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4G and iPhone in India: Everything you need to know

Here's what iPhone customers—and potential iPhone customers—need to know about the state of 4G in India.

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Understanding 4G in the UK: Everything you need to know

Everyone knows 4G comes after 3G. It's faster, better, not to mention more expensive. But "4G" can refer to a bunch of different things, and the various UK operators use 4G in different ways to offer different features to customers.

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U.S. Cellular to begin testing VoLTE this year in select markets

Voice over LTE (VoLTE) appears to be the hot new item that all the carriers are looking to implement, and it looks like U.S. Cellular will soon be testing the technology itself. CEO Ken Meyers recently confirmed that the carrier will begin testing VoLTE in a few markets starting this year.

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iPhone 6 and 6 Plus owners are causing a surge in US VoLTE network usage

A new report shows that owners of Apple's iPhone 6 and iPhone 6 Plus are creating a surge in activity on US VoLTE networks for voice calls, while also causing their use of 3G networks to drop by as much as one-fifth compared to older iPhones.

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AT&T and Verizon to connect cross-carrier VoLTE calls by 2015

Soon customers on AT&T and Verizon will be able to call each other with HD voice quality thanks to a partnership that will bring cross-carrier compatibility to each network's Voice over LTE (VoLTE) service. Currently, the higher quality HD voice benefits of VoLTE calls are limited to customers who are in a VoLTE network and who own a VoLTE compatible device where the calls are made to another customer on the same network.

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Verizon preparing to finally launch VoLTE in the coming weeks

Verizon Wireless today announced that VoLTE (Voice over LTE) will be available on the network nationwide in the coming weeks. Customers with the US mobile operator will soon be able to make higher quality calls (and video calls) with other subscribers on the same network with compatible 4G smartphones. The plan is to slowly roll out the upgrades across the board to compete alongside AT&T and others, using LTE for not only super-charged data but also higher quality calls.

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EE to begin trialing calls over Wi-Fi in the UK, 4G support coming in 2015

UK mobile operator EE has today announced trials for calls to be held over Wi-Fi will commence later this year. The trial is part of a £275 million investment in advanced voice capabilities, helping connect more rural parts of the UK who don't have the strongest levels of signal with EE. Launching the trial later this year, EE has also upgraded both 2G and 3G sites to handle the increased data usage across the network and make way for 4G calling services to launch in 2015.

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Verizon to flip the switch on nationwide HD Voice VoLTE in a few months

Verizon has just announced their plans to start rolling out voice over LTE, also known as HD Voice and VoLTE. The system should be rolling out over the next couple of months, and enable high-quality audio calling provided both users are in an area with a VoLTE network and are using supporting handsets. They'll be using AMR-wideband to deploy HD Voice. Verizon promises this upgrade will also include the ability to instantly hand off to a video call, and will eventually lead to improved file transfer size, group messaging, and location sharing.

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AT&T once again says HD Voice, VoLTE coming later this year

Speaking at the VentureBeat Mobile Summit, AT&T senior VP Kris Rinne once again said wideband audio, also known as HD Voice, would be coming to the network sometime in 2013. Ina Fried at AllThingsD reports:

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