AT&T to Launch VoLTE-Based HD Voice Service May 23

Posted by at 5:21 pm on May 18, 2014

AT&T has announced the limited launch of HD Voice service in select markets around the country beginning on May 23.

AT&T’s HD Voice service uses VoLTE to pass high-definition calls through its LTE data network rather than its voice network. To start, the only device capable of delivering HD Voice calls is the Samsung Galaxy S4 mini, though AT&T says more devices will follow shortly.

AT&T provided few details about the requirements of the service, such as whether or not both devices need to be HD Voice-compatible and located in markets that support HD Voice. Nor did AT&T say if it will charge extra for HD Voice service. AT&T did say that its network can support concurrent use of HD Voice and LTE 4G data, so customers will be able to surf while they talk. HD Voice will first be available in select areas of Illinois, Indiana, Minnesota, and Wisconsin. AT&T will add more markets over time.

AT&T’s web site lists the Galaxy S4 mini as “coming soon,” though AT&T told Phone Scoop the device will be available when the service goes live on the 23rd.

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