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Last week, several readers pointed out that cloud-based interoperability might not always be best for network-to-network and network-to-Land Mobile Radio (LMR) Push-To-Talk (PTT) interoperability. For example, one reader suggested Los Angeles County (Los Angeles Regional Interoperable Communications System, LA-RICS) and the Los Angeles City Police Department, which are using cloud-based interoperability between them, would be better served if they used direct interconnectivity instead of relying on a remote cloud. I agree, and I should have mentioned that one major vendor could become the only FirstNet-to-LMR interoperability provider. I also neglected to talk about my fear that even if this vendor’s PTT will interoperate with other already-certified FirstNet PTTs, there will be pricing discrepancies between this vendor and other push-to-talk providers that have already amassed a large number of FirstNet/LMR-integrated customers…
