“You can practice shooting eight hours a day, but if your technique is wrong, then all you become is very good at shooting the wrong way. Get the fundamentals down and the level of everything you do will rise.” – Michael Jordan
The technology of telephony is always changing. There are big infrastructure changes, such as the shift from landlines to mobile and the shift from traditional phones to VoIP. There are also many small functional changes that these big changes make possible. Here we look at six.