[help] How to detect fax tone on E1?

Hello Everyone,

Now, I config faxdetect=both and faxdetect=outgoing in zapata.conf already, but I use manager API to order asterisk call out to XXX when XXX answer then asterisk can not detect fax tone and switch itself to exten => fax,1,XXXXXX . Who do you tell me what 's happen and How to detect fax tone on E1. I use sangoma card A102 config on Asterisk@Home 2.2.

                                                          Thanks Advance.