From CommuniGate Systems:
The CommuniGate Fax module is standalone or networkable fax software featuring multiline processing, priority scheduling/rescheduling, send-and-receive options, automatic cover page creation, call grouping, prefix/suffix/calling card support and call blocking. Use the Fax module in conjunction with the
Voice module for fax-on-demand and fax-back capabilities. The Fax module allows your to send fax messages from the CommuniGate environment or directly from any application, using the FaxSender printer driver. The Fax module also works as an e-mail-to-fax gateway, allowing faxing over the Internet.