[Pkg-voip-commits] [dahdi-tools] 16/285: README, UPGRADE.txt, system.conf.sample: Add documentation for using HWEC

[tzafrir at debian.org]

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tzafrir pushed a commit to branch master
in repository dahdi-tools.

commit 249baf1db34f082791e09d2777a0a2123bc96b8f
Author: Kinsey Moore <kmoore at digium.com>
Date:   Thu Dec 9 22:44:52 2010 +0000

    README, UPGRADE.txt, system.conf.sample: Add documentation for using HWEC
    
    Update documentation to the effect that HWEC is not enabled by default
    and must be enabled manually if desired via "echocanceller" in system.conf.
    
    
    git-svn-id: http://svn.astersk.org/svn/dahdi/tools/trunk@9528 17933a7a-c749-41c5-a318-cba88f637d49
---
 README             | 4 +++-
 UPGRADE.txt        | 7 +++----
 system.conf.sample | 7 ++++---
 3 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/README b/README
index a298a6b..162b4bf 100644
--- a/README
+++ b/README
@@ -106,7 +106,9 @@ channels, and send it to the kernel.
 A sample annotated system.conf is included in this directory and
 installed by default. Edit it to suit your configuration. Alternatively 
 use the script dahdi_genconf to generate one that should work with your 
-system.
+system. Note that while dahdi_genconf will generate a working configuration,
+it will not automatically detect hardware echo cancellation modules.  These
+will have to be enabled manually in system.conf.
 
 /etc/dahdi/init.conf
 ~~~~~~~~~~~~~~~~~~~~
diff --git a/UPGRADE.txt b/UPGRADE.txt
index f26e09d..cd694de 100644
--- a/UPGRADE.txt
+++ b/UPGRADE.txt
@@ -62,10 +62,9 @@ Any or all of these modules can be loaded at the same time, and the echo
 canceler to be used on the system's channels can be configured using
 the dahdi_cfg tool from the dahdi-tools package.
 
-IMPORTANT: It is *mandatory* to configure an echo canceler for the
-system's channels using dahdi_cfg unless the interface cards in use
-have echo canceler modules available and enabled. There is *no*
-default software echo canceler with DAHDI. See
+IMPORTANT: It is *mandatory* to configure an echo canceler for the system's
+channels using dahdi_cfg. There is *no* default echo canceler with DAHDI, not
+even hardware echo cancellation modules. See
 <<_echo_cancellers,section on echo cancellers>> in sample system.conf.
 
 
diff --git a/system.conf.sample b/system.conf.sample
index ff6e3b9..16d243a 100644
--- a/system.conf.sample
+++ b/system.conf.sample
@@ -312,10 +312,11 @@ defaultzone=us
 # cancellers are compiled and installed as part of the dahdi-linux package.
 # You can specify in this file the echo canceller to be used for each
 # channel. The default behavior is for there to be NO echo canceller on any
-# channel, so it is very important that you specify one here if you do
-# not have hardware echo cancellers and need echo cancellation.
+# channel, so it is very important that you specify one here.
 #
-# Valid echo cancellers are: mg2, kb1, sec2, and sec.
+# Valid echo cancellers are: hwec, mg2, kb1, sec2, and sec.
+# 'hwec' is a special echo canceller that should be used if hardware echo
+# cancellation is desired on and available on the specified channels.
 # If compiled, 'hpec' is also a valid echo canceller.
 # 
 # To configure the default echo cancellers, use the format:

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