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After you upgrade a Windows XP-based computer to Windows Vista, you may no longer hear the audio handshake when you use a dial-up modem

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Article ID:928899
Last Review:March 15, 2007
Revision:1.4

SYMPTOMS

After you upgrade a Microsoft Windows XP-based computer to Windows Vista, you may no longer hear the audio handshake when you use a dial-up modem. However, the modem works and connects.

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CAUSE

This problem occurs because certain modem drivers cannot stream audio to the computer audio device in Windows Vista. Therefore, you cannot hear the dial tone or the modem handshake.

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RESOLUTION

This problem does not prevent the modem from working in Windows Vista. You may be able to re-enable this feature by contacting the OEM or the modem manufacturer for an updated Windows Vista-compatible modem driver.

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APPLIES TO
•Windows Vista Enterprise 64-bit Edition
•Windows Vista Home Basic 64-bit Edition
•Windows Vista Home Premium 64-bit Edition
•Windows Vista Ultimate 64-bit Edition
•Windows Vista Business
•Windows Vista Business 64-bit Edition
•Windows Vista Enterprise
•Windows Vista Home Basic
•Windows Vista Home Premium
•Windows Vista Starter
•Windows Vista Ultimate

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Keywords: 
kbdriver kbmodem kbupgrade kbtshoot kbexpertisebeginner kbprb KB928899

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