AT&T MERLIN LEGEND Release 3.1 System Planning Manual page 91

Selecting Line/Trunk Options
4. Under the Barrier Required for Tie Trunks heading, check one of the
following:
If you plan to assign barrier codes to these trunks, check Yes.
If no barrier codes are planned for these trunks, check No.
!
5. Under the Barrier Codes Required for Non-Tie Trunks heading, check
one of the following:
If you plan to assign barrier codes to these trunks, check Yes.
If no barrier codes are planned for these trunks, check No.
!
6. Remote access should not be assigned to DID trunks and tie trunks that
are used for incoming customer calls. However, for all trunks to which
you are assigning remote access:
a. Transfer the information from Form 2c, System Numbering: Line/Trunk
Jacks to Form 3a:
(1) Write the logical ID and line/trunk number in the applicable
(2) Check either the DID or Tie Trunk column or the Non-Tie Trunk
(3) Complete the Line/Trunk Type and Description column. Include
b. For each line/trunk, check the Dedicated column (to indicate that it is
always used for remote access) or the Shared column (to indicate that
it is used for remote access when the system is in Night Service
operation)
SECURITY ALERT:
To help prevent toll fraud, barrier codes should always be
assigned. The barrier codes should also be the maximum length
allowed.
SECURITY ALERT:
To help prevent toll fraud, barrier codes should always be
assigned. The barrier codes should also be the maximum length
allowed.
columns.
column.
the different calling areas of WATS trunks and different
destinations for FX trunks.
3–19
Lines/Trunks