1.9.4 Dial Tone Transfer
Description
An extension assigned as the manager can change the TRS/Barring level (® 1.9.1 Toll Restriction (TRS)/Call
Barring (Barring)) for an extension user temporarily. After that, the extension user can make his call.
[Example] An extension user can call a manager to release the restriction on outgoing calls (e.g., international
calls).
(1) Call
(2) Change
TRS/Barring level
(3) Make a trunk call
Toll Restriction/
Call Barring button
Manager
Guest Room
(Trunk call
restricted)
Conditions
• The modified TRS/Barring level only applies to the next one call placed at the user’s extension.
• Toll Restriction/Call Barring Button
A manager extension must store the desired TRS/Barring level in the Toll Restriction/Call Barring button.
A flexible button can be customised as the Toll Restriction/Call Barring button.
PC Programming Manual References
6.5 [4-1-4] Wired Extension—Flexible Button
→ Type
→ Parameter Selection (for TRS Level Change)
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)
Feature Guide References
1.20.2 Flexible Buttons
User Manual References
2.1.3 Restriction Level Control (Dial Tone Transfer)
Feature Guide 137
1.9.4 Dial Tone Transfer