Abstract
Graphical Telephone Interface (GTI) is a screen-based telephony application for telecommunication services. It provides an intuitive user interface to the myriad of services and features in state-of-the-art communication systems, such as ISDN or a digital (ISDN) PBX. As a high-end telephony user interface, GTI controls voice and data connections with the comfort and ease of use to today's graphical user interfaces.
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References
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Froitzheim, K., Schulthess, P. GTI, a graphical telephone interface. The Visual Computer 9, 338–343 (1993). https://doi.org/10.1007/BF01901914
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DOI: https://doi.org/10.1007/BF01901914