diff --git a/resources/templates/provision/grandstream/gxp2124/{$mac}.xml b/resources/templates/provision/grandstream/gxp2124/{$mac}.xml
index 6f68b95335..dddf9313db 100644
--- a/resources/templates/provision/grandstream/gxp2124/{$mac}.xml
+++ b/resources/templates/provision/grandstream/gxp2124/{$mac}.xml
@@ -2153,7 +2153,7 @@
     <!-- Use Random Port. 0 - No, 1 - Yes. Default is 0 -->
     <!-- Number: 0, 1 -->
     <!-- Mandatory -->
-    <P78>0</P78>
+    <P78>1</P78>
     <!-- Keep-alive interval (in seconds). Default is 20 -->
     <!-- Number: 10 - 160 -->
     <!-- Mandatory -->