Dial-on-demand routing, Bandwidth on demand and dial backup – Cisco 1721 User Manual
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D-7
Cisco 1721 Router Hardware Installation Guide
78-13834-02
Appendix D Ordering and Configuring an ISDN Line
ISDN Configuration Options
Dial-on-Demand Routing
To place calls on the ISDN interface, you must configure it with dial-on-demand
routing (DDR). See the chapter “Configuring DDR” in the Wide-Area Networking
Configuration Guide for detailed information about DDR.
Bandwidth on Demand and Dial Backup
See the chapter “Configuring DDR” in the Wide-Area Networking Configuration
Guide for detailed information about bandwidth on demand and dial backup.
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