Screen Reference
Trunk Group
Administrator’s Guide for Avaya Communication Manager
1319
November 2003
Marginal Threshold - Maximum C Message
Noise
Marginal Threshold - Maximum C Notched
Noise
Marginal Threshold - Minimum SRL-HI
Marginal Threshold - Minimum SRL-LO
Maximum Percentage of Trunks Which Can
Be Removed From Service by ATMS
Appears when the Allow ATMS Busyout, Error Logging and Alarming field is y.
Valid entries
Usage
15 to 55
Enter the maximum C-message noise phone as measured within the
voice band frequency range (500 to 2500 Hz) allowed before
reporting a trunk as out of tolerance. Smaller values are more
restrictive.
Valid entries
Usage
34 to 74
Enter the maximum C-notched signal dependent noise interference
in dBmC allowed before reporting a trunk as out of tolerance.
Smaller values are more restrictive.
Valid entries
Usage
0 to 40
Enter the minimum high-frequency signaling return loss in dB
allowed before reporting a trunk as out of tolerance. Larger values
are more restrictive.
Valid entries
Usage
0 to 40
Enter the minimum low-frequency signaling return loss in dB
allowed before reporting a trunk as out of tolerance. Larger values
are more restrictive.
Valid entries
Usage
0, 25, 50, 75,
100
Enter the highest percentage of trunks from the trunk group that can
be removed from service at one time because of unacceptable
transmission measurement results.