Modem Tone States
Thevalueparameter of thetelCAModemToneMsgmessage (page 5-23) contains one of the following constants.
enum { telModemToneDetected = 0, telModemToneCleared = 1 };Constant descriptions
telModemToneDetected- A modem tone has been detected.
telModemToneCleared- A modem tone has stopped.