Abstract
This paper discusses the design of a communications terminal for professional applications. The development work included visits to sites to capture requirements through interview and observation of working practices, and to get insight into typical communication tasks. A clear task focus was maintained during the design phase by using a dialogue description tool developed in-house to support the integration of the dialogue specification, the graphic design and the software design. Customer and operator feedback on the design was obtained. The success of the design can be attributed to a direct involvement of users in the development process and to the integration of different specialists in the development team.
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