app_rxfax.c, app_txfax.c and apps_makefile.patch files

Asterisk Asterisk General
1

Hi:
I want to receive fax.I’ve installed asterisk 1.2.24 and spandsp -0.0.2pre26 and tiff-3.7.1 .Now,I need app_rxfax.c, app_txfax.c and apps_makefile.patch files.Where can I download them?
Regards.

2

I can’t find app_rxfax.c, app_txfax.c and apps_makefile.patch files.
I’d appreciate any help.