Graphical User Interface
The sample program has been developed in Microsoft WPF (Window Presentation Foundation) technology. The main goal of this sample program is to demonstrate the simple and convenient use of Ozeki SDK (I do not enlist the great functions of WPF technology in this article). That is why I created a simple but representative GUI (Figure 1) with basic telephone functions (like setup calls, receiving calls, sending and receiving DTMF signals, event display on the interface, keyword searching in audio communication.
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