diff --git a/contrib/src/pjproject/rfc6544.patch b/contrib/src/pjproject/rfc6544.patch
index 72e0e00ed7356a2cfaae3bafd41deae5d1ffcc9f..cc8df7d1445406ea6ff408c3f3965002f15d8e88 100644
--- a/contrib/src/pjproject/rfc6544.patch
+++ b/contrib/src/pjproject/rfc6544.patch
@@ -25,7 +25,7 @@ on behalf of Savoir-faire Linux.
pjnath/src/pjnath-test/concur_test.c | 8 +-
pjnath/src/pjnath-test/sess_auth.c | 12 +-
pjnath/src/pjnath-test/stun_sock_test.c | 7 +-
- pjnath/src/pjnath/ice_session.c | 582 +++++++---
+ pjnath/src/pjnath/ice_session.c | 586 +++++++---
pjnath/src/pjnath/ice_strans.c | 986 ++++++++++++-----
pjnath/src/pjnath/nat_detect.c | 12 +-
pjnath/src/pjnath/stun_session.c | 12 +-
@@ -38,7 +38,7 @@ on behalf of Savoir-faire Linux.
pjnath/src/pjturn-srv/server.c | 2 +-
pjsip-apps/src/samples/icedemo.c | 671 +++++++-----
pjsip/src/pjsua-lib/pjsua_core.c | 8 +-
- 22 files changed, 2989 insertions(+), 1104 deletions(-)
+ 22 files changed, 2993 insertions(+), 1104 deletions(-)
diff --git a/pjnath/include/pjnath/config.h b/pjnath/include/pjnath/config.h
index fc1e27550..6f17a663b 100644
@@ -858,7 +858,7 @@ index fff4fad26..a54df74dc 100644
app_perror(" error: server sending data", status);
ret = -390;
diff --git a/pjnath/src/pjnath/ice_session.c b/pjnath/src/pjnath/ice_session.c
-index c51dba771..0301c5c7b 100644
+index c51dba771..04cee7700 100644
--- a/pjnath/src/pjnath/ice_session.c
+++ b/pjnath/src/pjnath/ice_session.c
@@ -1,5 +1,5 @@
@@ -1157,7 +1157,7 @@ index c51dba771..0301c5c7b 100644
/* Attach data to be retrieved later when STUN request transaction
* completes and on_stun_request_complete() callback is called.
*/
-@@ -1796,57 +1898,98 @@ static pj_status_t perform_check(pj_ice_sess *ice,
+@@ -1796,57 +1898,102 @@ static pj_status_t perform_check(pj_ice_sess *ice,
msg_data->data.req.ckid = check_id;
/* Add PRIORITY */
@@ -1218,7 +1218,6 @@ index c51dba771..0301c5c7b 100644
+ if (lcand->transport == PJ_CAND_UDP) {
+ status = send_connectivity_check(ice, clist, check_id, nominate, msg_data);
+ } else if (lcand->transport == PJ_CAND_TCP_ACTIVE) {
-+
+ if (check->state == PJ_ICE_SESS_CHECK_STATE_NEEDS_RETRY) {
+ status = (*ice->cb.reconnect_tcp_connection)(ice, clist, check_id);
+ } else if (check->state == PJ_ICE_SESS_CHECK_STATE_NEEDS_FIRST_PACKET) {
@@ -1237,16 +1236,21 @@ index c51dba771..0301c5c7b 100644
+ pj_assert(!"Not expected any timer active");
+ }
+ }
-+ } else if (lcand->transport == PJ_CAND_TCP_PASSIVE && lcand->type == PJ_ICE_CAND_TYPE_RELAYED) {
-+ pj_timer_heap_cancel_if_active(ice->stun_cfg.timer_heap, &ice->timer, TIMER_NONE);
-+ status = (*ice->cb.select_turn_dataconn)(ice, clist, check_id);
-+ if (ice->timer.id == TIMER_NONE) {
-+ pj_time_val delay = {0, 0};
-+ delay.msec = 1500;
-+ pj_time_val_normalize(&delay);
-+ pj_timer_heap_schedule_w_grp_lock(
-+ ice->stun_cfg.timer_heap, &ice->timer, &delay,
-+ TIMER_CONNECTION_TIMEOUT, ice->grp_lock);
++ } else {
++ // TCP PASSIVE
++ if (lcand->type == PJ_ICE_CAND_TYPE_RELAYED) {
++ pj_timer_heap_cancel_if_active(ice->stun_cfg.timer_heap, &ice->timer, TIMER_NONE);
++ status = (*ice->cb.select_turn_dataconn)(ice, clist, check_id);
++ if (ice->timer.id == TIMER_NONE) {
++ pj_time_val delay = {0, 0};
++ delay.msec = 1500;
++ pj_time_val_normalize(&delay);
++ pj_timer_heap_schedule_w_grp_lock(
++ ice->stun_cfg.timer_heap, &ice->timer, &delay,
++ TIMER_CONNECTION_TIMEOUT, ice->grp_lock);
++ }
++ } else {
++ status = send_connectivity_check(ice, clist, check_id, nominate, msg_data);
+ }
}
+#else
@@ -1290,7 +1294,7 @@ index c51dba771..0301c5c7b 100644
}
-@@ -1882,44 +2025,101 @@ static pj_status_t start_periodic_check(pj_timer_heap_t *th,
+@@ -1882,44 +2029,101 @@ static pj_status_t start_periodic_check(pj_timer_heap_t *th,
LOG5((ice->obj_name, "Starting checklist periodic check"));
pj_log_push_indent();
@@ -1415,7 +1419,7 @@ index c51dba771..0301c5c7b 100644
}
/* Cannot start check because there's no suitable candidate pair.
