McDewey

TAPI phone functions phoneSetStatusMessages, on page 288 phoneShutdown, on page 290 phoneCallbackFunc The phoneCallbackFunc function provides a placeholder for the application-supplied function name. All callbacks occur in the application context. The callback function must reside in a dynamic-link library (DLL) or application module and be exported in the module-definition file. Function Details VOID FAR PASCAL phoneCallbackFunc( HANDLE hDevice, DWORD dwMsg, DWORD dwCallbackInstance, DWORD dwParam1, DWORD dwParam2, DWORD dwParam3 ); Parameters hDevice A handle to a phone device that is associated with the callback. dwMsg A line or call device message. dwCallbackInstance Callback instance data that is passed to the application in the callback. TAPI does not interpret this DWORD. dwParam1 A parameter for the message. dwParam2 A parameter for the message. dwParam3 A parameter for the message. Further Details For more information about the parameters that are passed to this callback function, see TAPI Line Messages, on page 199 and TAPI Phone Messages, on page 290. Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 275 Basic TAPI Implementation phoneCallbackFunc