diff --git a/src/org/linphone/core/tutorials/TutorialBuddyStatusActivity.java b/src/org/linphone/core/tutorials/TutorialBuddyStatusActivity.java
index 376afadfb..d42607d16 100644
--- a/src/org/linphone/core/tutorials/TutorialBuddyStatusActivity.java
+++ b/src/org/linphone/core/tutorials/TutorialBuddyStatusActivity.java
@@ -36,7 +36,7 @@ import android.widget.TextView;
  */
 public class TutorialBuddyStatusActivity extends Activity {
 
-	private static final String defaultSipAddress = "sip:tested@10.0.2.6:5059";
+	private static final String defaultSipAddress = "sip:";
 	private TextView sipAddressWidget;
 	private TutorialBuddyStatus tutorial;
 	private Handler mHandler =  new Handler() ;
diff --git a/src/org/linphone/core/tutorials/TutorialChatRoomActivity.java b/src/org/linphone/core/tutorials/TutorialChatRoomActivity.java
index aa4623eeb..f7dab4ce7 100644
--- a/src/org/linphone/core/tutorials/TutorialChatRoomActivity.java
+++ b/src/org/linphone/core/tutorials/TutorialChatRoomActivity.java
@@ -36,7 +36,7 @@ import android.widget.TextView;
  */
 public class TutorialChatRoomActivity extends Activity {
 
-	private static final String defaultSipAddress = "sip:tested@10.0.2.6:5059";
+	private static final String defaultSipAddress = "sip:";
 	private TextView sipAddressWidget;
 	private TutorialChatRoom tutorial;
 	private Handler mHandler =  new Handler() ;
diff --git a/src/org/linphone/core/tutorials/TutorialHelloWorldActivity.java b/src/org/linphone/core/tutorials/TutorialHelloWorldActivity.java
index 3ef643a61..60bd872c7 100644
--- a/src/org/linphone/core/tutorials/TutorialHelloWorldActivity.java
+++ b/src/org/linphone/core/tutorials/TutorialHelloWorldActivity.java
@@ -36,7 +36,7 @@ import android.widget.TextView;
  */
 public class TutorialHelloWorldActivity extends Activity {
 
-	private static final String defaultSipAddress = "sip:tested@10.0.2.6:5059";
+	private static final String defaultSipAddress = "sip:";
 	private TextView sipAddressWidget;
 	private TutorialHelloWorld tutorial;
 	private Handler mHandler =  new Handler() ;
diff --git a/src/org/linphone/core/tutorials/TutorialRegistrationActivity.java b/src/org/linphone/core/tutorials/TutorialRegistrationActivity.java
index 4da10f632..d87446140 100644
--- a/src/org/linphone/core/tutorials/TutorialRegistrationActivity.java
+++ b/src/org/linphone/core/tutorials/TutorialRegistrationActivity.java
@@ -35,8 +35,8 @@ import android.widget.TextView;
  */
 public class TutorialRegistrationActivity extends TutorialHelloWorldActivity {
 
-	private static final String defaultSipAddress = "sip:8182449901ip@mty11.axtel.net";
-	private static final String defaultSipPassword = "49901";
+	private static final String defaultSipAddress = "sip:";
+	private static final String defaultSipPassword = "";
 	private TextView sipAddressWidget;
 	private TextView sipPasswordWidget;
 	private TutorialRegistration tutorial;