[Freeswitch-dev] How to check the "fax_result_code" in the script? such as php script?

Hi Buddies, Reviewed the wiki, https://wiki.freeswitch.org/wiki/Mod_spandsp How to check the "fax_result_code" in the php script? Also other result info, such as fax_result_text, then could provide more detail response info to the client. Thanks! 2014-03-03 sparklezou