AT&T Pushes into Push-to-Talk on iPhone 5/4S

AT&T Enhanced Push-to-Talk (EPTT)  through an app for iPhone 5 and iPhone 4S, is the first push-to-talk iPhone service from a national carrier for business customers.

 Features of the service include:

  • Larger contact lists and talk groups than competitive push-to-talk solutions.
  • Ability to combine push-to-talk services and mobile applications.
  • Supervisory override that allows supervisors to communicate important time sensitive messages to their team.
  • Call setup in less than one second.

AT&T Enhanced Push-to-Talk can be used over Wi-Fi, giving U.S.-based customers improved in-building coverage and access to the service via compatible Wi-Fi networks.  It also works over AT&T's LTE network.

IDC analyst John Weber recently wrote, “The performance of AT&T’s EPTT service was comparable to traditional mobile voice services,” and that, “With many mobile workers working within the four walls of the enterprise, building in Wi-Fi functionality is an important element to consider.”