diff --git a/q931.c b/q931.c
index 47c19b1..03087a0 100755
--- a/q931.c
+++ b/q931.c
@@ -2183,7 +2183,8 @@ int q931_receive(struct pri *pri, q931_h *h, int len)
 			break;
 		}
 		if ((c->ourcallstate != Q931_CALL_STATE_CALL_INITIATED) &&
-		    (c->ourcallstate != Q931_CALL_STATE_OVERLAP_SENDING)) {
+		    (c->ourcallstate != Q931_CALL_STATE_OVERLAP_SENDING) && 
+		    (c->ourcallstate != Q931_CALL_STATE_OUTGOING_CALL_PROCEEDING)) {
 			q931_status(pri,c,PRI_CAUSE_WRONG_MESSAGE);
 			break;
 		}