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 Are fiber optic lines required for ISDN ? Can ISDN lines be installed at my home or office ?  | 
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In most cases, the same copper wires used today for standard telephone service can be used for ISDN. This means most homes and offices are ISDN-ready today. The provisioning occurs at the central office. Fiber optics or underground cables are not a requirement.
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| 1999-Oct-09 7:35pm | 
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