4.3.1 What is This Tone?
4.3 What is This Tone?
4.3.1 What is This Tone?
While on-hook
Ring Tones
The following tones are program-
mable allowing recognition of call
type (Outside, Intercom or Door-
phone).
Tone 1
Tone 2
Tone 3
Tone 4
When going off-hook
Dial Tones
Tone 1
Normal
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User Manual
1 s
1 s
1 s
1 s
1 s