McDewey

Parameters hDevice A handle to the call. dwCallbackInstance The callback instance that is supplied when the call's line is opened. dwParam1 The call information item that changed. Can be one or more of the LINECALLINFOSTATE_constants. dwParam2 This parameter is not used. dwParam3 This parameter is not used. LINE_CALLSTATE The LINE_CALLSTATE message gets sent when the status of the specified call changes. Typically, several such messages occur during the lifetime of a call. Applications get notified of new incoming calls with this message; the new call exists in the offering state. The application can use the lineGetCallStatus function to retrieve more detailed information about the current status of the call. Function Details LINE_CALLSTATE dwDevice = (DWORD) hCall; dwCallbackInstance = (DWORD) hCallback; dwParam1 = (DWORD) CallState; dwParam2 = (DWORD) CallStateDetail; dwParam3 = (DWORD) CallPrivilege; Parameters dwDevice A handle to the call. dwCallbackInstance The callback instance that is supplied when the line that belongs to this call is opened. dwParam1 The new call state. Cisco Unified TSP supports only the following LINECALLSTATE_values: LINECALLSTATE_IDLE The call remains idle; no call actually exists. Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 203 Basic TAPI Implementation LINE_CALLSTATE