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To find the Cidco CST 2100 landline manual, search online for keywords such as "Cidco CST 2100 manual" or go to the manufacturer's website. For repairs, contact Cidco Customer Service or find an authorized repair center that specializes in landlines. Always contact the manufacturer or consult a professional for the most accurate information.
Unless there is a jack available marked "answering machine" , you will have to plug your answering machine into a separate jack with the same phone number as the ct100
When a call is received it will automatically set the time and date. To change the display contrast hold down the 'delete' button while toggling one of the other buttons. Hold the delete button down until the 'select,mem,mode' is displayed and choose between '25 name & number' or '64 numbers' . Make sure the batteries are good and the batt indicator in top left corner of display is off. I think that is all the features this early model unit was capable of.
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