After attending a great presentation on Linux and VoIP at MUUG last night, I have Free World Dialup a try. It’s a public SIP registrar that you can use, includes voice mail and other goodies.

If you’re on the system, I’m at 269423, or 269423@fwd.pulver.com for other SIP clients.

While toll bypass has become less and less of a selling point for VoIP, some of the other PBX type features of this, and projects like Asterisk really show off the advantages of VoIP over traditional TDM gear.