The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Global Telelinks:
WhizExpress is an intelligent smart phone application that configures all address book contacts with "1-Click Dialing" to enable hassle free global calling without having to remember long international access numbers.WhizExpress automatically configures all your contacts with "International Access Numbers + Destination number" in the background saving a lot of time for your global calls.Add multiple locations based International Access Numbers like US, UK, Canada etc from the Update Access Number feature from your iPhone to dial the newly updated international access number followed by the destination numberWhizExpress will automatically dial the access number for the country that you have configured followed by the destination number.To change the access number, click on Update Access Number and choose the desired access number depending on your location.Ensure that have set the appropriate access number depending on your international location.Ensure that all contacts on your iPhone Contact Book is prefixed with the appropriate country code depending on the location of your contacts.Update you international access numbers depending on your international location.Chose the international location and select the desired access number from the drop down list.