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 |  | Yahoo! Voice

Making free, worldwide PC-to-PC calls is easy. You and the person you call both need Yahoo! Messenger with Voice, plus a microphone and speakers (or headset.)

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 |  | iConnectHere

iConnectHere offers high-quality Internet telephony solutions which have become viable and cost-effective alternatives to traditional telephone calling.

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 |  | eFonica

You can use efonica FREE with or without a PC! Imagine free calling without being chained to your computer! efonica members can call each other using any combination of devices – our simple yet sophisticated softphone, IP-phones or any SIP-enabled device, and even regular telephones (adapter required).

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 |  | Skype
 Skype is free Internet phone that just works. With SkypeOut you can call anyone anywhere in the world at local rates.

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 |  | Google Talk
 Google Talk is free software which allows users make web calls and send messages. This Windows software makes web phone calls easy. Voice calls are connected using your PC using the advanced voice technology.

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 |  | Net2Phone
 Download Now -- Get your FREE calling software. Make low cost calls to any phone in the world... right from your computer.

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 |  | WebPhone
 WebPhone is a voice over Internet Protocol (VoIP) service that helps you lower your phone bills. Make your calls with WebPhone and you will save money because of our low rates.

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 |  | Nikotel
 The Best Free Softphone A FREE premium SIP softphone with many PBX-like features. Open standards-based design allows for maximum network interoperation and integration. For both Mac OS X and Windows users.

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 |  | PC Call
 PCCall is a pc to phone service, designed to save you money by communicating over the Internet. Anyone with a basic computer & Internet connection can call virtually any regular telephone in the world! PCCall can save you up to 98% on long distance!

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 |  | PC-Telephone.com
 PC-Telephone turns your computer into Internet telephone, ISDN telephone, fax machine, answer phone, voicemail, file transfer and much more.

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 |  | Go2Call
 Go2Call is a global leader in Internet calling that delivers high quality, low-cost PC-to-phone calling. Go2Call has carried more than 100 million minutes of international VoIP phone calls.

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 |  | Paltalk
 PalTalk is the next generation instant messenger integrating voice, video and file sharing into one neat package. Fast download and ease of use makes PalTalk the #1choice for internet savvy users.

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 |  | CallServe
 Enables telephone calls from your PC over the Internet to anywhere in the World at the most competitive rates available. Home users can save up to 85% on long distance calls.

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 |  | DialPad
 Dialpad has become one of the world's largest providers of IP based telecommunications services and a key player in the fast growing IP Telephony market. In June of 2005 Dialpad officially become part of the Yahoo! family.

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 |  | SunRocket
 UPDATE: SunRocket is in the process of discontinuing its operations.

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