2.7.4 Dial Tone Transfer
Description
An extension assigned as the manager can change the TRS/Barring level (® 2.7.1 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
12.1.4 PBX Configuration—[4-1-4] Extension—Wired Extension—Flexible Button
→ Type
→ Parameter Selection (for TRS Level Change)
12.2.3 PBX Configuration—[4-2-3] Extension—Portable Station—Flexible Button
→ Type
→ Parameter Selection (for TRS Level Change)
Feature Manual References
2.21.2 Flexible Buttons
Operating Manual References
2.1.3 Restriction Level Control (Dial Tone Transfer)
Feature Manual 141
2.7.4 Dial Tone Transfer
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