ISDN can provide bandwidth on demand between two locations

Learn how to use ISDN as a back up for T1 or Frame Relay circuits in two new Application Overviews.

ISDN can provide bandwidth on demand between two locations, and is fast, reliable, and widely available. ISDN equipment for has become market stable and can now be deployed without fear of interoperability problems. Each of the pictures below is linked to a document. You will need Adobe Acrobat to read these files.