Administrator's Guide

Screen reference
555-233-506774 Issue 5 October 2002
EC Configuration
Appears when Echo Cancellation is y on the DS1 Circuit Pack screen.
EC Direction
Direction of echo cancellation. Appears when Echo Cancellation is y on the DS1
Circuit Pack screen.
Echo Cancellation
Appears when DS1 Echo Cancellation is y on the System-Parameters
Customer-Options screen and circuit packs support echo cancellation.
Valid entries Usage
1-15 Four default echo cancellation configurations are available:
Enter 1, 5-15: provides the most rapid adaptation in detecting
and correcting echo at the beginning of a call.
Enter 2: slightly slower adaptation to echo, use if speech is
clipped when both parties talk at the same time.
Enter 3: slightly slower adaptation to echo, may result in a 2
or 3 second fade on strong echo
Enter 4: in cases of extreme echo, excessive clipping or
breakup of speech. May result in slight echo or background
noise.
Valid entries Usage
inward/outwa
rd
Indicate the direction of the echo that is being cancelled.
Valid entries Usage
y/n
Enter y to allow echo cancellation.