Receive a FAX and save as a TIFF/F file.
This application is provided by res_fax, which is a FAX technology agnostic module that utilizes FAX technology resource modules to complete a FAX transmission.
Session arguments can be set by the FAXOPT function and to check results of the ReceiveFax() application.
d- Enable FAX debugging.
f- Allow audio fallback FAX transfer on T.38 capable channels.
s- Send progress Manager events (overrides statusevents setting in res_fax.conf).
This documentation was imported from Asterisk version SVN-branch-1.8-r312509.