TUI OS Design Development (Windows CE 5.0)
The Telephony User Interface (TUI) is a fully functional and customizable application that offers standard and advanced IP phone functionality. TUI uses the VoIP Application Interface Layer (VAIL), Real-time Communications (RTC) Client API, Exchange Client, and PC Authentication Catalog items, among others.
For more information about building an IP phone using Windows CE, including links to other VoIP-related catalog items, see Developing an IP Phone.
OS Design Information
The following table shows operating system design information for the TUI.
| Concept | Description |
|---|---|
| Dependencies | COM
VoIP Application Interface Layer (VAIL) (call log and caller info databases used if available, but not required) RTC Client API Exchange Integration (used if available, but not required) PC Authentication Phone IME TCP/IP XML |
| Hardware considerations | Audio hardware appropriate for your use cases
Network connection |
Modules and Components
The following components and modules implement the TUI.
| Item | Module | Component |
|---|---|---|
| Telephony User Interface application | voipui | None |
Implementation Considerations
The following table shows the Sysgen variables for the TUI.
| Sysgen variable | Description |
|---|---|
| SYSGEN_VOIPPHONE_UI | Adds the Telephony User Interface application. |
See Also
Telephony User Interface (TUI) | VoIP Application Interface Layer (VAIL) | Real-time Communications (RTC) Client API | Exchange Client | PC Authentication
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