46  VoIP Subscriber Gateways 
 
  Secret phrase – encryption key is a string with length from 8 to 63 ASCII symbols; 
  Secret WPA key (Key) – set key with 64 characters of hexadecimal number system; 
-  Authorization  on  a  RADIUS-server  –  when  checked,  use  authorization  on  a  RADIUS-
server.  When  the  parameter  is  selected,  the  following  settings  will  be  available  for 
editing: 
 
  Server Address – domain name or IPv4 address of authorization server; 
  Server Port – server port for authorization; 
  Secret key – secret key for access to server of authorization; 
  Authentication  algorithm  –  select  authorization  algorithm  (MSCHAPv2,  MSCHAP, 
CHAP, PAP). 
Username  for  client  authentication  on  RADIUS  server  is  equal  to  its  MAC  address 
(lowercase letter without separator symbols between bytes) and key of RADIUS server is 
used as password.   
-  Replication of multicast traffic – enable replication mode for multicast traffic. When this 
parameter is selected, the following configuration will be available: 
  Maximum count of errors – max count of transmission errors upon the exceeding of 
which it is considered that the user out of network range. It is used to disable users 
in the replication mode of multicast traffic; 
-  Show advanced settings – when checked, configuring the addition settings are available 
from the following list: 
  HT40+ – when checked, merge mode of two 20 MHz channels into 40 MHz channel 
is enabled (the first channel is over the second, it operates only for 1-9 channels); 
  HT40- – when checked , merge mode of two 20 MHz channels into 40 MHz channel 
(the second is over the first, it operates only for 5-11 channels); 
  LDPC  support  –  when  checked,  support  of  coding  with  low-density  parity-check 
code is enabled; 
  SMPS  -  Static –  when  checked, Spatial Multiplexing Power Save Static method is 
available;