Instruction manual

MERLIN LEGEND Communications System Release 5.0
System Planning
555-650-112
Issue 1
June 1997
Lines/Trunks
Page 3-18Selecting Line/Trunk Options
3
■ To allow remote callers to use this feature, check Enable.
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.
!
SecurityAlert:
To help prevent toll fraud, barrier codes should always be assigned. The
barrier codes should also be the maximum length allowed.
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.
!
SecurityAlert:
To help prevent toll fraud, barrier codes should always be assigned. The
barrier codes should also be the maximum length allowed.
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
columns.
2. Check either the DID or Tie Trunk column or the Non-Tie
Trunk column.
3. Complete the Line/Trunk Type and Description column.
Include the different calling areas of WATS trunks and
different destinations for FX trunks.
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).
7. For Class of Restriction without Barrier Codes on Form 3a (page 3),
complete the DID and Tie Trunks and Non-Tie Trunks sections as follows:
a. For Restriction, check one of the following three boxes:
Unrestricted, Outward Restrict (to keep the factory setting), or Toll
Restrict.