www.nortel.com/supportThis site provides quick access to software, documentation, bulletins, and tools to address issues with Nortelproducts. From this site, you can:• download software, documentation, and product bulletins• search the Technical Support Web site and the Nortel Knowledge Base for answers to technical issues• sign up for automatic notification of new software and documentation for Nortel equipment• open and manage technical support casesGetting help over the phone from a Nortel Solutions CenterIf you do not find the information you require on the Nortel Technical Support web site, and have a Nortel supportcontract, you can also get help over the phone from a Nortel Solutions Center.In North America, call 1-800-4NORTEL (1-800-466-7835).Outside North America, go to the following web site to obtain the phone number for your region:www.nortel.com/callusGetting help from a specialist by using an Express Routing CodeAn Express Routing Code (ERC) is available for many Nortel products and services. When you use an ERC,your call is routed to a technical support person who specializes in supporting that product or service. To locatethe ERC for your product or service, go to:www.nortel.com/ercGetting help through a Nortel distributor or resellerIf you purchased a service contract for your Nortel product from a distributor or authorized reseller, contact thetechnical support staff for that distributor or reseller.NoticesNotice paragraphs alert you about issues that require your attention. The following paragraphs describe the types ofnotices used in this guide.ATTENTIONNotes provide tips and useful information regarding the installation and operation of Nortel products.CAUTIONESDESD notices provide information about how to avoid discharge of static electricity andsubsequent damage to Nortel products.CAUTIONCaution notices provide information about how to avoid possible service disruptionor damage to Nortel products.