Telephony User Interface Functionality (Windows CE 5.0)
Windows CE includes a full-featured IP phone user interface called the Telephony User Interface (TUI). TUI provides a UI built for a 320x240 (QVGA) screen and is provided in source code form.
By default, the TUI is included when you build an OS design using the IP Phone design template. If you build an OS design from scratch, you can add the TUI using the Telephony User Interface Catalog item, which is available in the Voice over IP Phone Services section of the Platform Builder Catalog.
The TUI is a Win32 application that uses windowing and UI classes provided by the Active Template Library. For detailed information about the TUI, see Telephony User Interface (TUI).
TUI provides common phone features like speed dial, voice mail forwarding, and one-button voice mail access. Many of these features take advantage of the 320x240 screen so they are easier to use, or to provide additional functionality. For example, rather than requiring a user to individually scroll through previously dialed calls, TUI displays a list that shows multiple calls and enables a user to access any call with a single touch or button press.
TUI also provides additional features that are not common, even on full-featured phones. For example, if connected to an Exchange server, TUI users can access their contact information on the phone, including free and busy information for every contact. They can also search the Exchange global address list and automatically dial numbers in the list.
See Also
IP Phone Functionality in Windows CE | Customizing TUI
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