Page 40
Digium, Inc.
Release 1.0
Chapter 5: Troubleshooting
3.
Check to see if your hard drives are running with dma levels set.
Perform an
hdparm
on your hard drive interface.
If you are still having problems contact your reseller where the card
was purchased, or Digium Technical Support (877.546.8963 or
1.877.LINUXME!).
There is a slight echo. How can I adjust the sound quality?
There are several options available to correct this. Each involves editing
the
zapata.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 command from within Asterisk:
show applications
Digium also offers services to help configure and add features you might
need. Contact Digium Technical Support (877.546.8963 or
1.877.LINUXME!) for more information.
Summary of Contents for TDM400P
Page 1: ...TDM400P User s Manual June 28 2005 Release 1 0...
Page 12: ...Page 12 Digium Inc Release 1 0 Table Of Contents...
Page 30: ...Page 30 Digium Inc Release 1 0 Chapter 2 Card Installation...
Page 36: ...Page 36 Digium Inc Release 1 0 Chapter 3 Configuration...
Page 42: ...Page 42 Digium Inc Release 1 0 Chapter 5 Troubleshooting...
Page 48: ...Page 48 Digium Inc Release 1 0 Appendix A Pin Assignments...
Page 58: ...Page 58 Digium Inc Release 1 0 Appendix C Asterisk Configuration Commands...
Page 62: ...Page 62 Digium Inc Release 1 0 Appendix D Dial Plan Applications...
Page 72: ...Page 72 Digium Inc Release 1 0 Appendix E Glossary and Acronyms...