The test results you have selected are very old and may not represent the current state of Wine.
Selected Test Results (selected in 'Test Results' table below)
application, it starts
What does not
options form (application hangs)
connection to server does not work
calling does not work
What was not tested
anything connected with communicating
The only alternative for software like that under *nix is Ekiga (which runs ok with the Nonoh SIP account configured). Still Nonoh shows you the amount of money you have left, it has a good contact list, sms sending form and redirect capabilities.
The application starts and you can see the main window (in wine