30  VoIP Subscriber Gateways 
 
When  VoIP  service  is  enabled,  VoIP  application  will  use  VoIP  service  configuration  for  its 
operation.  If  VoIP  service  is  disabled  then  VoIP  application  use  Internet  network  configuration  for 
operation.  
Management service name does not mean that it can be used only for device management. The 
service can be used for various user needs. However, if TR-069 client is run up on the device, it will use 
Management  service  configuration  for  its  operation.  If  the  service  is  disabled,  TR-069  client  uses 
Internet configuration for its operation. 
Internet – key service, it cannot be disabled. The rest of the 
services are additional and can be disabled. 
To  configure  or  check  service  settings,  click  corresponding  button  at  the  top  of  ‘Network 
settings’ page. 
It is important to know that you cannot use the same VLAN IDs for different services.  
It is important to avoid the presence of the same subnet IP addresses (within one service 
as well as several services) on different network interfaces. 
The ‘Network settings’ submenu. Internet service 
 
WAN settings – use this field for WAN interface settings.  
Connection  mode  –  select  connection  method  to  WAN  from  the  drop  down  list  (option  is 
available for configuration only in Internet): 
-  Wired  connection  –  Internet  connection  is  performed  only  through  Ethernet-cable  by 
using WAN port; 
-  Wireless  connection  only  (3G/4G)  –  Internet  connection  is  performed  via  wireless  USB 
3G/4G modem  (via  mobile  telephone  network). To  configure modem,  you should  click 
link ‘Setup 3G/4G USB modem’; 
-  Switch  to  reserve  channel  automatically  –  Internet  connection  is  performed  via  key 
channel  (it  is  assigned  in  the  main  submenu  in  the  ‘Preferred  channel’  field)  and 
automatic  transfer  will  be  performed  via  backup  channel  in  case  of  vanishing  the 
Internet access via main channel.  
To configure USB-modem, click the ‘Setup 3G/4G USB modem’ link.