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authorKinsey Moore <kmoore@digium.com>2010-12-09 22:44:52 +0000
committerKinsey Moore <kmoore@digium.com>2010-12-09 22:44:52 +0000
commit9766940e959c603192612c59e446945bb4b3583b (patch)
tree48a9804185f7f7ffbb10ab54a8a640dc6ca0201c
parent8a2d7dc1635b9058dcb0c1d70d3e3d3286b4037c (diff)
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.asterisk.org/svn/dahdi/tools/trunk@9528 a0bf4364-ded3-4de4-8d8a-66a801d63aff
-rw-r--r--README4
-rw-r--r--UPGRADE.txt7
-rw-r--r--system.conf.sample7
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: