Dialpad Communications - the Internet's best phone call
Offers monthly billing and pre-paid PC-to-Phone VoIP services. Also supports
broadband telephone adapter for use without PC.
Vonage - Leading the Internet Phone Revolution
Provides voice over internet local dial-tone service. No PC required. Uses analog
telephone with broadband telephone adapter.
Internet 800 Directory - Directory of free toll free (tollfree ...
Toll free listings of businesses by company, number, location and product or service.
Internet Phone Calls - Callserve
PC-to-Phone service for outbound calls only. Software download required.
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Net2Phone -- Communication without borders
Voice calls from your PC to any phone.
AT&T: Directory: Directory Assistance
Offers residential, business, toll free, and reverse number lookup.
iConnectHere: Internet Phone, Broadband Phone, PC-to-Phone
Offers VoIP-based PC-to-Phone, Broadband Phone and Calling Card services.
1888usa - Free VoIP Phone Service, Free Phone Line, Free Callback ...
Lists free fax and phone resources on the web.
SIPphone - Call worldwide over your Internet connection with any phone
Peer-peer calling service. Requires SIP adaptor and phone.