This event is called when a tone is detected by the line device. The AppSpecific parameter holds the value of the dwAppSpecific member of the LINEMONITORTONE structure, which was given to the ThbTapiCall.MonitorTones functions.

Availability

Design-Time: Read, Write / Run-Time: Read, Write

Declaration

procedure (Sender: ThbTapiLine; Call: ThbTapiCall; AppSpecific: DWORD);
property OnTone: ThbTapiCallToneEvent;

Remarks

Please refer to the section "LINE_MONITORTONE" in TAPI's documentation for a more detailed information.