Basic Operations19obtain the IP address, refer to Checking System Status on page 18.To register an account via web user interface:1. Enter the IP address of the base station in the address bar of the browser and pressthe Enter key.2. Enter the user name (default: admin) and password (default: admin) in thecorresponding fields of the pop-up dialogue box.3. Click Confirm to login.4. Click on Account->Basic.5. Select the desired account from the pull-down list of Account.6. Select Enabled from the pull-down list of Account Active.7. Enter the valid values in the Label, Display Name, Register Name, User Name,Password and SIP Server fields respectively.Contact your system administrator for the account information.8. Click Confirm to accept the change.To turn the handset on:Do one of the following:- Long press until the LCD screen lights up.- Place the handset in the charger cradle.The handset will be turned on automatically.To turn the handset off:1. Long press again when the handset is idle.You can adjust the ringer volume of your handset according to the noise level of thesurrounding environment. The ringer volume can be adjusted using the menu or thepredefined shortcuts (left and right navigation keys) on the keypad when the handset isidle. The handset supports 5 different ringer volume levels. The default level is 3.For more information on adjusting the ringer volume using the menu, refer to Ring Toneson page 24.To adjust ringer volume using the predefined shortcuts:1. Press or when the handset is idle.Press to decrease the ringer volume, or press to increase the ringer volume.