-@@ -1936,8 +2136,7 @@ static pj_status_t start_periodic_check(pj_timer_heap_t *th,
+@@ -1936,8 +2140,7 @@ static pj_status_t start_periodic_check(pj_timer_heap_t *th,
pj_grp_lock_release(ice->grp_lock);
pj_log_pop_indent();
return PJ_SUCCESS;
@@ -1425,7 +1429,7 @@ index c51dba771..0301c5c7b 100644
/* Start sending connectivity check with USE-CANDIDATE */
static void start_nominated_check(pj_ice_sess *ice)
-@@ -2109,13 +2308,13 @@ PJ_DEF(pj_status_t) pj_ice_sess_start_check(pj_ice_sess *ice)
+@@ -2109,13 +2312,13 @@ PJ_DEF(pj_status_t) pj_ice_sess_start_check(pj_ice_sess *ice)
/* First, perform all pending triggered checks, simultaneously. */
rcheck = ice->early_check.next;
while (rcheck != &ice->early_check) {
@@ -1446,7 +1450,7 @@ index c51dba771..0301c5c7b 100644
}
pj_list_init(&ice->early_check);
-@@ -2161,7 +2360,7 @@ static pj_status_t on_stun_send_msg(pj_stun_session *sess,
+@@ -2161,7 +2364,7 @@ static pj_status_t on_stun_send_msg(pj_stun_session *sess,
/* Stray retransmit timer that could happen while
* we're being destroyed */
pj_grp_lock_release(ice->grp_lock);
@@ -1455,7 +1459,7 @@ index c51dba771..0301c5c7b 100644
}
status = (*ice->cb.on_tx_pkt)(ice, sd->comp_id, msg_data->transport_id,
-@@ -2171,6 +2370,145 @@ static pj_status_t on_stun_send_msg(pj_stun_session *sess,
+@@ -2171,6 +2374,145 @@ static pj_status_t on_stun_send_msg(pj_stun_session *sess,
return status;
}
@@ -1601,7 +1605,7 @@ index c51dba771..0301c5c7b 100644
/* This callback is called when outgoing STUN request completed */
static void on_stun_request_complete(pj_stun_session *stun_sess,
-@@ -2401,7 +2739,8 @@ static void on_stun_request_complete(pj_stun_session *stun_sess,
+@@ -2401,7 +2743,8 @@ static void on_stun_request_complete(pj_stun_session *stun_sess,
&check->lcand->base_addr,
&check->lcand->base_addr,
pj_sockaddr_get_len(&xaddr->sockaddr),
@@ -1611,7 +1615,7 @@ index c51dba771..0301c5c7b 100644
if (status != PJ_SUCCESS) {
check_set_state(ice, check, PJ_ICE_SESS_CHECK_STATE_FAILED,
status);
-@@ -2516,8 +2855,8 @@ static pj_status_t on_stun_rx_request(pj_stun_session *sess,
+@@ -2516,8 +2859,8 @@ static pj_status_t on_stun_rx_request(pj_stun_session *sess,
pj_grp_lock_acquire(ice->grp_lock);
if (ice->is_destroying) {
@@ -1622,7 +1626,7 @@ index c51dba771..0301c5c7b 100644
}
/*
-@@ -2532,9 +2871,9 @@ static pj_status_t on_stun_rx_request(pj_stun_session *sess,
+@@ -2532,9 +2875,9 @@ static pj_status_t on_stun_rx_request(pj_stun_session *sess,
prio_attr = (pj_stun_priority_attr*)
pj_stun_msg_find_attr(msg, PJ_STUN_ATTR_PRIORITY, 0);
if (prio_attr == NULL) {
@@ -1635,7 +1639,7 @@ index c51dba771..0301c5c7b 100644
}
/* Get USE-CANDIDATE attribute */
-@@ -2579,7 +2918,7 @@ static pj_status_t on_stun_rx_request(pj_stun_session *sess,
