User guide

6-96 AR100 Series Internet Router User Guide
1. In the “Update Configuration page” on page 94, click on the ISDN
Information
Modify
button to open the “System Information page” on
page 95.
Figure 6-4: Phone and ISDN Information page
Phone setup
If you have an AR140 router with phone ports, you can add or change the
phone numbers that will ring the extensions connected to each phone port. If
callback is supported by your ISDN service and the remote office you are
connecting to, you can enable callback on the router. This means the remote
office router will call you back immediately when you call it, reversing ISDN
charges.
2. Add or change the directory numbers that will ring each phone port.
3. Choose whether or not to enable callback on each phone port.
ISDN setup
If you are in North America, configuration information is required about the
ISDN switch type that your ISDN service connects you to, SPIDs to identify