New echo canceller mods based on KB1. If you have echo, try MG2 out.

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@798 5390a7c7-147a-4af0-8ec9-7488f05a26cb

2 files changed, 6 insertions, 0 deletions

diff --git a/zaptel.h b/zaptel.h
index 59b4aa5..612637c 100755
--- a/zaptel.h
+++ b/zaptel.h
@@ -163,6 +163,8 @@
 #include "mec2.h"
 #elif defined(ECHO_CAN_KB1)
 #include "kb1ec.h"
+#elif defined(ECHO_CAN_MG2)
+#include "mg2ec.h"
 #else
 #include "mec3.h"
 #endif
diff --git a/zconfig.h b/zconfig.h
index 368ed9c..952c2a5 100755
--- a/zconfig.h
+++ b/zconfig.h
@@ -50,6 +50,10 @@
 /* #define ECHO_CAN_MARK2 */
 /* #define ECHO_CAN_MARK3 */
 #define ECHO_CAN_KB1
+/* MG2 is a version of KB1 that has some changes to it that are
+ * supposed to improve how it performs.  If you have echo problems,
+ * try it out! */
+/* #define ECHO_CAN_MG2 */
 
 /*
  * Uncomment for aggressive residual echo supression under