Telephony API Issues

Applies To: Windows 7, Windows Vista

There are several known telephony API issues addressed by the Compatibility Administrator using compatibility fixes and compatibility modes.

Fix Name Symptom Fix Description

IgnoreTAPIDisconnect

A runtime error occurs in Mfc40.dll when a call is disconnected.

Removes the disconnect message from the queue, as some TAPI applications do not correctly handle a disconnect message.

IgnoreTAPIDisconnect

The phone dialer does not hang up.

Removes the disconnect message from the queue, as some TAPI applications do not correctly handle a disconnect message.

See Also

Concepts

Known Compatibility Fixes, Compatibility Modes, and AppHelp Messages
Internet Explorer Compatibility Test Tool