magicJack and magicJack Plus Support, Reviews, FAQs and Tricks

Please Help!
I run a macbook pro (Intel based) and my MJ works great! but I don't see the feature to switch from headset to phone listed on the menu. However, when I take it to my desktop at home (running windows vista) I can see this feature.
Does anyone have a solution for this?
I want to be able ...

I have the exact same card Sierra Wireless 595u with Sprint.
I did have that same problem for a few days and after a lot of hours spent on the computer I found the problem.
I run windows Vista (doesn't make a difference) and I had my air card unplugged for several days.
When I plugged it on my ...