Hi I am Mark McGlashan a former hardware and software engineer for IBM I am presently involved in web marketing and strive to make it better.
Everything written here is my personal opinion and not that of my employer.
The Failed 407 proxy authentication required is often a a sign given in the screen of Vonage's Softphone. Funny enough its not that big of a deal to cure.
The Failed 407 proxy authentication has bewildered many people as they have this problem when they are trying to make the Vonage Softphone work. You can download the Vonage Softphone software from their site but its far easier to download from my site here. The Vonage Softphone Download has been checked for Spyware as well as virus and its totally clean, The Failed 407 proxy authentication problem can be cured easily if you follow the simple steps I shall soon give you.
The Failed 407 proxy authentication can be fixed simply by installing and rebooting your computer. Many customers install the software and immediately after installing the software they then try to make a call and up come the Failed 407 proxy authentication, the simple cure is a reboot and despite any software that's says you do not need to reboot to use its a good general idea to always reboot your computer after every install. The Failed 407 proxy authentication can be a real nuisance as you would be surprised the lengths people go to before rebooting their PC.
The PC Repairs London are a group of Computer Engineers, Mark McGlashan is a fully qualified Communications Engineer who later worked for IBM and became a Computer Engineer specializing in Hardware and Software Problems. Programming and integrating communications with computers is one of his specialties. The PC Repairs London like to keep their hands in every area possible.