+@@ -2579,7 +2922,7 @@ static pj_status_t on_stun_rx_request(pj_stun_session *sess,
NULL, token, PJ_TRUE,
src_addr, src_addr_len);
pj_grp_lock_release(ice->grp_lock);
@@ -1644,7 +1648,7 @@ index c51dba771..0301c5c7b 100644
}
} else if (ice->role == PJ_ICE_SESS_ROLE_CONTROLLED &&
-@@ -2591,7 +2930,7 @@ static pj_status_t on_stun_rx_request(pj_stun_session *sess,
+@@ -2591,7 +2934,7 @@ static pj_status_t on_stun_rx_request(pj_stun_session *sess,
NULL, token, PJ_TRUE,
src_addr, src_addr_len);
pj_grp_lock_release(ice->grp_lock);
@@ -1653,7 +1657,7 @@ index c51dba771..0301c5c7b 100644
} else {
/* Switch role to controlled */
LOG4((ice->obj_name,
-@@ -2606,7 +2945,7 @@ static pj_status_t on_stun_rx_request(pj_stun_session *sess,
+@@ -2606,7 +2949,7 @@ static pj_status_t on_stun_rx_request(pj_stun_session *sess,
status = pj_stun_session_create_res(sess, rdata, 0, NULL, &tdata);
if (status != PJ_SUCCESS) {
pj_grp_lock_release(ice->grp_lock);
@@ -1662,7 +1666,7 @@ index c51dba771..0301c5c7b 100644
}
if (((pj_sockaddr *)src_addr)->addr.sa_family == pj_AF_INET6()) {
-@@ -2663,9 +3002,9 @@ static pj_status_t on_stun_rx_request(pj_stun_session *sess,
+@@ -2663,9 +3006,9 @@ static pj_status_t on_stun_rx_request(pj_stun_session *sess,
msg_data->has_req_data = PJ_FALSE;
/* Send the response */
@@ -1675,7 +1679,7 @@ index c51dba771..0301c5c7b 100644
/*
* Handling early check.
-@@ -2784,14 +3123,16 @@ static void handle_incoming_check(pj_ice_sess *ice,
+@@ -2784,14 +3127,16 @@ static void handle_incoming_check(pj_ice_sess *ice,
/* Just get candidate with the highest priority and same transport ID
* for the specified component ID in the checklist.
*/
@@ -1700,7 +1704,7 @@ index c51dba771..0301c5c7b 100644
}
if (lcand == NULL) {
/* Should not happen, but just in case remote is sending a
-@@ -2814,9 +3155,9 @@ static void handle_incoming_check(pj_ice_sess *ice,
+@@ -2814,9 +3159,9 @@ static void handle_incoming_check(pj_ice_sess *ice,
* have this pair in our checklist.
*/
for (i=0; i<ice->clist.count; ++i) {
@@ -1713,7 +1717,7 @@ index c51dba771..0301c5c7b 100644
}
/* If the pair is already on the check list:
-@@ -2839,7 +3180,6 @@ static void handle_incoming_check(pj_ice_sess *ice,
+@@ -2839,7 +3184,6 @@ static void handle_incoming_check(pj_ice_sess *ice,
* Note: DO NOT overwrite nominated flag if one is already set.
*/
c->nominated = ((rcheck->use_candidate) || c->nominated);
@@ -3004,7 +3008,7 @@ index 7b53aba74..2b006d918 100644
+ return sess ? sess->conn_type : PJ_STUN_TP_UDP;
+}
diff --git a/pjnath/src/pjnath/stun_sock.c b/pjnath/src/pjnath/stun_sock.c
-index 7692e6c14..3b8d509ab 100644
+index 7692e6c14..daa24cc28 100644
--- a/pjnath/src/pjnath/stun_sock.c
+++ b/pjnath/src/pjnath/stun_sock.c
@@ -1,5 +1,5 @@