32  VoIP Subscriber Gateways 
 
-  Additional  parameters –  additional parameters of  initialization  (given  by provider; for 
example Megafon mobile operator CGDCONT=1,IP,internet); 
-  Called number – it is given by provider (for example the Megafon *99***1#); 
-  Access configuration – if necessary, set flags under required protocol. 
 
When ‘Switch to backup channel’ connection mode is selected, selection of preferred channel 
becomes available (but only for Internet): 
-  Preferred channel – select the type of preferred channel from drop down list:  
  Wired – channel via Ethernet WAN port of the device. 
  Wireless – channel via mobile communication network through USB-modem.  
-  Type of WAN Traffic – selection of traffic type (Untagged and Tagged); 
 
  VLAN ID – VLAN ID used for the service; 
  Priority (802.1p) – 1р priority settings for the VLAN ID;  
-  Protocol for WAN – protocol selection for establishing a connection: 
  Static – operation mode where IP address for WAN-interface is assigned statically. 
When  'Static'  type  is  selected,  the  following  parameters  will  be  available  for 
editing: