12.1.4 PBX Configuration—[4-1-4] Extension—Wired Extension—Flexible Button
Value Range
Max. 5 digits (consisting of 0–9)
Feature Guide References
2.28.3 Voice Mail DPT (Digital) Integration
3.1.1 Unified Messaging System Overview
Extension Number (for Voice Mail Transfer)
Specifies the floating extension number of the UM/VM (DTMF/DPT) group containing the desired mailbox.
Value Range
Max. 8 digits (consisting of 0–9)
Feature Guide References
2.28.2 Voice Mail DTMF Integration
2.28.3 Voice Mail DPT (Digital) Integration
3.1.1 Unified Messaging System Overview
Extension Number (for SDN)
Specifies the floating extension number of the PDN extension corresponding to this SDN button.
Note that the extension specified here must have a PDN button registered for the SDN button to function.
Value Range
Max. 5 digits (consisting of 0–9)
Feature Guide References
2.9.1 Primary Directory Number (PDN)/Secondary Directory Number (SDN) Extension
Extension Name
Indicates the name of the extension, when an extension number is specified (reference only).
Value Range
Max. 20 characters
Dial (for One-touch)
Specifies the number to be dialled. The PBX can have a maximum of 2000 One-touch Dialling buttons for
extensions.
Value Range
Max. 32 digits (consisting of 0–9, *, #, T [Transfer], [ ] [Secret], P [Pause], and F [Flash])
Feature Guide References
2.6.2 One-touch Dialling
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PC Programming Manual