Index: main/rtp.c
===================================================================
--- main/rtp.c	(revision 160645)
+++ main/rtp.c	(working copy)
@@ -3583,7 +3583,8 @@
 			rtp->txcount++;
 			rtp->txoctetcount +=(res - hdrlen);
 			
-			if (rtp->rtcp && rtp->rtcp->schedid < 1) 
+			/* Do not schedule RR if RTCP isn't run */
+			if (rtp->rtcp && rtp->rtcp->them.sin_addr.s_addr && rtp->rtcp->schedid < 1) {
 				rtp->rtcp->schedid = ast_sched_add(rtp->sched, ast_rtcp_calc_interval(rtp), ast_rtcp_write, rtp);
 		}