Avaya IP Office - TAPI Wave
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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.