

Its PTToC capabilities are based on the ESChat framework that offers a wide range of gateway support to Project 25 and other legacy land mobile radio systems. T-Mobile: T-Mobile has no 3GPP MC-PTT offer.Verizon will need to bridge the two service offers. Unfortunately, the capability does not extend to Verizon's Push-to-Responder service for 3GPP MC-PTT clients. Verizon: The recently announced Group First Response offer enables smartphones equipped with the Motorola Solutions client to connect into Motorola's Critical Connect hosted service.But Critical Connect does just that with support for FirstNet, AT&T EPTT, and Verizon Group Response. Dilutes the FirstNet argument for zero interoperability with other MC-PTT systems: FirstNet has famously rejected moves to allow a mixture of critical communications users hosted on different service providers.Verizon is limited to Motorola's proprietary clients. With this announcement, FirstNet goes beyond the Verizon offer to include 3GPP MC-PTT clients. An answer to Verizon's support for Kodiak Network's Critical Connect: The announcement by Verizon that it will support Motorola's Critical Connect as a gateway to LMR created pressure on AT&T to match the capability.By providing links from its standards-based PTToC offer to systems attached via the Motorola Solutions Critical Connect platform, FirstNet immediately gains sweeping interoperability prospects with legacy Project 25 systems. Stronger interoperability story: The move helps buttress FirstNet's claim as an interoperability solution for public safety agencies.FirstNet Messaging: Group notification and messaging.
PTT ATT SOFTWARE

The latest round of periodic FirstNet service and product updates brings a future option for agencies considering mission-critical push-to-talk (MCPTT). FirstNet prepares to marry its 3GPP mission-critical push-to-talk to Motorola Solution's Critical Connectġ1 September 2021: Analysis revised to reflect updated information supplied by AT&T executives.
