Blue boxing is a technique used by phreakers to take control over the routing of telephone calls. Unfortunately, since the UK changed to CCITT7 for signalling, it is not as easy to blue box in the UK. However, it can still be done, and this section will explain how the phreaker can use the technique from within the UK ;)

As usual, I never discuss a technique without ensuring it works. As it is some two years since I personally explored blue boxing, I'm going to make sure BT aren't using any more little tricks and traps to catch out the blue boxer as they have done several times in the past.

Watch this space ;)