What Do I Need to Use ISDN? imagemap

You need four things to successfully use ISDN:

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| ISDN Service | ISDN Hardware | ISDN Software | Internet or LAN Connection |

Note: These components are interrelated. Your ISDN Hardware and Software choices impact how your ISDN Service needs to be configured. You might not want to purchase ISDN hardware until you are sure you can get ISDN Service.