magicjack block anonymous calls callers how can do i to blocking incoming call

How can I block anonymous calls / callers?

To block anonymous calls, you will need to download and install the Magicfeatures Plugin at http://www.pcphonesoft.com .

Just double left mouse click on the Magicfeatures Plugin icon in the lower right hand traybar area of your screen to open up the Features Dashboard. Make sure the "Anonymous Call Block" feature is checked.

For a basic screenshot click here http://www.pcphonesoft.com/featuredetails.html .