Here is the patch file which I use (I manually removed some other parts of the patch, so I hope it is okay!) - It should be sufficient to get you going.
cd into the zaptel-1.0.9.2 source directory, and patch -p1 <zap-patch.txt Cheers, Steve On 3/15/06, Colin Anderson <[EMAIL PROTECTED]> wrote: > Is it onerous to backport or is it a case of fiddling around with the > makefile? Care to post a backported tar? > > -----Original Message----- > From: Steve Davies [mailto:[EMAIL PROTECTED] > Sent: Wednesday, March 15, 2006 2:47 PM > To: [email protected] > Subject: [Asterisk-Users] Echo canceller data-points > > > In case this is useful to someone... > > Initially running * 1.0.7 and the default canceller, about 1 in 20 E1 > PRI calls still had echo, sometimes quite bad. > > Updated to * 1.0.9, and backported KB1 from 1.2 HEAD to this build - > No noticable change over the previous version, but we ran with it > anyway as the small changes in the EC code looked sensible. > > Recently we backported MG2 from Zaptel 1.2.4 into our * 1.0.9 build, > and noticed a significant improvement. > > I thought I would try the 1.2 trunk/HEAD version of MG2 with the extra > knobs and whistles, but found 2 problems. This version trains even a > normally clean line in about 10 seconds, rather than instantly, and > its CPU usage is through the roof compared to the 1.2.4 version of the > code. (FYI I got very similar resuls at all intermediate SVN versions > of the MG2 canceller between 1.2.4 and HEAD) > > My advice: Go with the 1.2.4 MG2 echo canceller, perhaps if you have > plenty of spare CPU the newer code will become useful, but I could not > cancel even 20 PRI channels using a 1GHz processor on the latest code > - I got clicks, buzzing and eventually a dead PRI. With the 1.2.4 > branch I had 40% CPU free when cancelling 30 channels. > > Hope this helps. > > Cheers, > Steve
zap-patch.txt.gz
Description: GNU Zip compressed data
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