How To perform simple playback?

[windflowers]

How To perform simple playback?
I want to playback a wave file on the connected call, I do it according to example illustrates at <

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/tapi/tapi3/simple_playback.asp>,

but failed when execute to SelectTerminalOnCall function,
who can tell me why?

thank you very much!

qqj
qinqianjun@hotmail.com