/src/org/linphone/tester/TestRunner.java
index 8de7dd969..af83f0005 100644
--- a/liblinphone_tester/src/org/linphone/tester/TestRunner.java
+++ b/liblinphone_tester/src/org/linphone/tester/TestRunner.java
@@ -30,6 +30,7 @@ public class TestRunner extends JUnitReportTestRunner {
 	@Override
 	public TestSuite getAllTests () {
 		TestSuite suite = new TestSuite("Tests");
+		suite.addTest(new WrapperTester());
 		addSuites(suite, mSuite, mTest);
 		return suite;
 	}
diff --git a/liblinphone_tester/src/org/linphone/tester/WrapperTester.java b/liblinphone_tester/src/org/linphone/tester/WrapperTester.java
new file mode 100644
index 000000000..8086ea795
--- /dev/null
+++ b/liblinphone_tester/src/org/linphone/tester/WrapperTester.java
@@ -0,0 +1,61 @@
+package org.linphone.tester;
+
+import org.linphone.core.LinphoneCore;
+import org.linphone.core.LinphoneCoreFactory;
+import org.linphone.core.LinphoneCoreListenerBase;
+
+import android.test.AndroidTestCase;
+import junit.framework.Assert;
+
+public class WrapperTester extends AndroidTestCase {
+
+	public WrapperTester() {
+		super();
+		setName("wrapper tester");
+	}
+	
+	LinphoneCore mCore;
+	@Override
+	protected void runTest() throws Throwable {
+		mCore.enableAudioMulticast(true);
+		Assert.assertEquals(true, mCore.audioMulticastEnabled());
+		mCore.enableAudioMulticast(false);
+		Assert.assertEquals(false, mCore.audioMulticastEnabled());
+		
+		mCore.enableVideoMulticast(true);
+		Assert.assertEquals(true, mCore.videoMulticastEnabled());
+		mCore.enableVideoMulticast(false);
+		Assert.assertEquals(false, mCore.videoMulticastEnabled());
+		
+		String ip = "224.3.2.1";
+		mCore.setAudioMulticastAddr(ip);
+		Assert.assertEquals(ip, mCore.getAudioMulticastAddr());
+		
+		ip = "224.3.2.3";
+		mCore.setVideoMulticastAddr(ip);
+		Assert.assertEquals(ip, mCore.getVideoMulticastAddr());
+		
+		mCore.setAudioMulticastTtl(3);
+		Assert.assertEquals(3, mCore.getAudioMulticastTtl());
+		
+		mCore.setVideoMulticastTtl(4);
+		Assert.assertEquals(4, mCore.getVideoMulticastTtl());
+		
+	}
+
+	@Override
+	protected void setUp() throws Exception {
+		// TODO Auto-generated method stub
+		super.setUp();
+		mCore = LinphoneCoreFactory.instance().createLinphoneCore(new LinphoneCoreListenerBase(),null);
+	}
+
+	@Override
+	protected void tearDown() throws Exception {
+		// TODO Auto-generated method stub
+		super.tearDown();
+		mCore.destroy();
+		mCore=null;
+	}
+
+}
diff --git a/submodules/linphone b/submodules/linphone
index c2116983d..2b7f2fd1c 160000
--- a/submodules/linphone
+++ b/submodules/linphone
@@ -1 +1 @@
-Subproject commit c2116983d51eb3fa4ec0ada10b87077d36f25a3e
+Subproject commit 2b7f2fd1cb82b2c36014f03914f02e3325990da4