Digium, Inc. Page 53
Chapter 5: Troubleshooting
There is a slight echo. How can I adjust the sound quality?
There are several options available to correct this. Each involves editing
the
chan_dahdi.conf file. Be sure to restart Asterisk upon completion.
1. Adjust echocancel = yes to one of the following values: 32, 64, 128,
or 256
.
2. You can also set
echotraining = yes.
3. You can also adjust the
rxgain and the txgain, although it is only
recommended to shift between
-5 and 5.
How can I enable more features?
To view all of the options available to add to your dial plan, type the
following commands from within Asterisk:
*CLI> core show applications
*CLI> core show functions
Digium also offers services to help configure and add features you might
need. Contact Digium Technical Support at 1.877.DIGIUM.1
(1.877.344.4861) for more information.
http://ArtTel.ru
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