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  Our support and maintenance services are for companies with an existing wide area network infrastructure. We have experience with most of today's hardware vendors, WAN protocols and transport media.

ZDT offers support contracts for companies with mission-critical WAN's and we provide remote network monitoring and diagnostic solutions to ensure that your WAN has minimum downtime.

We also provide upgrade and migration to companies who are expanding their WAN or wish to move on to newer technologies. For example, bridges are still used in a large number of organisations that have a much higher data overhead than links based on routers. We can provide a complete service to migrate these links and reconfigure any hardware at remote locations.