What Is ISDN? imagemap

To set up your computer for ISDN, you will need an ISDN adapter that is compatible with Windows.

Learn more about ISDN hardware

You can purchase an ISDN adapter from many computer stores, but you may want to delay purchasing ISDN hardware until you are sure you can get ISDN service (ISDN is not yet available everywhere). You can also usually purchase ISDN hardware from your telephone company. You can request that the telephone company provide an adapter when you request an ISDN line through this site.

ISDN adapters compatible with Windows 95

ISDN adapters compatible with Windows NT