yet another fantasy idea: nextel-like walkie talkie feature?

David Schlesinger David.Schlesinger at
Thu Dec 14 16:03:46 CET 2006

Push-to-talk, at least the version currently marketed by Sprint/Nextel on cellphones, is based on Motorola's proprietary iDEN network; I don't know that there's a great deal of information available on using iDEN, plus it'd require a dedicated additional network stack beyond GSM...

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