diff --git a/Resources/assistant_external_sip.rc b/Resources/assistant_external_sip.rc
index 02c4b9408..3eac1a864 100644
--- a/Resources/assistant_external_sip.rc
+++ b/Resources/assistant_external_sip.rc
@@ -10,6 +10,7 @@
 		<entry name="reg_route" overwrite="true"></entry>
 		<entry name="reg_sendregister" overwrite="true">1</entry>
 		<entry name="refkey" overwrite="true"></entry>
+		<entry name="realm" overwrite="true"></entry>
 	</section>
 
 	<section name="assistant">
diff --git a/Resources/assistant_linphone_create.rc b/Resources/assistant_linphone_create.rc
index 0488ae3cf..0f0f6d9f6 100644
--- a/Resources/assistant_linphone_create.rc
+++ b/Resources/assistant_linphone_create.rc
@@ -12,6 +12,7 @@
 		<entry name="reg_identity" overwrite="true">sip:?@sip.linphone.org</entry>
 		<entry name="reg_sendregister" overwrite="true">1</entry>
 		<entry name="refkey" overwrite="true">push_notification</entry>
+		<entry name="realm" overwrite="true">sip.linphone.org</entry>
 	</section>
 
 	<section name="assistant">
diff --git a/Resources/assistant_linphone_existing.rc b/Resources/assistant_linphone_existing.rc
index d19f12ea8..5c3c911f3 100644
--- a/Resources/assistant_linphone_existing.rc
+++ b/Resources/assistant_linphone_existing.rc
@@ -12,6 +12,7 @@
 		<entry name="reg_identity" overwrite="true">sip:?@sip.linphone.org</entry>
 		<entry name="reg_sendregister" overwrite="true">1</entry>
 		<entry name="refkey" overwrite="true">push_notification</entry>
+		<entry name="realm" overwrite="true">sip.linphone.org</entry>
 	</section>
 
 	<section name="assistant">
diff --git a/Resources/assistant_remote.rc b/Resources/assistant_remote.rc
index 08def0c30..213679f6d 100644
--- a/Resources/assistant_remote.rc
+++ b/Resources/assistant_remote.rc
@@ -10,6 +10,7 @@
 		<entry name="reg_route" overwrite="true"></entry>
 		<entry name="reg_sendregister" overwrite="true">1</entry>
 		<entry name="refkey" overwrite="true"></entry>
+		<entry name="realm" overwrite="true"></entry>
 	</section>
 
 	<section name="assistant">