Originally Posted by
BLI-Flyer
But if you do this it deactivates your home Vonage line, right? I don't think my wife would appreciate that when I'm traveling! So it's not really like an extension line for your home phone, it's one or the other, or pay to activate it as a separate line.
You can only use one device at a time. There are lots of other cheaper options out there including gizmo and skype.