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Old 04-27-2007, 12:50 AM   #1
Registered: Apr 2004
Distribution: redhat 9.0, fc4, redhat as 4
Posts: 522

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asterisk echo problem

i am using asterisk (tribox linux) 2.6.9. using rihno, and digium t110p card on asterisk and having 10 hardware ip phones 5 soft phone. i am getting echo while calling to outside (PSTN), while within network (sip) there isn't any echo.



checked every posibility txgain. e.g

can any have idea regarding this

Old 04-27-2007, 08:44 AM   #2
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Registered: Apr 2007
Posts: 4

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Suggestions to eliminate echo

First, update Zaptel. Trixbox ships with stale Zaptel drivers that often do not support newer hardware or include the latest improvements in echo cancellation. It's a pain, in part because Trixbox doesn't come with kernel headers, either. And then there's the chronic spinlock.h problem that Trixbox hasn't fixed in release after release... have you tried It's genuine Asterisk, distributed by Digium.

To eliminate the echo, check the following helpful knowledgebase articles:

With the suggestions in these articles, you should be able to put your gain settings back to normal and resolve echo trouble.

Hope this helps,
Old 01-15-2010, 07:09 AM   #3
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Registered: Jan 2010
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Lightbulb SoliCall - A commercial solution for echo removal

In addition to the built in option in Asterisk for echo removal, and specifically in case the origin of the echo is a far-end system (i.e. the echo tail is long), you might want to consider the PBXMate from SoliCall.


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