Hi,<br><br>I recently configured T.38 on Asterisk 10.4.2. When I send the fax to Asterisk, it gives the errors as listed below;<br><br> WARNING[25986]: app_fax.c:442 transmit_audio: channel 'SIP/192.168.1.69-00000000' refused to negotiate T.38<br>
WARNING[25986]: app_fax.c:174 span_message: WARNING T.30 ECM carrier not found<br><br>As in sip.conf the configuration is listed below;<br><br>t38pt_udptl = yes,fec,maxdatagram=400<br>faxdetect = t38<br><br>And the rest are the standard configuration.<br>
<br>Please advise to resolve this issue.<br clear="all"><br>-- <br>Regards,<br><br>Ahmed Munir Chohan<br><br><br>