interoperability for push-to-talk over cellular (PoC) will fail.
While the Nextel Direct Connect Push-to-Talk (PTT) feature was once restricted to the somewhat separate Nextel brand, it has now been absorbed by the larger Sprint name.
Before Sprint and Nextel became one, Sprint had a few push-to-talk phones.
The merger of Sprint and Nextel brought together the CDMA services of the former with the iDEN push to talk services of the latter.
In late 2004, they amped up what they already offered on their CDMA network, adding in mobile office, push-to-talk, picture messaging, mobile web service, and games and ringtones that their customers could download.
Rounding out the features are Field Force Manager, Rhapsody music support, and Push to Talk messaging.
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