How I know when the "lineMakeCall" function finish
C / C++ / MFC
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I set the messages callback as so
lineSetStatusMessages(m_hLine,lpDevCaps->dwLineStates,0);But I don't get the message "LINECALLSTATE_RINGBACK" It's possible so the device don't support this message? Or how do I say to the system to send this message Or maybe I need to take this message "LINECALLSTATE_PROCEEDING" Thanks in advance