Veja como usar o RedPhone, app que permite fazer ligações de graçahttp://glo.bo/1sDqUZ5
Replying to @TechTudo
@TechTudo Thanks for the article! The same app is available for iPhone, but called 'Signal.' https://itunes.apple.com/us/app/signal-private-messenger/id874139669 …
11:15 AM - 29 Oct 2014
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