Using a headset and a webcam to make phone calls is easy, interactive, and even free, thanks to VoIP. In this month's cover story, we'll help you choose a VoIP softphone, and we'll show you how to configure your own Asterisk exchange server.
If you want advanced features without the expense, try a VoIP phone system. We’ll show you how to configure your own Asterisk telephone exchange server.
Look here for archived tutorials and talks from USENIX Security '08. Each comprises a video and recorded presentation slides which are shown parallel to the talk.
