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Originally Posted by Philip Colmer
On the issue of what is required for DirectPush ... you definitely need GPRS. If you turn off the mobile phone part, ActiveSync says that the current schedule requires a cellular connection. That said, I'm still not convinced that it continues to use GPRS for the actual data transfer. I still think it uses GPRS for the HTTPS connection and then the active Internet connection for the normal ActiveSync transfer.
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This can't quite be accurate, because Server/Exchange ActiveSync is done
entirely over HTTPS.
The question is if EAS can use
two HTTPS connections -- one over GPRS for notification, and one over WiFi to actually perform the sync. I'm guessing no, and that the icons are wrong.
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I can, though, envisage some problems with staff who have been used to using BBs until now. I don't, for example, like the fact that the device occasionally pops up a notification window saying that it is connecting to GPRS. I think it ought to do this in the background, silently. Blackberrys seem to.
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I think this is a device-specific thing. The Treo won't show the dialing window.
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Also, I've had a pop-up saying that it can't get an IP address (or something like that). I assume that is when I've driven home and, when I've got home, the phone has lost the mobile signal and is complaining. Again, Blackberrys seem to just handle this quietly.
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And again, the Treo does this silently as well. I think MS gives too much flexibility to the OEMs in this regard. :?
--janak