DNIS lets you know which phone number your customer called to reach you and is useful in a variety of circumstances. For example, if you're operating a call center, you could set up your switch to recognize the DNIS of an incoming call and play the appropriate greeting for the product associated with the toll-free number. After adding DNIS information, you can update it or delete it as your business needs change.
To create the DNIS information for a toll-free number:
Important: After you schedule the changes, you cannot edit the plan until the pending changes are activated. You can check the status of the request by selecting Job List from the More Actions list.
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