78             SMG digital gateway 
Options configuration for 'Transit E1' mode 
Options of  modem  and  fax detection  are  not  used  in 'Transit  E1'  mode.  The  tab  is  not  available in  this 
mode.  
4.1.7.8 Trunk Directions  
A  trunk  direction  is  a  set of  trunk  groups  united  in  one  direction. When  a  call  is  performed  to  a  trunk 
direction, the order of selection of the trunk groups in this direction can be chosen.  
 
To  create,  edit,  or  remove  trunk  directions,  use  the  Objects—Add  Object,  Objects—Edit  Object,  or 
Objects—Remove Object menus and the following buttons: 
     — Add Direction; 
     — Edit Direction Parameters;  
     — Remove Direction. 
To access a trunk direction, the device configuration should include prefixes which perform transition to 
this direction. 
 
 
  Name—name of the trunk direction. 
  TrunkGroup select mode—order of trunk group selection in the direction: 
–  Sequential forward—all trunk groups of the direction are selected in turns beginning from 
the first one in the list; 
–  Sequential back—all trunk groups of the direction are selected in turns beginning from the 
last one in the list; 
–  From  the  first  and  forward—the  first  free  trunk  group  of  the  direction  is  selected 
beginning from the first one in the list; 
–  From the last and back—the first free trunk group of the direction is selected beginning 
from the last one in the list. 
A list of trunk groups in the direction: