Atcom au-600 User Guide

USB Gateway 

 

 

 
Check the Audio In and Audio Out list boxes and make sure VoIP Virtual Audio device 
is selected. 
 

•  Make sure that a telephone cable is plugged into the USB Gateway line jack and 

to the wall phone plug 

•  Try to dial the telephone number as you have entered in the USB Gateway Call 

Forwarding dialog box 

•  If you are on a PBX, make sure you have entered enough commas after the 9 (for 

example) to make sure that USB Gateway waits for the dialtone before dialing the 
telephone number 

 

If your connect USB Gateway to USB port with low power supply, your PC will warn  
the USB port power surge problem. In this case you can try: 

•  USE AC power supply instead of battery power supply in your laptop. 

•  Connect USB Gateway to another USB port. 
•  Remove other USB power hardware. 

•  USE USB hub with its auxiliary power supply