Your call could not be completed because your audio device is not available. This can happen for several reasons: - The device ...

Your call could not be completed because your audio device is not available.  This can happen for several reasons:                                                        
   -   The device may already be in use                                                        
   -   Communication between your device and your computer may be temporarily delayed. This can happen if your device is connected through a USB hub that is being used for other things, such as video                                                        
   -   Your computer is busy                                                        
   -   The device may not be operating correctly                                                        
Wait a few minutes and try again. If you receive this message again, switch to another audio device such as your mobile phone.