[asterisk-users] bug? 'dahdi show channel x' HWEC echo cancellation display is incorrect while not on a call

Justin Killen jkillen at allamericanasphalt.com
Thu Dec 20 18:02:07 CST 2012


This is highly confusing.  It would be nice if at least the display gave the configured value as well.

-Justin Killen

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Russ Meyerriecks
Sent: Thursday, December 20, 2012 3:21 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] bug? 'dahdi show channel x' HWEC echo cancellation display is incorrect while not on a call

On Thu, Dec 20, 2012 at 03:13:01PM -0800, Justin Killen wrote:
> When doing a 'dahdi show channel X' from the asterisk console, when the line
> is not part of a call the echo cancellation line ALWAYS says 'currently OFF'.
> Once a call is in progress, it will change to 'ON'.  Is this a bug, or is the
> behavior by design?

This is expected behavior. From a DAHDI perspective: The echocan chip's
channels are allocated on demand during channel setup and de-allocated on
channel teardown.

-- 
Russ Meyerriecks
Digium, Inc. | Linux Kernel Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
direct: +1 256-428-6025
Check us out at: www.digium.com & www.asterisk.org

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