Panasonic KX-TDA100 Features Manual page 95

Conditions
WARNING
The software contained in the TRS/Barring feature to allow user access to the network
must be upgraded to recognise newly established network area codes and exchange
codes as they are placed into service.
Failure to upgrade the premises PBXs or peripheral equipment to recognise the new
codes as they are established will restrict the customer and the customer's employees
from gaining access to the network and to these codes.
KEEP THE SOFTWARE UP-TO-DATE WITH THE LATEST DATA.
• A COS should be assigned for each extension (
• TRS/Barring checks are applied to the following:
– ARS
– Trunk Access (Idle/Trunk Group/Individual)
• It is programmable whether " " or "#" is checked by the TRS/Barring. This is useful in
preventing unauthorised calls which could be possible through certain telephone
company exchanges.
• TRS/Barring checks the digits dialled after a flash/recall signal during a trunk call. It is
programmable whether TRS/Barring checks the digits dialled after the External Feature
Access signal during a trunk call.
• Host PBX Access Code/Special Carrier Access Code
TRS/Barring checks for numbers dialled with a Host PBX Access code or a Special
Carrier Access code in the following cases:
Type
Host PBX
Access Code
Special Carrier
Access Code
• ARS
If ARS is applied to a dialled number, TRS/Barring will check the user-dialled number (not
the modified number by ARS). In this case, a Host PBX Access code and/or a Special
Carrier Access code will not be checked.
• Dialled Digit Restriction During Conversation
Dialled digits can be restricted while engaged on a received trunk call. If the dialled digits
exceed the preprogrammed limitation, the line will be disconnected.
• A TRS/Barring level can be changed by some features. The priority of features, when
multiple features are used, is as follows:
1) Dial Tone Transfer
2) Budget Management
3) TRS/Barring Override for System Speed Dialling
4) Remote COS Access/Verified Code Entry
5) Extension Lock
1.7 Toll Restriction (TRS)/Call Barring (Barring) Features
Stored
Found
Deletes the code. A
TRS/Barring check is
carried out on the
following digits.
Deletes the code. A
TRS/Barring check is
carried out on the
following digits.
Class of Service)
Not found
The call is made
(excepted from TRS/
Barring).
TRS/Barring checks
the whole number.
Not stored
TRS/Barring checks
the whole number.
TRS/Barring checks
the whole number.
Feature Guide 95