2.If a message appears informing you that the ISDN device has not been configured, click Yes to configure it. In the Install New Modem Type window, scroll down to Generic ISDN (CAPI 2.0) in the Manufacturers list, then select the corresponding entry in the Models list. Click Next.
3.In the ISDN/CAPI Properties window, enter an MSN (Multiple Subscriber Number) and a CLID (Calling Line Identification). In the “Packet size” field, enter 512.
