"ITCallInfo::put_CallInfoLong" Property on a TAPI 3 Call Causes "Not Supported" Error

This article was previously published under Q271178
This article has been archived. It is offered "as is" and will no longer be updated.
If an application uses the ITCallInfo::put_CallInfoLong(CIL_APPSPECIFIC, x) property on a Telephony Application Programming Interface (TAPI) 3 call, a "not supported" error may occur. This error prevents the application from being able to "tag" a call so that another related application can later determine what the call was intended for.
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 Service Pack
The English version of this fix should have the following file attributes or later:
   Date         Time      Version         Size      File name   ----------------------------------------------------------   09/18/2000   06:27pm   5.0.2195.2283   254,736   H323.tsp				

Microsoft has confirmed that this is a problem in Microsoft Windows 2000.
For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:
249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

Article ID: 271178 - Last Review: 10/21/2013 00:28:24 - Revision: 3.3

Microsoft Windows 2000 Service Pack 1, Microsoft Windows 2000 Advanced Server, Microsoft Windows 2000 Service Pack 1

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