diff --git res/pjproject/pjnath/src/pjnath/ice_session.c res/pjproject/pjnath/src/pjnath/ice_session.c
index 6bcf1e3..1d5436e 100644
--- res/pjproject/pjnath/src/pjnath/ice_session.c
+++ res/pjproject/pjnath/src/pjnath/ice_session.c
@@ -1614,7 +1614,7 @@ PJ_DEF(pj_status_t) pj_ice_sess_create_check_list(
 
     PJ_ASSERT_RETURN(ice && rem_ufrag && rem_passwd && rcand_cnt && rcand,
 		     PJ_EINVAL);
-    PJ_ASSERT_RETURN(rcand_cnt + ice->rcand_cnt <= PJ_ICE_MAX_CAND, 
+    PJ_ASSERT_RETURN(rcand_cnt <= PJ_ICE_MAX_CAND,
 		     PJ_ETOOMANY);
 
     pj_mutex_lock(ice->mutex);
@@ -1657,6 +1657,7 @@ PJ_DEF(pj_status_t) pj_ice_sess_create_check_list(
 
     /* Generate checklist */
     clist = &ice->clist;
+    clist->count = 0;      //Forget all previous checks.
     for (i=0; i<ice->lcand_cnt; ++i) {
 	for (j=0; j<ice->rcand_cnt; ++j) {
 
diff --git res/res_rtp_asterisk.c res/res_rtp_asterisk.c
index a90cc46..2bec80d 100644
--- res/res_rtp_asterisk.c
+++ res/res_rtp_asterisk.c
@@ -426,6 +426,18 @@ static void ast_rtp_ice_set_authentication(struct ast_rtp_instance *instance, co
 	}
 }
 
+static void ast_rtp_ice_clean_remote_candidates(struct ast_rtp_instance *instance)
+{
+	struct ast_rtp *rtp = ast_rtp_instance_get_data(instance);
+
+	if (!rtp->remote_candidates) {
+		return;
+	}
+
+	ao2_ref(rtp->remote_candidates, -1);
+	rtp->remote_candidates = NULL;
+}
+
 static void ast_rtp_ice_add_remote_candidate(struct ast_rtp_instance *instance, const struct ast_rtp_engine_ice_candidate *candidate)
 {
 	struct ast_rtp *rtp = ast_rtp_instance_get_data(instance);
@@ -503,7 +515,7 @@ static void ast_rtp_ice_start(struct ast_rtp_instance *instance)
 	struct ast_rtp_engine_ice_candidate *candidate;
 	int cand_cnt = 0;
 
-	if (!rtp->ice || !rtp->remote_candidates || rtp->ice_started) {
+	if (!rtp->ice || !rtp->remote_candidates /* || rtp->ice_started*/) {
 		return;
 	}
 
@@ -549,6 +561,7 @@ static void ast_rtp_ice_start(struct ast_rtp_instance *instance)
 		rtp->ice_started = 1;
 		rtp->strict_rtp_state = STRICT_RTP_OPEN;
 	}
+	ast_rtp_ice_clean_remote_candidates(instance);
 }
 
 static void ast_rtp_ice_stop(struct ast_rtp_instance *instance)