User guide

VoIP phone ports Port configuration
iMG/RG Software Reference Manual (Voice Service)
6-66
The iMG detects a flash-hook event when the on-hook period falls within a a time window. The lower
bound of this window is one third of the configured flash-hook time, and the upper bound is the lesser
of on-hook time and double the configured flash-hook time.
6.3.1.5 Country-specific telecom tones
The iMG is able to reproduce the same country-specific telecom tones used by Central Offices or Foreign
Exchanges simply by selecting the preferred country via the VOIP EP ANALOGUE SET COUNTRY command.
Dial Tone, Busy Tone and Ring Back Tone refer to ITU-T E.180 specifications as reported in the following
table:
TABLE 6-12 Country-specific Telecom tones
Country Dial Tone Busy Tone Ring Back Tone
Frequency
(Hz)
Cadence
(msec)
Frequency
(Hz)
Cadence
(msec)
Frequency
(Hz)
Cadence
(msec)
Australia 425x25 Continuous 400 375 - 375 400x17 400 - 200 -
400 - 2000
Austria 450 Continuous 450 300 - 300 450 1000 - 5000
Belgium 425 Continuous 425 500 - 500 425 1000 - 3000
Canada 350+440 Continuous 480+620 500 - 500 440+480 2000 - 4000
China 450 Continuous 450 350 - 350 450 1000 - 4000
France 440 Continuous 440 500 - 500 440 1500 - 3500
Germany 425 Continuous 425 480 - 480 425 250 - 4000 -
1000 - 4000 -
1000 - 4000
Israel 400 Continuous 400 500 - 500 400 1000 - 3000
Italy 425 600 - 1000 -
200 - 200
425 200 - 200 425 1000 - 4000
Japan 400 Continuous 400 500 - 500 400x16 1000 - 2000
New Zealand 400 Continuous 400 500 - 500 400 + 450 400 - 200 -
400 - 2000
Norway no tone // 425 1000 - 4000 425 500 - 500
Russia no tone // 425 400 - 400 425 800 - 3200