Introduction
The world and the way that we do business have changed a lot in the last few years, with the advent of the Internet and the changes in the way that we communicate. Many companies have a far greater global reach today than the local or regional business of yesteryear. They now have to concern themselves with global logistical supply and demand chains that spread out across the country or even the world and the distribution of employees and corporate partners that this involves. In the past this has been achieved by the use of Leased lines to pass voice, data and even video. These leased lines range from Integrated Digital Services Network - ISDN @ 144kbs to Fibre Optical Cables such as OC3 that work up to 155Megabits per seco
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