le business productivity tool. As they have continued to evolve, mobile networks, handsets, accessories (yes, accessories DO matter) and software have matured from simple voice solutions to fully capable broadband IP infrastructures that can support mobile applications-including Voice over IP (VoIP), Multimedia Messaging (MM), Instant Messaging (IM) and interactive, real-time streaming video communication with the same utility and convenience consumers presently enjoy voice, voicemail and SMS. In order to take advantage of all the 3G-enable carrier services, mobile devices from a growing array of manufacturers and various OS-es support powerful new mobile software (PacketVideo, Goodmood, Extended Systems, etc) that will doubtless impact the way business is done-and will drive the need for reliable, hi bandwidth connections (3G, WiFi, WiMax) services around the globe. Mobile phone-based videoconferencing products include numerous video-ready 3G Smartphones and Mediaphones that utilize wireless broadband connections. Complete mobile videoconferencing solutions are already widespread in Japan and areas of Asia and have been introduced into Europe and most recently the US market. Japanese carrier NTT DoCoMo has been rolling-out innovative technologies over the past two years that supported live video chatting from mobile handsets and reports that estimated five million of its subscribers are already in possession of Smartphones with video- calling functions. Mobile Device Considerations The year 2004 saw the emergence of a new class of mobile cellular handheld device-the Smartphone. It is a unique mobile device that is equal parts PDA and business-class cell phone with "always-on" connectivity that offers presence, location- Video Communications: The Whole Picture based services, and more. As the ultimately utilitarian mobile device, the Smartphone can also serve as an external high-speed modem for the Laptop, Tablet PC or PDA device using infrared, Bluetooth or some other personal area connectivity. There are certai