NATs) or SIP messages, to perform this feature. For details about specifying this setting through the Web userinterface, see 3.4.4 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 the Network Settings (IP Reset)Performing IP Reset from the phone user interface (® see 2.1.4 IP Reset) restores the basic network settingsmade through phone user interface programming or Web user interface programming to their factory defaults.If the unit is unable to connect to the network after changing network settings, you can restore the networksettings to their factory defaults by performing IP Reset, and then try configuring the settings again. Settingssuch as the phonebook data, are not cleared by this feature.The following settings will be reset to their factory defaults:• DHCP setting (restored to "DHCP on")• Settings related to static IP addressing (the values for static IP address, subnet mask, default gateway,DNS1, and DNS2 are cleared)• DNS settings for DHCP connection (cleared)• PHY settings (speed and duplex mode of the either LAN or PC port are restored to "automatic")• VLAN (Virtual Local Area Network) settings (disabled)• Terminal number settings (restored to "automatic")Notice• After performing IP Reset, the unit will restart automatically. To avoid problems, it is recommended thatyou save your settings before performing IP Reset.Note• If these settings (with the exception of PHY settings and terminal number settings) were made throughWeb user interface programming, the set values made through Web user interface programmingremain effective, even if you perform IP Reset. To reset these settings to their factory defaults, performReset Web Settings from the Web user interface again.Document Version 2011-01 Administrator Guide 331.2.1 Reset
