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AT&T Adds Wi-Fi Support to Its Enhanced PTT Service

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Replying to:  But is it secure? And how about a head-to-head comparo? by cellphonesaretools   Feb 28, 2013, 12:26 AM

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by jrfdsf    Feb 28, 2013, 5:37 PM

A head-to-head would be interesting. I can tell you that in my area, Sprint QChat is as fast and reliable. The only downside is a QChat session still ties up the phoneline like Direct Connect.

My guess is you don't miss regular or PTT calls with AT&T's system. If Sprint was looking to upgrade, you'd think that feature would be a must. Below is a breakdown of what calls you'd miss while doing other things on the phone:

-Active data session: Cellular calls
-PTT session: Cellular calls
-Cellular calls: PTT calls (IMs and MMSs are delayed)

Maybe when Nextel becomes 4G LTE, these issues will be resolved on future handsets.

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