diff --git a/java/common/org/linphone/core/LinphoneCall.java b/java/common/org/linphone/core/LinphoneCall.java
index 545793eee..171e2e6b4 100644
--- a/java/common/org/linphone/core/LinphoneCall.java
+++ b/java/common/org/linphone/core/LinphoneCall.java
@@ -24,7 +24,7 @@ import java.util.Vector;
  * Object representing a Call. calls are created using {@link LinphoneCore#invite(LinphoneAddress)} or passed to the application by listener {@link LinphoneCoreListener#callState(LinphoneCore, LinphoneCall, State, String)}
  * 
  */
-@SuppressWarnings("unchecked")
+
 public interface LinphoneCall {
 	/**
 	 * Linphone call states
diff --git a/java/common/org/linphone/core/LinphoneCallLog.java b/java/common/org/linphone/core/LinphoneCallLog.java
index 1a1ffefb0..ccfdc7632 100644
--- a/java/common/org/linphone/core/LinphoneCallLog.java
+++ b/java/common/org/linphone/core/LinphoneCallLog.java
@@ -24,7 +24,7 @@ package org.linphone.core;
 import java.util.Vector;
 
 
-@SuppressWarnings("unchecked")
+
 public interface LinphoneCallLog {
 	/**
 	 * Represents call status
diff --git a/java/common/org/linphone/core/LinphoneCore.java b/java/common/org/linphone/core/LinphoneCore.java
index e98165fc1..84a38ca7d 100644
--- a/java/common/org/linphone/core/LinphoneCore.java
+++ b/java/common/org/linphone/core/LinphoneCore.java
@@ -25,7 +25,7 @@ import java.util.Vector;
  * Linphone core main object created by method {@link LinphoneCoreFactory#createLinphoneCore(LinphoneCoreListener, String, String, Object)}.	
  *
  */
-@SuppressWarnings("unchecked")
+
 public interface LinphoneCore {
 	/**
 	 * linphone core states
@@ -429,10 +429,17 @@ public interface LinphoneCore {
 	 */
 	public boolean isEchoCancellationEnabled();
 	/**
-	 * not implemented yet
+	 * set transport used for signaling (TCP or UDP)
+	 * 
 	 * @param aTransport
 	 */
 	public void setSignalingTransport(Transport aTransport);
+	/**
+	 * get transport used for signaling (TCP or UDP)
+	 * 
+	 * @return  Transport;
+	 */
+	public Transport getSignalingTransport();
 	/**
 	 * not implemented
 	 * @param value
diff --git a/java/common/org/linphone/core/LinphoneCoreFactory.java b/java/common/org/linphone/core/LinphoneCoreFactory.java
index a4137ec91..6629c3dc3 100644
--- a/java/common/org/linphone/core/LinphoneCoreFactory.java
+++ b/java/common/org/linphone/core/LinphoneCoreFactory.java
@@ -21,7 +21,7 @@ package org.linphone.core;
 
 
 
-@SuppressWarnings("unchecked")
+
 abstract public class LinphoneCoreFactory {
 	
 	private static String factoryName = "org.linphone.core.LinphoneCoreFactoryImpl";
diff --git a/java/common/org/linphone/core/LinphoneFriend.java b/java/common/org/linphone/core/LinphoneFriend.java
index 6e7d4007a..9d2f97fa6 100644
--- a/java/common/org/linphone/core/LinphoneFriend.java
+++ b/java/common/org/linphone/core/LinphoneFriend.java
@@ -27,7 +27,7 @@ import java.util.Vector;
  * 
  *
  */
-@SuppressWarnings("unchecked")
+
 public interface LinphoneFriend {
 	/**
 	 * Enum controlling behavior for incoming subscription request. 
diff --git a/java/common/org/linphone/core/OnlineStatus.java b/java/common/org/linphone/core/OnlineStatus.java
index 4c2d8110b..0653d1a96 100644
--- a/java/common/org/linphone/core/OnlineStatus.java
+++ b/java/common/org/linphone/core/OnlineStatus.java
@@ -25,7 +25,7 @@ import java.util.Vector;
  * Enum describing remote friend status
  *
  */
-@SuppressWarnings("unchecked")
+
 public class OnlineStatus {
 
 		static private Vector values = new Vector();
diff --git a/java/common/org/linphone/core/VideoSize.java b/java/common/org/linphone/core/VideoSize.java
index 8e5c079c7..b9b3e0710 100644
--- a/java/common/org/linphone/core/VideoSize.java
+++ b/java/common/org/linphone/core/VideoSize.java
@@ -78,7 +78,7 @@ public final class VideoSize {
 		return true;
 	}
 	
-	@Override
+	
 	public String toString() {
 		return "width = "+width + " height = " + height;
 	}