The following functions are related to the Modem Manager.
• CallerID Returns the callerID string from the TAPI LINECALLINFO structure
• ModemCount Number of available modems
• ModemDev Obtain wave device handle
• ModemDial Initiate an outgoing call
• ModemDigits Monitor a voice call for key presses
• ModemList Enumerate the available modems and their capabilities
• ModemMedia Determine or change the media mode of a call
• ModemStream Prepare to receive an incoming call
• ModemTransfer Transfer a call to another system service