Signaling, Tones, and Transmission
New Zealand
Tone Plan
Tone
Frequency
(Hz)
Cadence (s)
ARS 2nd Dial 400 Continuous
Busy 400 0.5 on, 0.5 off, repeat
Camp-on 520 0.2 on, off
Conference 400 0.6 on, off
Confirmation 1400 Continuous
Dial Tone 400 Continuous
Feature Active Dial 400 0.75 on, 0.75 off, then continuous
Interrupted Dial 400 0.75 on, 0.75 off, then continuous
Message Notification 400/520/400 400 (0.75 on, 0.75 off) x 2, then 520 (0.2 on, 0.75 off) x 1, then 400 (0.75 on, 0.75
off, repeat forever)
Modem Answer 2025 0.95 on, 0.05 off, repeat
Override 1400 0.3 on, off
Paging 440 0.2 on, off
Reorder 400 0.075 on, 0.1 off, 0.075 on, 0.75 off, repeat
Ringback 400/450 1 on, 2 off, repeat
Special Busy 400 0.35 on, 0.35 off, repeat
Special Ringback 400/450 0.4 on, 0.2 off, 0.4 on, 2.0 off, repeat forever
Transfer Dial 400 (0.1 on, 0.1 off) x 3, then continuous
Voice Mail 440 0.6 on, off
Tone
Output Level (in dBm)
iONS
abONS
ONS iOPS OPS
iACO
abACO
abACOhl
iACOs ACO ACOs DCO ATT
ARS 2nd Dial -11 -9 --- -10 -9 -8 -10 -10 -10 -10
Busy -11 -9 --- -10 -9 -8 -10 -10 -10 -10
Dial -11 -9 --- -10 -9 -8 -10 -10 -10 -10
Camp-on -11 -9 --- -10 -7 -6 -8 -8 -8 -8
Conference -14 -12 --- -13 -10 -8 -11 -11 -11 -11
Confirmation -11 -9 --- -10 -9 -8 -10 -10 -10 -10
Feature Active Dial -11 -9 --- -10 -9 -8 -10 -10 -10 -10
Interrupted Dial -11 -9 --- -10 -9 -8 -10 -10 -10 -10
Message Notification -11
-13
-11
-9
-11
-9
---
-10
-12
-10
-9
-11
-9
-8
-10
-8
-10
-12
-10
-10
-12
-10
-10
-12
-10
-10
-12
-10
Modem Answer -20 -18 --- -19 -16 -15 -17 -17 -17 -17
Override -13 -11 --- -12 -9 -8 -10 -10 -10 -10
Paging -17 -15 --- -16 -13 -12 -14 -14 -14 -14
Reorder -11 -9 --- -10 -9 -8 -10 -10 -10 -10
Ringback -11 -9 --- -10 -9 -8 -10 -10 -10 -10
Special Busy -11 -9 --- -10 -9 -8 -10 -10 -10 -10
Special Ringback -11 -9 --- -10 -9 -8 -10 -10 -10 -10
Transfer Dial -11 -9 --- -10 -9 -8 -10 -10 -10 -10
Voice Mail -17 -15 --- -16 -13 -12 -14 -14 -14 -14