Hardware Technical Reference Manual
China
Tone Plan
Tone
Frequency
(Hz)
Cadence (s)
ARS 2nd Dial 450 Continuous
Busy 450 0.35 on, 0.35 off, repeat
Camp-on 450 0.4 on, off
Conference 450 1.0 on, off
Confirmation 350/440 Continuous
Dial Tone 450 Continuous
Feature Active Dial 450 0.4 on, 0.4 off, then continuous
Interrupted Dial 450 0.4 on, 0.4 off, then continuous
Message Notification 350/440 400
350/440
350/440 (0.75 on, 0.75 off) x 2, then 400 0.1 on, 0.75 off, then 350/440 0.75 on,
0.75 off, then 350/440 continuous
Modem Answer 2025 0.95 on, 0.05 off, repeat
Override 440 0.8 on, off
Paging 440 0.2 on, off
Reorder 450 (0.1 on, 0.1 off) x 3, then 0.4 on, 0.4 off, repeat
Ringback 450 1 on, 4 off, repeat
Special Busy 350/440 0.35 on, 0.35 off, repeat
Special Ringback 400/450 0.4 on, 0.2 off, 0.4 on, 4 off, repeat
Transfer Dial 450 0.4 on, 0.04 off, then continuous
Tone
Output Level (in dBm)
ONS abONS OPS ACO abACO ACOs abACOs DCO ATT
ARS 2nd Dial -3 -12 -4 -4 -7 -4 -7 -5 -10
Busy -3-12-4-4-7-4-7-5 -10
Camp-on -13 -22 -14 -14 -17 -14 -17 -15 -20
Conference -14 -23 -15 -15 -18 -15 -18 -16 -21
Confirmation -3-12-4-4-7-4-7-5 -10
Dial -3-12-4-4-7-4-7-5 -10
Feature Active Dial -3 -12 -4 -4 -7 -4 -7 -5 -10
Interrupted Dial -3 -12 -4 -4 -7 -4 -7 -5 -10
Message Notification -3,-4,-3 -12,-13,-12 -4,-5,-4 -4,-5,-4 -7,-8,-7 -4,-5,-4 -7,-8,-7 -5,-6,-5 -10,-11,-10
Modem Answer -15 -24 -16 -16 -19 -16 -19 -17 -22
Override -12 -23 -13 -13 -16 -13 -16 -14 -19
Paging -12 -21 -13 -13 -16 -13 -16 -14 -19
Reorder -3-12-4-4-7-4-7-5 -10
Ringback -3 -12 -4 -4 -7 -4 -7 -5 -10
Special Busy -3-12-4-4-7-4-7-5 -10
Special Ringback -7 -16 -8 -8 -11 -8 -11 -9 -14
Transfer Dial -3-12-4-4-7-4-7-5 -10
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