A total of 46 patents were approved Tuesday, but whether the technologies will find their way into an Apple product remains to be seen.
With a standard chat layout, you can send voice messages, photos, and texts.
The carrier's new iPhone app allows business users to communicate with large groups of people via a Wi-Fi or cellular connection.
The walkie-talkie ease of push-to-talk meets modern smartphones in Verizon's rebooted service for business.
Miss the days of walkie-talkies being useful because people weren't so far apart? This app will bring that same functionality to your Android or iPhone.
It's a rugged, straightforward phone with push-to-talk capabilities and resistance to dust, vibration, and shock.
The durable Samsung Convoy gets an update with the Convoy 2, including an fresher design for the military-specced handset.
The Kyocera DuraMax and DuraCore will offer push-talk service in rugged flip phone designs. The handsets are due in the fourth quarter of this year.
Push-to-talk turns your phone into a walkie-talkie, and so we hid behind a potted plant and tried it out on the ruggedised Mobile Tornado BB3G phone
Samsung and AT&T come together to announce the SGH-a657, a sturdy phone with push-to-talk abilities.