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

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

Article ID : 928899
Last Review : March 15, 2007
Revision : 1.3

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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Microsoft Knowledge Base Article

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