Inactivity Timeout not Passed Through to TAPI Service Provider

This article was previously published under Q164257
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IMPORTANT: This article contains information about editing the registry.Before you edit the registry, make sure you understand how to restore it ifa problem occurs. For information about how to do this, view the "Restoringthe Registry" Help topic in Regedit.exe or the "Restoring a Registry Key"Help topic in Regedt32.exe.
Setting "Disconnect a call if idle for more than xxx mins" on the on theConnection tab of the Modem Control Panel tool has no effect on idletimeout disconnect.
The registry appears to be properly updated, but the modem initializationstring does not contain the proper timeout value.
WARNING: Using Registry Editor incorrectly can cause serious problems thatmay require you to reinstall your operating system. Microsoft cannotguarantee that problems resulting from the incorrect use of Registry Editorcan be solved. Use Registry Editor at your own risk.

For information about how to edit the registry, view the "Changing KeysAnd Values" Help topic in Registry Editor (Regedit.exe) or the "Add andDelete Information in the Registry" and "Edit Registry Data" Help topicsin Regedt32.exe. Note that you should back up the registry before you editit.
  1. Start Registry Editor (Regedt32.exe).
  2. Set the following entry to the desired value:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class \{4D36E96D-E325-11CE-BFC1-08002BE10318}\0000\Settings\InactivityTimeo

    Where {4D36E96D-E325-11CE-BFC1-08002BE10318} is the general entry formodems and 0000 the number that specifies the modem you want to change thevalue for.
  3. Quit Registry Editor and restart your computer.
Microsoft has confirmed this to be a problem in Windows NT version 4.0.We are researching this problem and will post new information here in theMicrosoft Knowledge Base as it becomes available.
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Article ID: 164257 - Last Review: 10/04/2013 21:12:34 - Revision: 1.1

Microsoft Windows NT Workstation 4.0 Developer Edition, Microsoft Windows NT Server 4.0 Standard Edition

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