Cheap voice is no longer as compelling as it once was, so voice over Internet Protocol companies are turning up the volume on software integration.
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Internet phone service unleashes beta of its software that promises BlackBerry users cheap international calls to 33 countries.
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Can AT&T be happy that Apple added VoIP to its App Store, and could cheap Internet voice be the killer app customers have been salivating over?
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VoIP security firm gets new funding as investors stay the course with a turbulent Internet phone market.
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Internet voice service provider hits VC jackpot despite SunRocket's demise and Vonage's meltdown.
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VoIP upstart adds business users to its target market, which once featured grandmothers.
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U.K. startup offers free VoIP calls via mobile phone and receives first funding round.
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