Establishing An Isdn Connection - Red Hat ENTERPRISE LINUX 4 System Administration Manual

Chapter 17. Network Configuration

17.3. Establishing an ISDN Connection

An ISDN connection is an Internet connection established with a ISDN modem card through a special
phone line installed by the phone company. ISDN connections are popular in Europe.
To add an ISDN connection, follow these steps:
1. Click the Devices tab.
2. Click the New button on the toolbar.
3. Select ISDN connection from the Device Type list, and click Forward.
4. Select the ISDN adapter from the pulldown menu. Then configure the resources and D channel
protocol for the adapter. Click Forward to continue.
Figure 17.4. ISDN Settings
5. If your Internet Service Provider (ISP) is in the pre-configured list, select it. Otherwise, enter the
required information about your ISP account. If you do not know the values, contact your ISP.
Click Forward.
6. In the IP Settings window, select the Encapsulation Mode and whether to obtain an IP address
automatically or to set a static IP instead. Click Forward when finished.
7. On the Create Dialup Connection page, click Apply.
After configuring the ISDN device, it appears in the device list as a device with type ISDN as shown in
Figure 17.5, "ISDN Device".
Be sure to select File => Save to save the changes.
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