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.
® 9.5 [7-5] 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.
® 9.5 [7-5] 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 (® 1.9.4 Dial Tone Transfer)
2. Budget Management (® 1.9.2 Budget Management)
3. TRS/Barring Override by System Speed Dialling
4. Walking COS/Verification Code Entry
(® 1.9.5 Walking COS, 1.9.6 Verification Code Entry)
5. Extension Dial Lock
PC Programming Manual References
4.11 [2-7-1] Class of Service—COS Settings—TRS
→
TRS Level—Day, Lunch, Break, Night
→ TRS Level for System Speed Dialling
6.1 [4-1-1] Wired Extension—Extension Settings—Main— COS
6.5 [4-1-4] Wired Extension—Flexible Button
→ Type
→ Parameter Selection (for TRS Level Change)
6.10 [4-2-1] Portable Station—Extension Settings—Main— COS
6.13 [4-2-3] Portable Station—Flexible Button
→ Type
→ Parameter Selection (for TRS Level Change)
6.17 [4-3] DSS Console
→ Type
→ Parameter Selection (for TRS Level Change)
9.1 [7-1] Denied Code
9.2 [7-2] Exception Code
9.3 [7-3] Special Carrier
9.5 [7-5] Miscellaneous
PT Programming Manual References
[300] TRS/Barring Override by System Speed Dialling
[301] TRS/Barring Denied Code
[302] TRS/Barring Exception Code
[501] TRS/Barring Level
[509] TRS/Barring Level for System Speed Dialling
[602] Class of Service
Feature Guide 133
1.9.1 Toll Restriction (TRS)/Call Barring (Barring)
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