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VoIP subscriber gateways  63 
  Call  forward  on  busy  number  (CFB  number)  –  number  that  incoming  calls  will  be 
forwarded to when the subscriber is busy and Call forward on busy service is enabled (in 
SIP  profile  being  used,  a  prefix  for  this  direction  should  be  defined  in  the  numbering 
schedule.); 
–  Call  forward  on  no  answer  (CFNA)  –  when  active,  all  incoming  calls  will  be  forwarded  to  the 
specified number, if there is no answer from the subscriber. When flag is set, fill in the following 
fields: 
  Call forward on no answer (CFNA number) – number that incoming calls will be forwarded 
to when there is no answer from the subscriber and Call forward on no answer service is 
enabled  (in  SIP  profile  being  used,  a  prefix  for  this  direction  should  be  defined  in  the 
numbering schedule.); 
  CFNA timeout, sec – time interval that will be used for call forwarding when there is no 
answer from the subscriber, in seconds; 
–  Do  not  disturb  (DND)  –  when  checked,  temporary  restriction  is  placed  for  incoming  calls  (DND 
service – Don’t Disturb); 
–  CLIR – caller ID service restriction: 
–  Off – CLIR service is disabled; 
–  SIP:From – ‘anonymous’ will be sent in the ‘From’ header of ‘SIP’ message; 
–  SIP:From and SIP:Contact – «anonymous» will be sent in the ‘From’ and ‘Contact’ headers 
of SIP messages.  
When  multiple  services  are  enabled  simultaneously,  the  priority  will  be  as  follows  (in  the  descending 
order): 
–  CFU; 
–  DND; 
–  CFB, CFNA. 
3.1.4.3.2 FXS profiles 
Click  ‘FXS  status’  button  for  fast  transition  to  the  ‘Status/Telephony’  submenu  (section  4.2.8),  where 
monitoring statistic of subscriber line unit, call group and serial group is available.  
Delete profile is not recommended, if it is used by only one port. 
 
Click   button in ‘Action' column of ‘FXS profiles’ table to edit profile. To delete it, click   button. To 
add new profile, click ‘Add new profile’ button. The list of FXS profile settings is shown below.