Avaya Communication Manager Administrator's Manual page 1566

Screen Reference
Global Classifier Adjustment (dB)
Enter a number to specify the dB loss adjustment.
Valid entries
0 to 15
USA Default Algorithm
Valid entries
y/n
USA SIT Algorithm
Valid entries
y
n
1566 Administrator Guide for Avaya Communication Manager
Usage
0 is the least and 15 the most adjustment.
Usage
To use the default United States tone detection, set this field to y. If you
enter n, the US Special Information Tones (SIT) Algorithm field
appears.
Usage
To use the United States (SIT) tone characteristics for SIT tone detection.
The system treats tones with the administered tone name "intercept" as if
they were SIT VACANT, and treats tones with the administered tone name
"information" as if they were SIT UNKNOWN.