
Panasonic Digital Business System - Operating Instructions
March 1997 Issue 24
78
Internal Dial Tone Mute
An extension can mute the system internal dial tone (IDT) by following the steps below. The sequence is a toggle
so the internal dial tone can be switched back on by repeating the process.
[Operation]
1 Press ON / OFF
2 Dial #50
3 Press ON / OFF
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