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Following announcements earlier this month from both AT&T and Verizon, T-Mobile announced today it’s introducing Voice over LTE support starting with Seattle. The first three devices to support the new tech include the LG G Flex, Samsung Galaxy Note 3 and Galaxy Light.

So I’m thrilled to congratulate my team on the launch of Voice over LTE (VoLTE) in the Seattle area for our existing LG G Flex and Samsung Galaxy Note 3 and Galaxy Light customers. Our friends at MetroPCS were the first to launch VoLTE in the U.S. back in 2012, and we’ve been working hard on a LTE Advanced version of VoLTE, which we plan to roll out to more T-Mobile customers throughout the coming year.

T-Mobile’s CTO Neville Ray noted that the new technology, which brings voice calls onto the same LTE radio layer previously reserved for data, will allow “faster call setup times (almost twice as fast as a non-VoLTE call setup) and the ability to enjoy lightening fast LTE data speeds while on a call.” It will also support the HD Voice or wide-band audio feature supported lots of newer hardware. Ray explained how the technology works:

VoLTE calls will be carried over IP on our LTE network instead of a circuit-switched path on our 4G HSPA+ network. This is advantageous because your phone stays on our wicked fast LTE network to make a call. The tricky bit in all this is the smooth mobility between our various radio layers. Enhanced Single Radio Voice Call Continuity (eSRVCC) is a new LTE Advanced function and we’re excited to be the first to deploy it in the U.S. All of this basically helps ensure that your capable phone won’t drop a call if you leave an LTE area and it switches to 4G HSPA+ or 2G coverage.

While just the three devices are supported for now, T-Mobile says its “engineering team is working tirelessly to launch VoLTE in additional cities and with more devices while continuing to build out T-Mobile’s Wideband LTE.” 

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One Response to “T-Mobile launches VoLTE in its own backyard w/ support for LG G Flex, Galaxy Note 3, & Galaxy Light”

  1. tijeladeacai says:

    I am in Seattle and I have a Galaxy Note 3. \o/