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Parameter # Description Units
24 Calling tone maximum OFF time. Maximum period of silence that can exist
between CNG tones for the tone sequence to be valid.
Country Default
United States 8000
Australia 8000
France 8000
Germany 8000
Netherlands 8000
United Kingdom 8000
India 8000
Korea 8000
China 8000
1 ms
(1000 ms to
15000 ms)
25 Calling tone maximum dropout time. Maximum duration of dropout which can
interrupt a CNG tone. If the dropout is less than this time, then the CNG tone will
be processed as a single continuous tone.
Country
Default
United States 100
Australia 100
France 100
Germany 100
Netherlands 100
United Kingdom 100
India 100
Korea 100
China 100
1 ms
(0 ms to
500 ms)
26 Calling tone minimum count. Minimum number of CNG tones that must be
detected for an incoming fax to be detected.
Country
Default
United States 2
Australia 2
France 1
Germany 2
Netherlands 2
United Kingdom 2
India 2
Korea 2
China 2
1 tone (1 tone
to 15 tones)
27 Calling tone detect threshold. Sets the detection threshold for any received CNG
tone. If the CNG tone is below this level it will not be detected.
Country Default
United States 350 (–0.1 dBm)
Australia 350 (–0.1 dBm)
France 450 (–0.1 dBm)
Germany 350 (–0.1 dBm)
Netherlands 350 (–0.1 dBm)
United Kingdom 350 (–0.1 dBm)
India 450 (–0.1 dBm)
Korea 350 (–0.1 dBm)
China 450 (–0.1 dBm)
10
(260 to 510)