AT&T is doubling the number of business users who participate in its free program previewing its Enhanced Push to Talk feature. In addition, AT&T expects to offer a choice of as many as five compatible smartphones
, including multiple devices from Samsung, when Enhanced PTT is commercially available later this year.

AT&T offers a basic PTT service but expects to launch its Enhanced PTT solution - with improved performance, features and device choices - in late 2012.

At a time when other carriers are phasing out PTT networks, AT&T says, its goal is to give customers the type of communication service they need for instant group communications, backed by 4G technology and a broad portfolio of devices and business applications.

"We've heard what our customers are asking for -- an enhanced PTT solution that offers great performance, advanced features, integration with mobile apps and interoperability with radio systems," says Chris Hill, vice president, Advanced Mobility Solutions, AT&T Business and Home Solutions.

To learn more about AT&T Enhanced PTT can go to www.enhancedptt.comE.

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