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T-Mobile Activates VoLTE Network in Seattle

by Todd Haselton | May 22, 2014May 22, 2014 1:30 pm PST


T-Mobile announced on Thursday that it has officially activated its voice-over-LTE (VoLTE) network in Seattle. The news follows a similar announcement from AT&T, which is activating VoLTE service in select markets tomorrow, May 23. T-Mobile said that the move to VoLTE is a huge milestone in the progression of its network, and that VoLTE will still include the “HD Voice” calls that it already offers nationwide.

T-Mobile’s chief technology officer Neville Ray explained some of the benefits in a blog post Thursday. ”┬áCustomer benefits include 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,” he explained. AT&T and T-Mobile already allow for data transfers while on a call, but this moves the voice calls from the older HSPA+ network to a newer LTE network. Instead of being routed through a circuit switcher, calls are carried over IP, Neville explained. When LTE isn’t available, calls will then automatically route back over HSPA+ networks.

T-Mobile already has a few devices that support VoLTE and, after a quick software update, you can test the service for yourself in Seattle. Supported handsets include the┬áLG G Flex, the Samsung Galaxy Note 3 and the Samsung Galaxy Light. If you’re in T-Mobile’s VoLTE market, give it a test and let us know if you can tell the difference.


Todd Haselton

Todd Haselton has been writing professionally since 2006 during his undergraduate days at Lehigh University. He started out as an intern with...