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-rwxr-xr-xinclude/asterisk/frame.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asterisk/frame.h b/include/asterisk/frame.h
index a582bec12..bab5e0b56 100755
--- a/include/asterisk/frame.h
+++ b/include/asterisk/frame.h
@@ -83,6 +83,7 @@ struct ast_frame_chain {
#define AST_CONTROL_BUSY 5 /* Remote end is busy */
#define AST_CONTROL_TAKEOFFHOOK 6 /* Make it go off hook */
#define AST_CONTROL_OFFHOOK 7 /* Line is off hook */
+#define AST_CONTROL_CONGESTION 8 /* Congestion (circuits busy) */
/* Request a frame be allocated. source is an optional source of the frame,
len is the requested length, or "0" if the caller will supply the buffer */