ITAutomatedPhoneControl::StartTone method (tapi3if.h)
The StartTone method sends control tones.
Syntax
HRESULT StartTone(
[in] PHONE_TONE Tone,
[in] long lDuration
);
Parameters
[in] Tone
PHONE_TONE descriptor of the type of tone to send, such as PT_KEYPADONE.
[in] lDuration
Duration, in milliseconds, of the tone being sent.
Return value
If the method succeeds, it returns S_OK. Otherwise, it returns an error value.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | tapi3if.h (include Tapi3.h) |
| Library | Uuid.lib |
| DLL | Tapi3.dll |