VoIP

An open source telephony switching and private branch exchange service. Allows peer-peer calling using a variety of voice over internet protocols.

http://www.asterisk.org/

PageRank: 0/10

VoIP provider offers full feature set with voice mail, caller ID, etc. Requires supplied broadband phone adapter.

http://www.broadvoice.com/

PageRank: 0/10

Pre-paid VOIP services. H.323 IP phone, gateway, gatekeeper, NetMeeting or any other H.323 compliant terminal necessary.

http://www.calldaddy.com/

PageRank: 0/10

A full featured VoIP/broadband phone to phone service primarily for calls within the US.

http://www.calleveryone.com/

PageRank: 0/10