Hold the phone: Voice over Internet Protocol (VoIP) providers are worried that the U.S Federal Communications Commission might be about to saddle them with some potentially damaging regulation.

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Why must carriers slowly wean themselves from traditional phone networks before moving to Internet Protocol technology?

CNN: Lucent's IP fever

Today he's excited about voice-over internet protocol (VoIP), also known as web phone service.

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With bulked-up networks, they have poached millions of phone companies' subscribers with cheap voice-over-Internet Protocol plans and sell faster Internet lines than the telcos' digital subscriber line services.

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The company in October will launch a hybrid voice-over-Internet Protocol (VoIP) service that it says combines the low cost of Internet phone calls with the reliability of traditional phone lines.

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But voice-over-Internet Protocol services are starting to catch on as consumers get used to the idea of making phone calls over the Internet.

FORBES: Cable Finds Its Voice

Mobile phone companies are now required to register all SIM cards and allocate unique internet protocol addresses to all the phones on their networks, to make it easier to track down culprits.

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