
1/1553-ANF 901 54 Uen E5 2016-05-16
8
T
ELEPHONE
INSTRUMENT
DBC 220
2.8.2 RINGING
SIGNALS
The following types of ringing signals are described:
Figure 3:
2.8.3 RINGING
OPTIONS
The following ringing options can be programmed for triple access lines, additional
lines and multiple represented lines, 10.1.7 To program ringing options on page 59.
0 =
silent
1 =
periodic ringing signal
2 =
delayed periodic ringing signal
3 =
one muted ringing signal
4 =
one muted delayed ringing signal
5 =
immediate speech connection with single tone burst controlled by function key
6 =
permanent immediate connection with single tone burst
The options 5 and 6 do not apply for multiple represented lines.
2.8.4
RINGING SIGNAL VOLUME
You can control the ringing signal volume by pressing the + key and the - key when the
telephone is idle (no call connected), when the telephone is ringing or when you are in
programming mode (10.1 Programming of features on page 57).