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