26 Chapter 2 Installation preparation300867-GMaking decisionsBefore you can access the Internet with your Instant Internet unit, you must makethe following decisions:• Who will be your Internet service provider (ISP)?• What type of connection will you use—dial-up connection (analog or ISDN),leased-line connection (T1, DDS, V.35, or X.21) built in to Instant Internet,cable modem, xDSL modem, PPPoE, or an external router?Selecting an Internet service providerThere are thousands of Internet service providers (ISPs) from which to choose.Nortel Networks maintains an updated list of the major, national ISPs and as manylocal ISPs as possible. You can choose an ISP from this list, or you can locate adifferent one. Either way, try to choose an ISP that has a local access number sothat you do not have to pay long distance charges. You can look in the yellow pagedirectory for local or regional ISPs, or you can call a national ISP and ask if itoffers local dial-up access in your area.If your ISP is not on the selection list you see during Instant Internet installation,select the ! Default provider from the list. If you cannot connect to the Internetwith the ! Default provider selected, do one of the following:• Call Nortel Networks Technical Solutions Center at 800-2LANWAN, ExpressRouting Code 169#, 24 hours a day, 7 days a week, 365 days a year(see page 20).• Send an e-mail message to support@nortelnetworks.com.Be sure to have your provider’s name, location, and contact person’s phonenumber so that Nortel Networks can create a dial-up script specific to your ISP’saccess requirements and add your ISP to the list.Note: Only a dial-up connection (analog or ISDN) requires this type ofservice from an ISP. If you are using a cable modem, xDSL modem, orexternal Ethernet device, you do not have to obtain dial-up service.