Sorry forgot to attach the CLI trace:
============
CLI> pjsip show aors
Aor: <Aor..............................................>
<MaxContact>
Contact: <Aor/ContactUri.................................>
<Status....> <RTT(ms)..>
========================================================================================
Aor: 2102 20
Aor: 2103 20
Aor: messagenet_aor 0
Contact: messagenet_aor/sip:sip.messagenet.it:5061 Unknown
nan
-- Added contact 'sip:2103 at
192.168.155.5:63639;rinstance=eabdf84e26104b07' to AOR '2103' with
expiration of 900 seconds
-- Removed contact 'sip:2103 at
192.168.155.5:63639;rinstance=eabdf84e26104b07' from AOR '2103' due
to request
-- Added contact 'sip:2103 at
192.168.155.5:63639;rinstance=420fa67d404d9816' to AOR '2103' with
expiration of 900 seconds
-- Removed contact 'sip:2103 at
192.168.155.5:63639;rinstance=420fa67d404d9816' from AOR '2103' due
to request
-- Added contact 'sip:2103 at
37.228.255.229:60677;rinstance=635ece4650faa34e' to AOR '2103' with
expiration of 900 seconds
-- Added contact 'sip:2102 at
192.168.155.5:60157;rinstance=0833518dac88d43b' to AOR '2102' with
expiration of 900 seconds
-- Removed contact 'sip:2102 at
192.168.155.5:60157;rinstance=0833518dac88d43b' from AOR '2102' due
to request
-- Added contact 'sip:2102 at
192.168.155.5:60157;rinstance=917b91dc461a6eda' to AOR '2102' with
expiration of 900 seconds
-- Removed contact 'sip:2102 at
192.168.155.5:60157;rinstance=917b91dc461a6eda' from AOR '2102' due
to request
-- Added contact 'sip:2102 at
37.228.255.229:60605;rinstance=fbd37b6a6d7cb4fb' to AOR '2102' with
expiration of 900 seconds
-- Executing [2102 at internal:1] Set("PJSIP/2103-00000003",
"ORIGIN=IP") in new stack
-- Executing [2102 at internal:2] NoOp("PJSIP/2103-00000003",
"Declared CallerID=<"2103" <2103>>") in new
stack
-- Executing [2102 at internal:3] Set("PJSIP/2103-00000003",
"CALLERID(name)=Insicure-IP") in new stack
-- Executing [2102 at internal:4] Set("PJSIP/2103-00000003",
"OriginalEXTEN=2102") in new stack
-- Executing [2102 at internal:5] Set("PJSIP/2103-00000003",
"CDR(userfield)=2102") in new stack
-- Executing [2102 at internal:6] Goto("PJSIP/2103-00000003",
"dialplan-switch,2102,1") in new stack
-- Goto (dialplan-switch,2102,1)
-- Executing [2102 at dialplan-switch:1]
NoOp("PJSIP/2103-00000003", " Entering Dialplan Switch from
<IP> ") in new stack
-- Executing [2102 at dialplan-switch:2]
Dial("PJSIP/2103-00000003", "PJSIP/2102") in new stack
[Sep 30 10:50:44] ERROR[19237]: res_pjsip.c:2106
sip_get_tpselector_from_endpoint: Unable to retrieve PJSIP transport
'transport-udp-nat' for endpoint '2102'
[Sep 30 10:50:44] ERROR[19237]: chan_pjsip.c:1788 request: Failed to create
outgoing session to endpoint '2102'
[Sep 30 10:50:44] WARNING[19287][C-00000003]: app_dial.c:2431 dial_exec_full:
Unable to create channel of type 'PJSIP' (cause 3 - No route to
destination)
== Everyone is busy/congested at this time (1:0/0/1)
-- Executing [2102 at dialplan-switch:3]
Hangup("PJSIP/2103-00000003", "") in new stack
== Spawn extension (dialplan-switch, 2102, 3) exited non-zero on
'PJSIP/2103-00000003'
-- Executing [2103 at internal:1] Set("PJSIP/2102-00000004",
"ORIGIN=IP") in new stack
-- Executing [2103 at internal:2] NoOp("PJSIP/2102-00000004",
"Declared CallerID=<"2102" <2102>>") in new
stack
-- Executing [2103 at internal:3] Set("PJSIP/2102-00000004",
"CALLERID(name)=Insicure-IP") in new stack
-- Executing [2103 at internal:4] Set("PJSIP/2102-00000004",
"OriginalEXTEN=2103") in new stack
-- Executing [2103 at internal:5] Set("PJSIP/2102-00000004",
"CDR(userfield)=2103") in new stack
-- Executing [2103 at internal:6] Goto("PJSIP/2102-00000004",
"dialplan-switch,2103,1") in new stack
-- Goto (dialplan-switch,2103,1)
-- Executing [2103 at dialplan-switch:1]
NoOp("PJSIP/2102-00000004", " Entering Dialplan Switch from
<IP> ") in new stack
-- Executing [2103 at dialplan-switch:2]
Dial("PJSIP/2102-00000004", "PJSIP/2103") in new stack
[Sep 30 10:52:01] ERROR[19299]: res_pjsip.c:2106
sip_get_tpselector_from_endpoint: Unable to retrieve PJSIP transport
'transport-udp-nat' for endpoint '2103'
[Sep 30 10:52:01] ERROR[19299]: chan_pjsip.c:1788 request: Failed to create
outgoing session to endpoint '2103'
[Sep 30 10:52:01] WARNING[19306][C-00000004]: app_dial.c:2431 dial_exec_full:
Unable to create channel of type 'PJSIP' (cause 3 - No route to
destination)
== Everyone is busy/congested at this time (1:0/0/1)
-- Executing [2103 at dialplan-switch:3]
Hangup("PJSIP/2102-00000004", "") in new stack
== Spawn extension (dialplan-switch, 2103, 3) exited non-zero on
'PJSIP/2102-00000004'
============
Tnx,
Aldo