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-rw-r--r--include/asterisk/frame.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asterisk/frame.h b/include/asterisk/frame.h
index 71e4ca908..102a637f4 100644
--- a/include/asterisk/frame.h
+++ b/include/asterisk/frame.h
@@ -303,6 +303,9 @@ enum ast_control_frame_type {
/* set channel into "Operator Services" mode */
#define AST_OPTION_OPRMODE 7
+/*! Explicitly enable or disable echo cancelation for the given channel */
+#define AST_OPTION_ECHOCAN 8
+
struct oprmode {
struct ast_channel *peer;
int mode;