diff --git a/LinphoneAddress.java b/LinphoneAddress.java
index d7ad7c4b0..619bd4fb8 100644
--- a/LinphoneAddress.java
+++ b/LinphoneAddress.java
@@ -34,4 +34,9 @@ public interface LinphoneAddress {
 	 * @return null if not set
 	 */
 	public String getDomain();
+	
+	/**
+	 * @return an URI version of the address that can be used to place a call using {@link LinphoneCore#invite(String)}
+	 */
+	public String toUri();
 }
diff --git a/LinphoneAddressImpl.java b/LinphoneAddressImpl.java
index 83176180e..fd80db86e 100644
--- a/LinphoneAddressImpl.java
+++ b/LinphoneAddressImpl.java
@@ -28,7 +28,7 @@ public class LinphoneAddressImpl implements LinphoneAddress {
 	private native String getDisplayName(long ptr);
 	private native String getUserName(long ptr);
 	private native String getDomain(long ptr);
-	
+	private native String toUri(long ptr);
 	
 	protected LinphoneAddressImpl(String username,String domain,String displayName)  {
 		nativePtr = newLinphoneAddressImpl("sip:"+username+"@"+domain, displayName);
@@ -51,11 +51,10 @@ public class LinphoneAddressImpl implements LinphoneAddress {
 	}
 	
 	public String toString() {
-		String tmp="";
-		if (getDisplayName()!=null) {
-			tmp="<"+getDisplayName()+">";
-		}
-		return tmp+"sip:"+getUserName()+"@"+getDomain();
+		return toUri();
+	}
+	public String toUri() {
+		return toUri(nativePtr);	
 	}
  
 }
diff --git a/LinphoneCoreFactory.java b/LinphoneCoreFactory.java
index 265ba65dd..4cbded4f9 100644
--- a/LinphoneCoreFactory.java
+++ b/LinphoneCoreFactory.java
@@ -39,6 +39,9 @@ public class LinphoneCoreFactory {
 		return new LinphoneCoreImpl(listener,userConfig,factoryConfig,userdata);
 	}
 	
+	public LinphoneAddress createLinphoneAddress(String username,String domain,String displayName) {
+		return new LinphoneAddressImpl(username,domain,displayName);
+	}
 
 
 }
diff --git a/LinphoneProxyConfig.java b/LinphoneProxyConfig.java
index 8e338e613..97c7d21a6 100644
--- a/LinphoneProxyConfig.java
+++ b/LinphoneProxyConfig.java
@@ -51,4 +51,15 @@ public interface LinphoneProxyConfig {
 	 * @return
 	 */
 	public String normalizePhoneNumber(String number);
+	/**
+	 * usefull function to automatically add internationnal prefix to e164 phone numbers
+	 * @param prefix
+	 */
+	public void setDialPrefix(String prefix);
+	
+	/**
+	 * rget domain host name or ip
+	 * @return may be null
+	 */
+	public String getDomain();
 }
diff --git a/LinphoneProxyConfigImpl.java b/LinphoneProxyConfigImpl.java
index 7c65c7b28..a82418cdb 100644
--- a/LinphoneProxyConfigImpl.java
+++ b/LinphoneProxyConfigImpl.java
@@ -55,8 +55,12 @@ class LinphoneProxyConfigImpl implements LinphoneProxyConfig {
 
 	private native void enableRegister(long ptr,boolean value);
 	
+	private native void setDialPrefix(long ptr, String prefix);
+	
 	private native String normalizePhoneNumber(long ptr,String number);
 	
+	private native String getDomain(long ptr);
+	
 	public void enableRegister(boolean value) {
 		enableRegister(nativePtr,value);
 	}
@@ -81,4 +85,10 @@ class LinphoneProxyConfigImpl implements LinphoneProxyConfig {
 	public String normalizePhoneNumber(String number) {
 		return normalizePhoneNumber(nativePtr,number);
 	}
+	public void setDialPrefix(String prefix) {
+		setDialPrefix(nativePtr, prefix);
+	}
+	public String getDomain() {
+		return getDomain(nativePtr);
+	}
 }