Page 5 of National Car Rental by BT Global Services

national car rental overall system resilience has improved with isdn backup and the removal of any potential single point of failure improved customer service levels chris higgins confirms that customer service levels have risen considerably `we have gained a more resilient communications network that offers real-time data transfer so when a customer rings from any location they can get a faster quote than ever before better management of costs though the contractual price was important it wasn t over-riding `we were more concerned about getting value using the proper solution for the business says chris higgins `costs can now be managed better `bt mpls provides a more reliable flexible and cost-effective ip network to meet the changing and growing demands of national says bt s paul wroe the network operates on a fixed cost model so there is greater visibility it s also much easier to plan budget changes and extensions to the network ability to add new sites further functionality the new bt mpls service is future-proofed with scope for different levels of functionality as network and business demands increase `the bt mpls system fulfilled all of our technology needs bt has delivered a network which brings significant benefits to our business says chris higgins business evolution through performance tracking national is now able to track business performance giving it the foundation to continually evolve in line with customer demand `we re in the business of continuous improvement the network will provide our global customers with better service on an ongoing basis says chris higgins network supports future voice/data convergence looking to the future the bt mpls network offers an opportunity for convergence of voice and data traffic on the same circuit and further savings should this consolidation occur bt s mpls network will also support class of sevice cos cos is a way of managing traffic in a network by grouping similar types of traffic ­ whether it s email video voice or data transfers ­ together and treating each type as a class with its own level of service priority so national can potentially prioritise time-sensitive erp applications critical to the completion of its bookings and voice over email for example cos increases network efficiency by allocating bandwidth intelligently and cost-effectively page 4 of 6 establishing the right infrastructure © bt plc 2004

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