
Chapter Two: Getting Started 4. Gather configuration information
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4. Gather configuration information
Gather the following ISDN and Internet account information. You will need it to successfully configure the
DIVA LAN ISDN Modem.
Gather ISDN information
The DIVA LAN ISDN Modem connects to an ISDN Basic Rate line. There are two types of line interfaces: U
interface and S/T interface.
• In Europe, the S/T interface is standard for Basic Rate ISDN lines.
• In Asia Pacific countries, the S/T interface is also commonly used. However, there are some ISDN
providers that supply U interface ISDN lines. If this is the case, make sure that you have the U interface
version of the DIVA LAN ISDN Modem, (or an NT-1), or you will not be able to connect.
Supplementary services
Various supplementary services are available. Two you should consider ordering are:
• MSN (multiple subscriber numbering): If you will be using your DIVA LAN ISDN Modem to receive
incoming analog calls (i.e., you intend to plug telephones or fax machines into the DIVA LAN ISDN
Modem), you may have to order the MSN supplementary service to get more than one phone number.
• Call Waiting: You need to order the Call Waiting supplementary service if you want to support call
bumping (dynamic bandwidth allocation). Call bumping enables the DIVA LAN ISDN Modem to drop
one ISDN B-channel on an active data call, to allow an incoming or outgoing analog phone call to
connect. See “Choosing a connection protocol” on page 20 for more information.
Information to record
Gather Internet account information
Obtain an account with an ISP (Internet Service Provider) and record the following:
Item Description
ISDN phone number The main phone number assigned to your ISDN line.
MSN phone number(s) If supported by your line.
Billing intervals Find out how your provider bills for ISDN usage. With this information on hand
you can configure the DIVA LAN ISDN Modem to minimize your connection
costs. See “The Cost Control page” on page 51.
Item Description
ISP’s ISDN phone number(s) This is the phone number the DIVA LAN ISDN Modem dials to access the ISP.
Your ISP may also have a backup number in case the primary number is busy or
unavailable.
User name Name the DIVA LAN ISDN Modem will use to log in to the ISP.
Password Password the DIVA LAN ISDN Modem will use to log in to the ISP.
Primary DNS server address
Secondary DNS server address
To reach other sites on the Internet you need to use your ISP’s DNS server. In most
cases, the DIVA LAN ISDN Modem will automatically discover the addresses of
these servers. However, if it is unable to do so, you will have to enter them
manually.
Addresses are written as four numbers separated by periods. Each number can
range from 0 to 255. For example: 212.123.111.119 or 212.132.10.20
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