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tmobileT-Mobile customers in Seattle now have a new, fast way to make phone calls. In a blog post today, T-Mobile CTO Neville Ray announced that the company is bringing Voice over LTE (VoLTE) to customers in the Emerald City who own a LG G Flex, Samsung Galaxy Note 3 or Galaxy Light.

Users in other cities can expect the new service sooner rather than later. Ray wrote that T-Mobile’s engineering team is working hard to launch the capability in other cities soon. Ray also said that the company is working on releasing more new features for voice calling, including Wi-Fi calling, in the near future.

The new technology provides faster call setup times, and clearer voice quality. Calls will be made over IP using LTE, rather than the company’s 4G HSPA+ network, which means that people who want to browse during a phone call will get faster data service. In addition, the company is using technology that ensures a phone using VoLTE will fall back onto T-Mobile’s 4G or 2G network, in the event it loses LTE connectivity.

It’s another boost for the company’s LTE network, which T-Mobile claims is the fastest in the country, based on crowdsourced testing data. The VoLTE upgrade could also help the Bellevue-based carrier improve the quality of its voice calls.

The news comes shortly after Verizon announced that it’s bringing its new XLTE service to Seattle and more than half of its other nationwide LTE markets, which promises users faster data speeds.

T-Mobile users with a compatible device interested in taking advantage of the new service can do so by installing a new software update. To get it, go to Settings > General > About Device.

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