NATs) or SIP messages, to perform this feature. For details about specifying this setting through the Web userinterface, see 4.3.4 Global Address Detection.To set Global Address Detection1. In the Web user interface, click the [Network] tab, click [Global Address Detection], and then select[STUN] for [Detection Method].• Select [SIP] for [Detection Method] to perform Global Address Detection by sending SIP messages.2. Enter the desired detection interval (seconds) in [Detection Interval].• When you select [SIP] for [Detection Method], the value "0" disables detection and a value other than"0" enables detection.3. If you selected [STUN] for [Detection Method], enter the STUN server address (IP address or FQDN) in[STUN Server Address].4. If you selected [STUN] for [Detection Method], enter the port number used by the STUN server in [STUNServer Port].Note• For details about server information, consult your network administrator.1.2 Reset and Firmware Update1.2.1 Reset1.2.1.1 Resetting to Factory Default (Factory Setting)Performing Factory Setting from the phone user interface resets all settings in the unit to their factory defaults.This type of initialization also deletes all other data on the unit, such as the call logs and the phonebook.To perform this initialization, follow the procedure below:1.Setting (soft button)2. [ ]/[ ]: Select "Default Setting" ® [ENTER] ® "Factory Setting" ® [ENTER]3. [ ]/[ ]: Select "Yes" ® [ENTER]4. [ ]/[ ]: Select "Yes" ® [ENTER]Notice• After performing Factory Setting, the unit will restart automatically. To avoid problems, it isrecommended that you save your settings before performing Factory Setting.1.2.1.2 Resetting the Network Settings (IP Reset)Performing IP Reset from the phone user interface restores the basic network settings made through phoneuser interface programming, Web user interface programming, or configuration file programming to their factorydefaults. If the unit is unable to connect to the network after changing network settings, you can restore thenetwork settings to their factory defaults by performing IP Reset, and then try configuring the settings again.Apart from Call Rejection Phone Numbers, all Web user interface and configuration file programming settingswill be reset to their factory defaults. However, settings such as the phonebook data, are not cleared by thisfeature.To perform this initialization, follow the procedure below:1.Setting (soft button)2. [ ]/[ ]: Select "Default Setting" ® [ENTER] ® "IP Reset" ® [ENTER]Document Version 2011-06 Administrator Guide 291.2.1 Reset
