Functionality similar to a Walkie-Talkie has also been duplicated on cell phones, in the form of a service called Push-To-Talk (PTT).

Sprint surprised quite a few folks in the industry when it revealed its entire upcoming lineup of CDMA Direct Connect PTT (push-to-talk) phones here at CTIA. People knew a few of them were coming ...

8,000 employees at Ford Motor Co. are giving up those old landline phones for Sprint's Ready Link service. Ford's product development unit will be the first to use the walkie-talkie style ...