Blackberry Messenger

BlackBerry Messenger (BBM) is a proprietary Internet-based instant messenger and videotelephony application included on BlackBerry devices that allows messaging and voicecalls between BlackBerry, iOS and Android users. Users on Blackberry 10 can also use videocalling. It was developed by the manufacturer of the BlackBerry, BlackBerry Limited (formerly known as Research In Motion Limited (RIM)). Messages sent via BlackBerry Messenger are sent over the Internet and use the BlackBerry PIN system, communication was only possible between BlackBerry devices until late 2013 when BBM was released on iOS and Android systems.
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