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VoIP subscriber gateways  25 
3.1.1.4 ‘Configuration’ submenu 
In the  ‘Configuration’ submenu, you  may save  current  configuration, restore and reset  it to the  default 
settings. 
 
Вackup Configuration: 
–  To save the current configuration of the device to a local PC, click ‘Backup’ button. 
Restore Configuration: 
–  Saved config.tgz file  – configuration  file selection.  To  restore  previous established configuration, 
click ‘Restore’ button. 
Reset to default configuration– reset to the default configuration via pressing ‘Reset’ button. 
After  the  reset,  the  access  to  the  device  is  possible  via  IP  address  getting  from  DHCP 
interface. If DHCP server is absent, use gateway voice menu. In order to do that, connect 
phones to  any  FXS port  and  dial  ‘***’  first, then  dial ‘0’. 192.168.1.2  – IP  address will  be 
assigned to the device automatically. This address will be active to the first reboot of the 
gateway.  
3.1.1.5 ‘Upgrade’ submenu 
Use the submenu to update the device control program.  
 
–  Firmware image to upload: – firmware file selection – you should select *.tgz. archive file. 
Select  firmware  file  and  click  ‘Upgrade’  button  to  upgrade  firmware  of  the  device.  The  process  of 
upgrading a firmware can take a few minutes, after that the device will automatically reboot. 
Do not switch off or reboot the device during the software update.