Zello Walkie Talkie is a push to talk application that transforms any smartphone or tablet device into a walkie-talkie. Using it is very easy and simple because its user interface is very clear and understandable. For personal usage, it bears no cost at all. At the moment, it is available for all leading mobile operating systems and PC platforms. It is in fact based on the radio-style communication system. As pointed out by Zello CEO Bil Moore, “Radio-style communication can be efficient, and it’s such a great way to organize…
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