magicJack and magicJack Plus Support, Reviews, FAQs and Tricks

Go to Control Panel in XP, Sounds and Audio, Properties, and look to see if there is a device selected. Mine said, "No Audio Device", so I had to go to the "audio" tab and reselect my sound card. Apparently when I put the MJ in it cancelled out my card.

My 911 address is also gone since the MJ upgrade. I suspect it's all part and parcel; they'll get it figured out sooner, or later.

I doubt that you did anything wrong. Mine started working just fine last night, but when I booted my computer this afternoon I got the same error message you did about plugging it into a usb port.

That's pretty much the response I got from magicjack's tech support, also. Got mine this week, plugged it in, couldn't register. Finally got registered, called my home phone and couldn't leave a message on my answering maching. Called my cell phone, listened to it ring, but could not answer as the ...

I'm also a new user. Plugged it in the first day, but couldn't register. Tech support said the registration server was being upgraded. Finally got registered, but couldn't get a call through. Tech support said their equipment was being upgraded. Now, since yesterday have been getting "error 400 ...