Re: H323 gateway setting in TAPI3

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From: Andreas Marschall [MVP TAPI] (Andreas.Marschall_at_I-B-A-M.de)
Date: 07/26/04 

Date: Mon, 26 Jul 2004 17:12:52 +0200

"David Yu" <y2wei@ @ 163.net> schrieb im Newsbeitrag
news:egHia4scEHA.4092@TK2MSFTNGP10.phx.gbl...
> Before making a H323 call through a H323 gateway, the proper gateway address
of TSP "Microsoft H.323 TAPI Service Provider" should
> be set via an applet in the control panel.
> The relating registry key is:
> HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\H323TSP
>
> But netmeeting seems to work in another way: one only need to config the
gateway address via the GUI of netmeeting, totally
> independent of the H323 TSP's.

David,
correct, Netmeeting is not a TAPI app and is not using H323.TSP but a
proprietary solution.

> The relating registry key is:
> HKEY_CURRENT_USER\Software\Microsoft\Conferencing
>
> I don't want to change the global H323 gateway settings. At present, I save
the H323 gateway settings and change to my own settings
> before making my TAPI3 H323 gateway call, then restore them back to the
original after the call launched.

Why not change the H323.TSP configuration to the settings you app requires?
At install time of your app I suggest to either ask the user to make the
required config changes manually by bringing up the H323.TSP configuaration
applet via lineConfigProvider() or doing it automatically on users choice.

> But only administrators can change the registry key under win2k. So it's not
a good idea.

I guess even with the H323.TSP config dialog it is impossible to change
settings without admin privs. And there is good reason for it ...

> Anyone knows how the Netmeeting works?

No, not me. 

-- 
Best Regards
Andreas Marschall
Microsoft MVP for TAPI / Windows SDK
TAPI / TSP Developer and Tester
http://www.I-B-A-M.de/Andreas_Marschall's_TAPI_and_TSPI_FAQ.htm
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