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

Russ Meyerriecks rmeyerriecks at digium.com
Thu Dec 20 17:21:20 CST 2012


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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