AT&T Adds Wi-Fi Support to Its Enhanced PTT Service
But is it secure? And how about a head-to-head comparo?
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...
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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