diff --git a/conf/testing/dialplan/default/0026_fax.xml b/conf/testing/dialplan/default/0026_fax.xml
index 855f5fcd43..1a4d3b8a8e 100644
--- a/conf/testing/dialplan/default/0026_fax.xml
+++ b/conf/testing/dialplan/default/0026_fax.xml
@@ -26,7 +26,7 @@
 <extension name="rxfax_t38">
   <condition field="destination_number" expression="^9102$">
     <!-- Uncomment for glare testing -->
-    <!--<action application="set" data="fax_enable_t38_request=true"/>-->
+    <action application="set" data="fax_enable_t38_request=true"/>
     <action application="set" data="fax_enable_t38=true"/>
     <action application="answer"/>
     <action application="rxfax" data="/tmp/${uuid}.tif"/>  
@@ -235,3 +235,21 @@
   </condition>
 </extension>
 
+
+<!-- TEST10: (FS-9943) Basic rx/tx fax test to validate the default handling without t38 enabled an falling back to t.30-->
+<!-- expand bgapi originate {absolute_codec_string=pcmu}sofia/external/9160@${local_ip_v4}:5080 9161 XML public -->
+<extension name="rxfax_txfax_test">
+  <condition field="destination_number" expression="^9160$">
+    <action application="answer"/>
+    <action application="rxfax" data="/tmp/${uuid}.tif"/>  
+  </condition>
+</extension>
+
+<extension name="txfax">
+  <condition field="destination_number" expression="^9161$">
+    <action application="set" data="fax_enable_t38_request=true"/>
+    <action application="set" data="fax_enable_t38=true"/>
+    <action application="answer"/>
+    <action application="txfax" data="/root/fax.tif"/>  
+  </condition>
+</extension>