diff --git a/resources/templates/provision/grandstream/gxp2140/{$mac}.xml b/resources/templates/provision/grandstream/gxp2140/{$mac}.xml
index 5d956f803a..0347bac5dc 100644
--- a/resources/templates/provision/grandstream/gxp2140/{$mac}.xml
+++ b/resources/templates/provision/grandstream/gxp2140/{$mac}.xml
@@ -6800,7 +6800,7 @@
     <!-- # 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 -->