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First, some clarification. “Mission-Critical Push-To-Talk” (MCPTT) is the form of Push-To-Talk (PTT) the 3GPP standards body developed in accordance with its PTT standard. However, networks, including FirstNet (Built with AT&T), are not using the term “mission-critical.” I seem to have confused some readers last week and I have been fielding questions about Motorola’s new offering, which, according to Motorola, will be fully-compliant with the 3GPP standard except it does not support off-network communications (ProSe).
Samsung developed the first PTT to meet the 3GPP standard and it is being offered on FirstNet as “FirstNet PTT.” Motorola’s offering will be the second 3GPP-compliant PTT application available on FirstNet. While it meets the 3GPP PTT standard, it will not use the term “mission-critical” either…
