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

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But is it secure? And how about a head-to-head comparo?

cellphonesaretools

Feb 28, 2013, 12:26 AM
I'm wondering if AT&T's EPTT over local WiFi is a secure means of communication. Nextel's iDEN-based PTT was considered to be fairly secure (i.e. not easy at all for others to listen in on conversations), and that was a huge selling point to both private companies and law enforcement users. Does anyone know if AT&T's EPTT is equally as secure when it switches over from AT&T's main networks to a local WiFi spot?

BTW Phonescoop, what about having a head-to-head comparison of PTT performance & features from Sprint, AT&T and Verizon, with Nextel as the baseline to compare all three of the newbies to? Including when an AT&T EPTT customer has no LTE signal and it drops back to 3G signal, same for Sprint & Verizon, how does each perform when in...
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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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