10 CHAPTER 1: G ETTING STARTEDConfigurationOverviewThis guide includes instructions about how to configure the IP settingsmanually on your telephone. (See Telephone Installation andMaintenance.) For information about how to use a DHCP server toconfigure telephones, see the 3Com Asterisk Appliance Administrator’sGuide.Before you install your telephone, your administrator must assign anAsterisk account to you. This account includes a telephone extension anda voice mailbox. Your administrator also assigns a password thatassociates your telephone number and a voice mailbox with youraccount.■ If you are logged in, the Display Panel on your telephone shows thecurrent date and time, and your extension.■ If you are not logged in, see Logging In to Your Telephone.TelephoneOverviewThis guide describes the features available with your telephone, such astelephone button functions and making and forwarding calls.The settings on your telephone, including your extension, personalsettings, and system settings, remain the same even when you move yourtelephone from one Ethernet jack to another, as long as both Ethernetconnections are part of the same network.One of the benefits of network-based telephony is portability. Dependingon how your administrator has configured the 3Com Asterisk Appliance,you may be allowed to configure another telephone in the system toduplicate your primary telephone simply by logging in to the othertelephone using your password (see Transferring Your Telephone Settingsto Another Telephone).Your telephone can provide many features. Some of these features areoptional. Your administrator determines which features are available foryour telephone.