Avaya IP Office - TAPI Wave

Configuration of TAPI Wave in Avaya IP Office

Configure IP Office

Install TAPI Wave driver

Add hardware...

Do not map through the device

Troubleshotting

Exception from log with description MMSYSERR_ALLOCATED

 2011-09-21 09:24:09 VB-Port: 4 Play error occured. Number: 4 Description: MMSYSERR_ALLOCATED
 2011-09-21 09:24:09 VB-Port: 4 Error etPlay.Device.ID = 71 etPlay.Device.Name = IP Office WIDWOD #71 etPlay.Error.Hex = 00000004 etPlay.Error.Number = 4 etPlay.Error.Text = MMSYSERR_ALLOCATED 

This indicates that the device is already in use by some device. Make sure that it's configured not to be handled by Windows.