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2.7.1 Toll Restriction (TRS)/Call Barring (Barring)
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.
•
Dialling Digit Restriction during Conversation
The dialling of digits can be restricted while engaged on a received trunk call. If the number of dialled
digits exceeds the preprogrammed limitation, the line will be disconnected.
→ 15.5 PBX Configuration—[7-5] TRS—Miscellaneous—Dial Digits Limitation After Answering—Dial
Digits
•
It is possible to select through system programming whether the trunk is disconnected when the Inter-digit
time expires without the TRS/Barring check being completed.
→ 15.5 PBX Configuration—[7-5] TRS—Miscellaneous—Mode when Dial Time-out before TRS Check
–
If no disconnection is chosen, the TRS/Barring check will also be performed after the Inter-digit time
expires.
–
If disconnection is chosen, the line will be disconnected when the trunk Inter-digit time expires. This
also prevents EFA from being used.
This setting applies to all trunks.
•
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 (→ 2.7.4 Dial Tone Transfer)
2.
Budget Management (→ 2.7.2 Budget Management)
3.
TRS/Barring Override by System Speed Dialling
4.
Walking COS/Verification Code Entry
(→ 2.7.5 Walking COS, 2.7.6 Verification Code Entry)
5.
Extension Dial Lock
PC Programming Manual References
10.7.1 PBX Configuration—[2-7-1] System—Class of Service—COS Settings—TRS
→ TRS Level—Day, Lunch, Break, Night
→ TRS Level for System Speed Dialling
8.2 Users—User's Device Settings—COS
8.3.1 Users—User's Flexible Button—Wired Extension
→ Type
→ Parameter Selection (for TRS Level Change)
8.3.2 Users—User's Flexible Button—Portable Station
→ Type
→ Parameter Selection (for TRS Level Change)
15.1 PBX Configuration—[7-1] TRS—Denied Code
15.2 PBX Configuration—[7-2] TRS—Exception Code
15.3 PBX Configuration—[7-3] TRS—Special Carrier
15.5 PBX Configuration—[7-5] TRS—Miscellaneous
Feature Manual References
2.5.5.3 Trunk Access
2.6.4 Speed Dialling—Personal/System
2.7.3 Extension Dial Lock
2.8.1 Automatic Route Selection (ARS)
5.1.1 Class of Service (COS)
5.1.4 Time Service
6.1 Capacity of System Resources
112
Feature Manual
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