I'd like to develop an application capable of placing calls using a FAX Modem. Since I am a java programmer, I'd like to do it using Java or maybe JNA.
I found some documentation about Windows TAPI api but I don't know any C++ and Window programming is quite hard to learn.
If you want to send/receive faxes, see RFax here: http://www.java4less.com/RFax_help.html
It looks really simple to use. The following few lines of code is enough, for instace, for sending fax: