Index: asterisk-11.20.0/res/res_rtp_asterisk.c
===================================================================
--- asterisk-11.20.0.orig/res/res_rtp_asterisk.c	2015-11-11 10:01:04.000000000 +0000
+++ asterisk-11.20.0/res/res_rtp_asterisk.c	2015-11-11 10:01:04.000000000 +0000
@@ -4727,7 +4727,7 @@
 			return;
 		} else {
 			if (rtp->rtcp) {
-				if (rtp->rtcp->schedid > 0) {
+				if (rtp->rtcp->schedid > -1) {
 					if (!ast_sched_del(rtp->sched, rtp->rtcp->schedid)) {
 						/* Successfully cancelled scheduler entry. */
 						ao2_ref(instance, -1);
@@ -4975,7 +4975,7 @@
 	}
 #endif
 
-	if (rtp->rtcp && rtp->rtcp->schedid > 0) {
+	if (rtp->rtcp && rtp->rtcp->schedid > -1) {
 		if (!ast_sched_del(rtp->sched, rtp->rtcp->schedid)) {
 			/* successfully cancelled scheduler entry. */
 			ao2_ref(instance, -1);
Index: asterisk-11.20.0/channels/chan_sip.c
===================================================================
--- asterisk-11.20.0.orig/channels/chan_sip.c	2015-11-11 10:01:04.000000000 +0000
+++ asterisk-11.20.0/channels/chan_sip.c	2015-11-11 10:01:04.000000000 +0000
@@ -20994,7 +20994,7 @@
 		return CLI_SHOWUSAGE;
 	
 	if ((peer = sip_find_peer(a->argv[2], NULL, load_realtime, FINDPEERS, TRUE, 0))) {
-		if (peer->expire > 0) {
+		if (peer->expire > -1) {
 			AST_SCHED_DEL_UNREF(sched, peer->expire,
 				sip_unref_peer(peer, "remove register expire ref"));
 			expire_register(sip_ref_peer(peer, "ref for expire_register"));
@@ -21578,7 +21578,7 @@
        while ((peer = ao2_t_iterator_next(&i, "iterate thru peers table"))) {
 	       if (!strncasecmp(word, peer->name, wordlen) &&
 		   (!flags2 || ast_test_flag(&peer->flags[1], flags2)) &&
-		   ++which > state && peer->expire > 0)
+		   ++which > state && peer->expire > -1)
 		       result = ast_strdup(peer->name);
 	       if (result) {
 		       sip_unref_peer(peer, "toss iterator peer ptr before break");
@@ -31146,13 +31146,11 @@
 /*! \brief Set peer defaults before configuring specific configurations */
 static void set_peer_defaults(struct sip_peer *peer)
 {
-	if (peer->expire == 0) {
+	if (peer->expire < 0) {
 		/* Don't reset expire or port time during reload
 		   if we have an active registration
 		*/
-		peer->expire = -1;
-		peer->pokeexpire = -1;
-		peer->keepalivesend = -1;
+		peer_sched_cleanup(peer);
 		set_socket_transport(&peer->socket, SIP_TRANSPORT_UDP);
 	}
 	peer->type = SIP_TYPE_PEER;
@@ -31239,6 +31237,10 @@
 	}
 
 	ast_atomic_fetchadd_int(&apeerobjs, 1);
+	peer->expire = -1;
+	peer->pokeexpire = -1;
+	peer->keepalivesend = -1;
+
 	set_peer_defaults(peer);
 
 	ast_copy_string(peer->name, name, sizeof(peer->name));
@@ -31358,6 +31360,10 @@
 			ast_debug(3, "-REALTIME- peer built. Name: %s. Peer objects: %d\n", name, rpeerobjs);
 		} else
 			ast_atomic_fetchadd_int(&speerobjs, 1);
+
+		peer->expire = -1;
+		peer->pokeexpire = -1;
+		peer->keepalivesend = -1;
 	}
 
 	/* Note that our peer HAS had its reference count increased */
Index: asterisk-11.20.0/channels/chan_iax2.c
===================================================================
--- asterisk-11.20.0.orig/channels/chan_iax2.c	2015-11-11 10:01:04.000000000 +0000
+++ asterisk-11.20.0/channels/chan_iax2.c	2015-11-11 10:01:04.000000000 +0000
@@ -7067,7 +7067,7 @@
 
 	p = find_peer(a->argv[2], 1);
 	if (p) {
-		if (p->expire > 0) {
+		if (p->expire > -1) {
 			struct iax2_peer *peer;
 
 			peer = ao2_find(peers, a->argv[2], OBJ_KEY);
@@ -7100,7 +7100,7 @@
 		struct ao2_iterator i = ao2_iterator_init(peers, 0);
 		while ((p = ao2_iterator_next(&i))) {
 			if (!strncasecmp(p->name, word, wordlen) && 
-				++which > state && p->expire > 0) {
+				++which > state && p->expire > -1) {
 				res = ast_strdup(p->name);
 				peer_unref(p);
 				break;