​On 15 October, ESChat announced the launch of its broadband push-to-talk service on the T-Mobile network, which is now being offered to the mobile network operator’s business and government customers without interoperability restrictions.

This means that ESChat customers on T-Mobile can communicate with other ESChat users on any other wireless network, without the need for hardware gateways or special software versions. T-Mobile PTT users can also communicate while using Wi-Fi or while roaming abroad. The ESChat/T-Mobile PTT service was soft-launched six months ago.

The PTT service is priced at $5/month and includes secure push-to-talk, live location tracking and mapping, and secure group multimedia messaging. It supports Android and iOS smartphones, a limited selection of 'basic' phones, and Windows PCs. As all the components of the ESChat ecosystem are available to T-Mobile customers, they also have access to Land Mobile Radio (LMR) integration using RoIP (radio over IP), ISSI (P25 inter radio frequency subsystem interface) and AIS (application interface specification) interfaces, mission-critical call recording/logging using SIPREC (SIP Recording) or span-port interfaces, and computer-aided dispatch (CAD) and Console interfaces using CSSI (console subsystem interface) and AIS.

"We are very pleased to be T-Mobile's technology partner as they enter the Push-to-Talk market," said Judy King, director of sales, ESChat. "The combination of ESChat's experience and widespread adoption throughout North America, along with T-Mobile's Un-Carrier approach will create a carrier PTT offering that is unique in the US marketplace. T-Mobile has already experienced market success during their soft launch across numerous market verticals, and we look forward to continued growth with general availability".

Author: Sam Fenwick