<div dir="ltr">Hello,<div><br></div><div>I have this line in my dial plan:</div><div><br></div><div>&lt;action application=&quot;set&quot; data=&quot;execute_on_answer=spandsp_start_fax_detect transfer &#39;FAX_DETECTED XML default&#39; 10&quot;/&gt;<br></div><div><br></div><div>However, the fax is not detected at times. There is one particular fax machine that freeswitch never detects the fax tone. When I listen to the pcap, I do hear the fax tone.</div><div><br></div><div>Is there anything I can do to improve the fax tone detection?</div><div><br></div><div>Thanks,</div><div>Ali Pey</div><div><br></div><img class="cm-tracker" src="https://contactmonkey.com/api/v1/tracker?cm_session=3c06ecee-3fe2-4466-96f4-80e8edc63f3c&amp;cm_type=open&amp;cm_user_email=alipey@gmail.com" width="0" height="0" style="border:0; width:0px; height:0px;"><img class="cm-tracker" src="https://contactmonkey.com/api/v1/tracker?cm_session=3c06ecee-3fe2-4466-96f4-80e8edc63f3c&amp;cm_type=open&amp;cm_user_email=alipey@gmail.com" width="0" height="0" style="border:0; width:0px; height:0px;"><font class="cm-tracker" face="https://contactmonkey.com/api/v1/tracker?cm_session=3c06ecee-3fe2-4466-96f4-80e8edc63f3c&amp;cm_type=open&amp;cm_user_email=alipey@gmail.com" style></font></div>