This report did not examine the incidence of poor audio quality with voice calls.
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Besides regular voice calls, there will be point-to-point video calls and multi-person video conferencing, for example.
No more than 10 years ago the mobile was purely a device for making voice calls.
Many subscribers in Europe and Japan do use their handsets for more than voice calls.
Movies and files of almost any size will be as accessible as voice calls and e-mail are today.
In the next decade, most voice calls will switch to mobile networks as prices fall and coverage spreads.
By 1980 carriers used fiber to carry data and voice calls as optical signals in the form of photons.
Oddly, I found the sound via headphones to be too soft in some cases, though voice calls were clear.
The iPhone, along with some competitors like the BlackBerry, are really hand-held computers that happen to make voice calls.
U.S. wireless carriers are working on a new way to deliver voice calls to make their networks more efficient.
WSJ: U.S. Wireless Carriers Move to New Technology��For Voice
Allowing jousting matches or bullfights in airplane aisles wouldn't be much more disruptive than allowing voice calls on planes.
For consumers the promise of fat, fully optical pipes will one day render video calls as mundane as voice calls.
Naturally, many are wondering when they'll be able to stop relying on the (relatively) archaic 1xCDMA technology for voice calls.
It works passably well for voice calls, too, which is why Internet telephone companies are giving traditional phone companies fits.
Instead, it works on the 1.8GHz band, which is still being used for voice calls by most operators in Europe.
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When I travel I studiously avoid making and receiving voice calls over the public switched network because of the costs.
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What VOIP is doing is making voice calls something that makes more sense as a part of that standing charge.
The messaging app already allowed for free voice calls over Wi-Fi, but in BB10 it's adding a FaceTime-like video-chatting feature.
The technology is there for voice calls, and it's up to the airlines to decide whether or not to deploy it.
From today, Orange customers in Romania and Moldova will be able to enjoy HD quality voice calls between the two countries.
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After building out its Messenger app to focus on communications, Facebook is now focusing on voice calls and voice messages.
But the debut of Places and Voice Calls means they now do and Facebook and Google will try to exploit that fact.
Meanwhile, revenue from voice calls, which take up far less bandwidth than, say, watching a YouTube clip, has been declining for years.
Voice calls placed on any of these U.S. carriers while roaming in Canada are the same price for in-Canada or Canada-to-U.S. numbers.
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This is particularly true as cellular chips become cheaper to integrate and headsets and speakerphones can always improve the ergonomics of placing voice calls.
For the user whom this handset is aimed at young, fashion-conscious, keen on text-messaging and music the ability to make voice calls is almost an afterthought.
Another disincentive to investment is the threat data traffic poses to the industry's cash cows voice calls and text messages which still generate 85% of revenues.
The system stores incoming texts, e-mails and voice calls in a central database and spits out messages or alerts to the same variety of devices.
To cloak the voice calls, the NSA uses two independent layers of encryption, one at the VoIP layer, and the other at the VPN layer.
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The delivery of voice calls using VoLTE is similar to the voice over IP, or VOIP, phone services offered by many cable and Internet-service providers.
WSJ: U.S. Wireless Carriers Move to New Technology��for Voice
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