On 12/13/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
I suppose everyone is familiar with the Nextel feature that behaves a bit like
a walkie-talkie. In summary, you can contact anyone within certian groups in a
half-duplex (meaning only one talks at a time) push-to-talk like environment.

I am familiar with a walkie talkie, but not the Nextel.

I am wondering why you want push-to-talk when you can have VoIP using
SIP or just a normal GSM conversation? Can you elaborate on why?


/Ole

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