Voxer Gives Push-to-Talk a Multimedia Makeover

Voxer Pro Business turns your smartphone into a walkie-talkie. Smartphone walkie-talkies are not new, of course -- Nextel, which got swallowed by Sprint, used to offer a unique push-to-talk, or PTT, walkie-talkie cellphone feature called "Direct Connect." Nextel's simulated half-duplexing service mimicked walkie-talkies but ran over spectrum similar to that used by cell networks.

Source: http://www.technewsworld.com/rsstory/78729.html

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