____________________________________________________________________________________ 
____________________________________________________________________________________ 
72    VoIP subscriber gateways 
3.1.4.10 ‘Call History’ submenu 
For detailed description of parameter monitoring, see section 4.2.9.  
Call history saving  
To save ‘voip_history’ history file on local PC, click ‘Download call history file’ button.  
Viewing call history  
Click ‘View call history’ button to view call log of ‘Status/Call history’ section. 
Call history  size –  maximum number of log  records, may  take  values  from  0 to  20,000  strings. Enter '0' 
value to disable call history logging.  
To clear call history, click ' Clean history' button.  
To save changes into the device operative memory, click ‘Save changes’ button. To store settings into non-
volatile memory, click ‘Apply’ button. 
 
3.1.5 ‘Security’ menu 
Use  ‘Security’  menu  to  configure  firewall  (install  security  level  and  limit  of  transit  traffic).  Menu  is 
available for TAU-8.IP-W.  
3.1.5.1 ‘General’ submenu 
Use  this  submenu  to  provide  required  protection  level.  The  changes  of  the  submenu  will  be  applied 
without reboot.  
 
Security Level: 
–  No Security – incoming traffic is permitted (from WAN to WLAN), outputting traffic (from WLAN to 
WAN) is permitted; 
–  Inbound  Security  –  incoming  traffic  (from  WAN  to  WLAN)  is  forbidden,  outputting  traffic  (from 
WLAN to WAN) is permitted; 
–  Outbound Security  – incoming traffic is permitted (from WAN to WLAN), outputting traffic (from 
WLAN in WAN) forbidden;