Cortelco CP4400 instruction manual Savetheseinstructions

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13.Unplug the telephone from the wall outlet and refer servicing to qualified service personnel under the following conditions:

•When the line cord is frayed or plugs damaged.

•If liquid has been spilled into the telephone.

•If the telephone has been exposed to rain or water.

•If the telephone does not operate properly by following the operating instructions. (Adjust only those controls covered by the operating instructions. Improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to normal operation.)

•If the telephone has been dropped or the housing damaged.

•If the telephone exhibits distinct change in performance.

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Contents CP4400 Series Conference Telephone Table of Contents CP4400 Features Important Safety Instructions Savetheseinstructions Telephone Part Identification Checklist of Parts InstallationConnect to Power and Telephone Line To Ensure Best PerformanceSet the Flash Time SetupSet the Date and Time Set the Interface Set the Display ContrastTelephone Features Storing a Memory Dial Number Memory DialDialing a Memory Dial Number Caller IDMaintenance Information Telephone Service ProblemsTelephone Repair FCC Information Page Limited Warranty
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