And if you've ever wanted to seriously used a Wi-Fi network to make voice telephone calls using Voice Over Internet Protocol technology (VOIP), your network will need a feature called QOS or Quality Of Service.
In addition to audio streaming, built-in Bluetooth allows for voice dialing of telephone numbers from most smartphones with the voice-dialing feature.
The only things that make money for telephone carriers are voice services.
Sprint customers could have handsets with two-way radio service and Nextel users would gain the benefits of Sprint data and voice telephone service.
Cablevision began selling its Optimum Voice Internet telephone service in 2003, and while it was slow to take off, it's now got nearly a half-million customers.
Never give money to a faceless voice over the telephone -- even if you have been impressed by his boss' TV commercials.
Data has already overtaken voice on American telephone networks.
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For surfing the web over the telephone, software called a voice browser is required to allow callers to navigate and access data on web pages that have been adapted for voice recognition.
The telephone-equipment companies want voice dialling (useful in cars), automatic call-centres, computerised operator-services and messaging that allows users to pick up and send e-mails and faxes on an ordinary telephone anywhere in the world.
Existing telephone bandwidth was perfectly adequate for voice communications, but became suddenly inadequate when the Internet enabled the global abundance of computers, generating data at megabits a second, to come together into a single, gigantic network.
Verizon said Wednesday that it planned to offer telephone service to those residents though Verizon Voice Link, a wireless technology that will connect to their home telephones, rather than repair the underground cables.
They are just a voice at the other end of a telephone in another city.
That, in turns converts the data back into voice and sends the call down local telephone lines to the recipient in Singapore.
Silent Phone deploys the ZRTP peer-to-peer encryption protocol which is recognized as the leading standard for secure end-to-end communication in a Voice over Internet Protocol (VoIP) telephone call.
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Even more importantly, it means that lucrative voice traffic the service from which telephone companies still make most of their money can be given priority over data.
Mr. Blumenthal mentioned to the president that there were press reports that he, the president, had made telephone calls to Ms. Lewinsky, and had left voice mail messages.
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It works passably well for voice calls, too, which is why Internet telephone companies are giving traditional phone companies fits.
Look at the old mandates that require the firms we used to call telephone companies to maintain their copper-wire phone lines and voice-call switching infrastructure.
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Cable companies are increasingly competing directly with the major telephone carriers, as both industries want to use their own wires to provide voice, data and TV service to homes around the country.
Users download the free application off the Web, but instead of typing a text message, they use a headset, telephone or microphone and speakers to make a high-quality, two-way voice call to anyone else running the application.
Meyer created a communications system that works on any telephone network and can be accessed on any mobile handset, PC or landline phone using voice messages, e-mail or SMS text.
MCI notwithstanding the latter's roots as a telecoms rebel in the 1960s are old-style telephone firms, making much of their money from the slow-growing business of carrying voice calls over long distances.
When it comes to voice services, the regulatory obligation that is now under scrutiny is the duty to provide universal telephone service over the old copper network.
Internet telephone services like Skype and Vonage are starting to look less like digital gimmicks and more like the next generation of voice communication.
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