ISDN is a high-speed, fully digital telephone service. Just as compact discs have made recorded music digital, ISDN upgrades today's analog telephone network to a digital system.

ISDN can operate at speeds up to 128 kilobits/second, which is three or more times faster than today's analog modems.

ISDN can dramatically speed up transfer of information over the Internet or over a remote LAN connection - especially rich media like graphics, audio or video or applications that normally run at LAN speeds.

The following links provide more information about ISDN and what you need to know to get ISDN up and running. You can read straight through or just browse selected topics.

ISDN Service

• Why ISDN
• Integrated Services Digital Network (ISDN) - what is it?
• Availability - unfortunately, ISDN is not available everywhere
• Telco Pricing - it varies by location and telephone company
• Provisioning - what the telephone company calls “configuration of the line”
• Configuration - things to know (like the Switch Type and SPID’s)
• Alternatives to ISDN - is ISDN the right service for you?

ISDN Hardware

• ISDN – What do I need
• 64K or 128K
• Internal vs. External ISDN Adapters - which is better for you?
• Connecting to the Telephone Network - types of ISDN interfaces and the NT-1
• Wiring and Jacks - installing wiring and jacks inside your home or office
• Connecting Multiple Devices to an ISDN Line - phones, faxes, routers, etc.

• ISDN verses Frame Relay
• ISDN verses DSL
• ISDN Options
  

Other ISDN Information

• What is ISDN
• ISDN FAQ
• Glossary of ISDN-related Terms
• Other ISDN Resources

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