diff --git a/src/libmsc/call_leg.c b/src/libmsc/call_leg.c
index b797322..5720417 100644
--- a/src/libmsc/call_leg.c
+++ b/src/libmsc/call_leg.c
@@ -158,7 +158,8 @@
 		}
 		if (!established)
 			break;
-		call_leg_state_chg(cl, CALL_LEG_ST_ESTABLISHED);
+		if (cl->fi->state != CALL_LEG_ST_ESTABLISHED)
+			call_leg_state_chg(cl, CALL_LEG_ST_ESTABLISHED);
 		break;
 
 	case CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE: