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What is a Direct Dial In (DDI)?

April 26, 2017ddi Dial

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What is a Direct Dial In (DDI)?

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A DDI is a block of additional numbers that can be attached to your ISDNFRA/PRA line. DDIs allow you to give your staff individual numbers so a caller can contact the person they want directly, without going through reception. They also allow you to attach individual numbers to specific pieces of equipment, such as telephones or fax machines. Each ISDN FRA/PRA comes with 100 DDIs.