Shtoom is a open-source, cross-platform VoIP softphone, implemented
in Python. As well as the basic phone, the package also includes a
number of other applications -

• shtoomphone - the end-user phone


• doug - a framework for writing server-side voip applications.

• shtam - a simple answering machine/voicemail application


• shmessage - an announcement server


• shtoomcu - a simple conferencing server

Shtoom works on Windows, Linux/Unix and Mac OS X. The phone has a
number of user interfaces - Qt/KDE, Gtk/GNOME, wxWidgets, Cocoa (OS X),
Tk and a command line.

The phone has audio support on Linux using OSS or ALSA, on OS X using
native CoreAudio, and on all other platforms using the PortAudio library.
A native sound drivers for Windows has been implemented as part of
Pythonwin, and needs to be hooked up.

Shtoom requires Python 2.3 or later, and Twisted 1.3 or later.