Mike's PBX Cookbook

Trunk Group Restrictions (TGAR)

If a direct access code (ACOD) is used to access a route then the access restrictions to that route are controlled by TGAR (Trunk Group Access Restrictions) and TARG (Trunk Access Restriction Group). This also applies if LD 86 ESN, TGAR is YES (not by default).

The golden rule is:

When TARG and TGAR match, access is denied.

In this example, we will change a routes access restrictions (TARG) so that sets with a TGAR of 1, 2 or 3 cannot access the route, but sets with any other TGAR value can. Remember, if TGAR = TARG, the call is blocked, if TGAR ≠ TARG, the call is allowed. Only an exact match matters.

Changes are made to the Route Data Block (RDB) in LD 16. The RDB is printed in LD 21.
As always, hit enter at prompts you don't want to change - we only change TARG below (prefix a value with 'x' to remove it).

>ld 16
RDB000
MEM AVAIL: (U/P): 1094214    USED: 265657    TOT: 1359871
DISK RECS AVAIL: 2752
REQ  chg
TYPE rdb
CUST 0
ROUT 3
TKTP           (hit <enter> all the way down to TARG...)
:
STEP
ACOD
TARG 1 2 3     (add or remove values, separated by space. Prefix with 'x' to remove)
BILN
:              (hit <enter> until finished)
:

MEM AVAIL: (U/P): 1094214    USED: 265657    TOT: 1359871
DISK RECS AVAIL: 2752
REQ****
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