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Problem Resolution
Parameter # Description Units
54 PSTN dial tone frequency 2. Center frequency for the second component of the
PSTN dial tone.
Country Default
United States 440
Australia 0
France 510
Germany 435
Netherlands 415
United Kingdom 355
India 440
Korea 440
China 440
1 Hz (0 Hz
to 1200 Hz)
55 PSTN dial tone frequency 3. Center frequency for the third component of the
PSTN dial tone.
Country Default
United States 0
Australia 0
France 370
Germany 460
Netherlands 475
United Kingdom 0
India 0
Korea 0
China 0
1 Hz (0 Hz
to 1200 Hz)
56 PSTN dial tone frequency 4. Center frequency for the fourth component of the
PSTN dial tone.
Country Default
United States 0
Australia 0
France 300
Germany 0
Netherlands 535
United Kingdom 0
India 0
Korea 0
China 0
1 Hz (0 Hz
to 1200 Hz)
57 Special dial tone detect. Indicates the frequency combination that is used to
identify a special dial tone.
Country
Default
United States 0
Australia 0
France 13
Germany 0
Netherlands 0
United Kingdom 1
India 0
Korea 0
China 0
0=no freq.
1=1
2=2
3=1&2
5=1or2
6=1&2or3&4
7=1or2or3&4
8=1&2or3or4
9=1or2or3or4
10=1&2&3&4
11=1or2&3&4
12=1&2&3or4
13=1or2&3or4
14=1or2or3