Nostalgic for that Nextel push-to-talk capability? Sprint brings the feature back through a free app that works with select Android phones, including the Samsung Galaxy S4 and LG G2.
Voxer Walkie-Talkie is an excellent communications app with all the tools you need to get in touch quickly.
With a standard chat layout, you can send voice messages, photos, and texts.
Recycled cell phones get a fashionable new lease on life as they're embedded into the soles of high heels, Wellington boots, running shoes, and men's dress shoes.
AT&T launches a trial program to test out its enhanced push-to-talk feature for mobile field service workers.
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.
Web forums may be seen by some as an aging Web technology, but products like Tal.ki are pushing them into new territories.
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
Start-up tries to bring mesh networking to cell carriers. Also walkie-talkies, light wave data transmission, and radio wave energy harvesting.
'Voice tones' can be downloaded onto cell phones in theater lobbies for free.