Avaya IP Office - TAPI Wave

Configuration in Avaya IP Office

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.