Index: rtp.c
===================================================================
--- rtp.c	(revision 190091)
+++ rtp.c	(working copy)
@@ -3194,6 +3194,10 @@
 					    rtp->rtcp ? rtp->rtcp->rtt : 0);
 	if (rtp->smoother)
 		ast_smoother_free(rtp->smoother);
+	if (g_srtp_res && rtp->srtp) {
+		g_srtp_res->destroy(rtp->srtp);
+		rtp->srtp = NULL;
+	}
 	if (rtp->ioid)
 		ast_io_remove(rtp->io, rtp->ioid);
 	if (rtp->s > -1)