tions found in paper-based personal organizer systems or in modern electronic personal digital assistants (PDA). Typically, a smartphone contains a calendar, an address book, e-mail and messaging functions, and a browser for the wireless application protocol, together with a range of ancillary functions. It works simply as a mobile telephone. A smartphone is roughly the same size as a standard business mobile phone, and similar to a standard phone, it allows users to operate its basic functions in a one-handed fashion. Extra functionality is accessed via the large touch screen, which differentiates it from standard phones. Connectivity with peripheral devices is accomplished primarily through Bluetooth. One or more camera devices are built in. Even with the added message-centric functionality, voice communication is still the primary function. 10.4.3 COMMUNICATOR At the functional high-end of the market there is a family of messaging-centric wireless devices that combine communications of voice, text and multimedia, and are open to third-party applications. The product concept is distinct from PDAs and other hand-held computing products through the superior and integrated communication capabilities. The communicator differs from mobile phones and smartphones by a further extended user interface suited for messaging and information access and exchange. Distinct 'attributes' are user interface/ease of use and technology applied to real user needs. 10.4.4 VOICE TERMINAL The voice terminal is focused on excellent voice quality in combination with enhanced voice services, i.e. voice activated dialing etc. Good voice quality in combination with convenient size and weight makes this product very easy to use; which is an important competitive factor in this category. Voice terminals are available in all different price segments, since factors other than features give these products a competitive edge. Such factors are industrial design, and possibilities for the end user to individualize the product. Some limited types o