diff --git a/LinphoneCore.java b/LinphoneCore.java
index c886c4038..1f8e73449 100644
--- a/LinphoneCore.java
+++ b/LinphoneCore.java
@@ -123,6 +123,15 @@ public interface LinphoneCore {
 	 */
 	public List<LinphoneCallLog> getCallLogs();
 	
+	/**
+	 * This method is called by the application to notify the Linphone core library when network is reachable.
+	 * Calling this method with true trigger Linphone to initiate a registration process for all proxy
+	 * configuration with parameter register set to enable.
+	 * This method disable the automatic registration mode. It means you must call this method after each network state changes
+	 * @param network state  
+	 *
+	 */
+	public void setNetworkStateReachable(boolean isReachable);
 	/**
 	 * destroy linphone core and free all underlying resources
 	 */
diff --git a/LinphoneCoreImpl.java b/LinphoneCoreImpl.java
index ba6f5a384..b1dedfeb4 100644
--- a/LinphoneCoreImpl.java
+++ b/LinphoneCoreImpl.java
@@ -51,6 +51,7 @@ class LinphoneCoreImpl implements LinphoneCore {
 	private native long getCallLog(long nativePtr,int position);
 	private native int getNumberOfCallLogs(long nativePtr);
 	private native void delete(long nativePtr);
+	private native void setNetworkStateReachable(long nativePtr,boolean isReachable); 
 	
 	
 	LinphoneCoreImpl(LinphoneCoreListener listener, File userConfig,File factoryConfig,Object  userdata) throws IOException {
@@ -155,4 +156,7 @@ class LinphoneCoreImpl implements LinphoneCore {
 			throw new RuntimeException("object already destroyed");
 		}
 	}
+	public void setNetworkStateReachable(boolean isReachable) {
+		setNetworkStateReachable(nativePtr,isReachable);
+	}
 }