BlackBerry Messenger
BlackBerry Messenger (BBM) is a proprietary Instant Messenger application included on BlackBerry devices. It was developed by Research In Motion (RIM), maker of the BlackBerry device. Messages sent via Blackberry Messenger are sent over the BlackBerry PIN system; thus, communication is only possible between two BlackBerry devices. Exchanging messages is also possible via dedicated discussion or chat groups, which allow multiple BlackBerry devices to communicate in a single session. In addition to offering text-based instant messages, BlackBerry Messenger also allows users to send pictures, voicenotes (audio recordings), files, location on a map, and a wide selection of emoticons (also known as "smileys") over the Blackberry network. Blackberry messenger allows you easy access to keeping in touch with friends by instant messaging, and you can create a profile that can be updated as much as you want sort of like a social network on your mobile phone. With the release of BlackBerry Messenger 5.0, BlackBerry allows users to use a QR Code barcode to add each other to their respective friends lists rather than using only numeric PIN identification or an email address associated with the user's BlackBerry.
iPhone
The iPhone (pronounced /ˈaɪ.foʊn/ EYE-fohn) is a line of Internet and multimedia-enabled smartphones designed and marketed by Apple Inc. The first iPhone was introduced on January 9, 2007.
The iPhone allows audio conferencing, call holding, call merging, caller ID, and integration with other cellular network features and iPhone functions. For example, if music is playing when a call is received, the music fades out, and fades back in when the call has ended. The proximity sensor shuts off the screen and touch-sensitive circuitry when the iPhone is brought close to the face, both to save battery and prevent unintentional touches. The iPhone does not support video calling or videoconferencing on versions prior to the 4th generation, as there is only one camera on the opposite side of the screen. The iPhone 4 supports video calling using either the front or back camera over wi-fi, a feature Apple calls "Facetime". The first two models only support voice dialing through third party applications. Voice control, available only on the iPhone 3GS, allows users to say a contact's name or number and the iPhone will dial.
The iPhone allows audio conferencing, call holding, call merging, caller ID, and integration with other cellular network features and iPhone functions. For example, if music is playing when a call is received, the music fades out, and fades back in when the call has ended. The proximity sensor shuts off the screen and touch-sensitive circuitry when the iPhone is brought close to the face, both to save battery and prevent unintentional touches. The iPhone does not support video calling or videoconferencing on versions prior to the 4th generation, as there is only one camera on the opposite side of the screen. The iPhone 4 supports video calling using either the front or back camera over wi-fi, a feature Apple calls "Facetime". The first two models only support voice dialing through third party applications. Voice control, available only on the iPhone 3GS, allows users to say a contact's name or number and the iPhone will dial.
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