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4.3 Tone
150 User Manual
4.3 Tone
4.3.1 Tone
While on-hook
When going off-hook
Ring Tones
The following tones are
programmable allowing
recognition of call type
(Outside, Intercom or
Doorphone).
Tone 1
Tone 2
Tone 3
Tone 4
Dial Tones
Tone 1
Normal
1 s
1 s