Request suggestion for Enterprise Fax Server for CentOS 4.2

[sanjay.k.arora at gmail.com (Sanjay Arora)]

List:

Please suggest fax server software for Corporate use with
CentOS...requirements...centralized, multiple modems, if required,
scriptable for pre/post fax actions with perl/shell scripts, if possible
compatible for faxing from open office and maybe M$ Windoz. Most
necessary open source, free, being actively maintained & active mailing
list.

Best regards.
Sanjay.