Hi,

> The H.323 part is developed based on NM3.0 SDK's
> AVphone3 sample code. 

What NM_INIT_* constant do you use when you initalize the conference
manager ?

> The problem I have now is when I finish
> Netmeeting calls and try to switch to my H.324 call (in the same
> application), the Netmeeting (Conf.exe) is still running in the
> background no matter how I try to close it. 

Are you sure you have released all the COM interfaces/sinks ? If you
don't, then conf.exe won't shutdown.
Now, even if you do it all right, Nm3.0 may still hang around a little
before shutting down, specially if you use the video ActiveX controls.
There's a comment about this in the avphone sample when freeing the
video controls. There may be another reason why conf.exe does not behave
correctly : if you exit the thread from which you manage the sdk COM
interface right after you release the conference manager objects, you
may have problems. Just wait a little before closing down the calling
thread.

> If I cannot totally close
> the Netmeeting before switching to H.324 calls, my H.324 will fail to
> use the video source (camera) since it is still occupied by the
> Netmeeting. Does anyone of you know any APIs or methods which can
> force NM3.01 to shut down from the background? Thanks in advance!

I think you must wait till it shuts down. It should not be a very long
time to wait.

I hope this helps,

-- 
Jean-Francois REY.
-------------------
ALCATEL R&D Adv. Projects.
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