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Digital Subscriber Line: it shares the same phone line that the telephone service uses, but because it uses a different part of the phone line’s bandwidth, it does not interfere with normal phone service. This is possible because there is a significant amount of unused capacity in current phone wires. The technology will allow subscribers to hook up DSL modems to a local Internet Service Provider (ISPs) and still be able to talk on the phone – all using the same phone line. The “x” represents a variety of possible methods and information rates that can be handled through DSL.