[SR-Users] KAMAILIO 4.2 - RTPPROXY config confirmation - error message from systemctl status kamailio.service -l (ERROR: <script>: NATMANAGE coee)

Dear All, I am still using Kamailio 4.2 with Debian Jessie without any issues. RTPPROXY - CONFIG WHEN I MAKE AN INVITE FROM 801 TO 803, I HAVE THIS ERROR MESSAGE : KAMAILIO SERVICE (ERROR: <SCRIPT>: NATMANAGE COEE) root@sipsecure:~# systemctl status kamailio.service -l ● kamailio.service - LSB: Start the Kamailio SIP proxy server Loaded: loaded (/etc/init.d/kamailio) Active: active (running) since Tue 2018-11-20 22:34:31 CET; 40s ago Process: 1820 ExecStop=/etc/init.d/kamailio stop (code=exited, status=0/SUCCESS) Process: 1830 ExecStart=/etc/init.d/kamailio start (code=exited, status=0/SUCCESS) CGroup: /system.slice/kamailio.service ├─1846 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio ├─1848 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio ├─1849 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio ├─1850 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio ├─1851 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio ├─1852 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio ├─1853 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio ├─1854 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio ├─1855 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio ├─1856 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio ├─1858 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio ├─1860 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio ├─1863 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio ├─1865 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio ├─1867 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio ├─1869 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio ├─1871 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio ├─1873 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio └─1875 /usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg -P /var/run/kamailio/kamailio.pid -m 64 -M 8 -u kamailio -g kamailio Nov 20 22:35:00 sipsecure /usr/sbin/kamailio[1853]: ERROR: <script>: NATMANAGE coee Nov 20 22:35:00 sipsecure /usr/sbin/kamailio[1854]: ERROR: <script>: NATMANAGE M=INVITE OU=<null> RURI=<null> RD=<null> F=sip:801@192.168.40.101;transport=UDP T=sip:803@192.168.40.101;transport=UDP NH=<null> IP=192.168.0.207 ID=fjpUwRGm0u--3RvvB4fZ7Q.. Nov 20 22:35:00 sipsecure /usr/sbin/kamailio[1854]: ERROR: <script>: NATMANAGE coee Nov 20 22:35:00 sipsecure /usr/sbin/kamailio[1855]: ERROR: <script>: NATMANAGE M=INVITE OU=<null> RURI=<null> RD=<null> F=sip:801@192.168.40.101;transport=UDP T=sip:803@192.168.40.101;transport=UDP NH=<null> IP=192.168.0.207 ID=fjpUwRGm0u--3RvvB4fZ7Q.. Nov 20 22:35:00 sipsecure /usr/sbin/kamailio[1855]: ERROR: <script>: NATMANAGE coee Nov 20 22:35:03 sipsecure /usr/sbin/kamailio[1852]: ERROR: <script>: NATMANAGE M=INVITE OU=<null> RURI=<null> RD=<null> F=sip:801@192.168.40.101;transport=UDP T=sip:803@192.168.40.101;transport=UDP NH=<null> IP=192.168.0.207 ID=fjpUwRGm0u--3RvvB4fZ7Q.. Nov 20 22:35:03 sipsecure /usr/sbin/kamailio[1852]: ERROR: <script>: NATMANAGE coee Nov 20 22:35:03 sipsecure /usr/sbin/kamailio[1852]: NOTICE: acc [acc.c:317]: acc_log_request(): ACC: transaction answered: timestamp=1542749703;method=INVITE;from_tag=4d488551;to_tag=2006d156;call_id=fjpUwRGm0u--3RvvB4fZ7Q..;code=200;reason=OK;src_user=801;src_domain=192.168.40.101;src_ip=192.168.0.229;dst_ouser=803;dst_user=803;dst_domain=192.168.0.207;user_agent=Z 5.2.19 rv2.8.99 Nov 20 22:35:03 sipsecure /usr/sbin/kamailio[1853]: ERROR: <script>: NATMANAGE M=ACK OU=sip:803@192.168.0.207:5060;alias=192.168.0.207:5060~1 RURI=sip:803@192.168.0.207:5060 RD=192.168.0.207 F=sip:801@192.168.40.101;transport=UDP T=sip:803@192.168.40.101;transport=UDP NH=192.168.0.207 IP=192.168.0.229 ID=fjpUwRGm0u--3RvvB4fZ7Q.. Nov 20 22:35:03 sipsecure /usr/sbin/kamailio[1853]: ERROR: <script>: NATMANAGE coee Don't understand why the error??? RTPPROXY SERVICE : (RTPPROXY IS DOING HIS JOB PERFECTLY AND GET AUDIO ON BOTH DIRECTION) root@sipsecure:~# systemctl status rtpproxy.service -l ● rtpproxy.service - LSB: RTP Proxy Loaded: loaded (/etc/init.d/rtpproxy) Active: active (running) since Tue 2018-11-20 22:13:58 CET; 22min ago Process: 443 ExecStart=/etc/init.d/rtpproxy start (code=exited, status=0/SUCCESS) CGroup: /system.slice/rtpproxy.service └─1137 /usr/bin/rtpproxy -s udp:127.0.0.1 7722 -u rtpproxy rtpproxy -p /var/run/rtpproxy/rtpproxy.pid -l 212.76.231.102 192.168.40.101 -m 11000 -M 12000 -d DBUG LOG_LOCAL0 Nov 20 22:34:31 sipsecure rtpproxy[1137]: DBUG:doreply: sending reply "1875_11 1 " Nov 20 22:35:00 sipsecure rtpproxy[1137]: DBUG:handle_command: received command "1853_8 USEEc106,9,3,111,0,8,97,110,112,98,101,100,99,102 fjpUwRGm0u--3RvvB4fZ7Q.. 192.168.0.229 11000 4d488551;1" Nov 20 22:35:00 sipsecure rtpproxy[1137]: INFO:handle_command: new session fjpUwRGm0u--3RvvB4fZ7Q.., tag 4d488551;1 requested, type strong Nov 20 22:35:00 sipsecure rtpproxy[1137]: INFO:handle_command: new session on a port 11496 created, tag 4d488551;1 Nov 20 22:35:00 sipsecure rtpproxy[1137]: INFO:handle_command: pre-filling caller's address with 192.168.0.229:11000 Nov 20 22:35:00 sipsecure rtpproxy[1137]: DBUG:doreply: sending reply "1853_8 11496 192.168.40.101 " Nov 20 22:35:03 sipsecure rtpproxy[1137]: DBUG:handle_command: received command "1852_8 LSEEc106,9,3,111,0,8,97,110,112,102,98,101,100,99 fjpUwRGm0u--3RvvB4fZ7Q.. 192.168.0.207 11112 4d488551;1 2006d156;1" Nov 20 22:35:03 sipsecure rtpproxy[1137]: INFO:handle_command: lookup on ports 11496/11402, session timer restarted Nov 20 22:35:03 sipsecure rtpproxy[1137]: INFO:handle_command: pre-filling callee's address with 192.168.0.207:11112 Nov 20 22:35:03 sipsecure rtpproxy[1137]: DBUG:doreply: sending reply "1852_8 11402 192.168.40.101 " ??? Question : for rtpproxy config, do I need to add the natted ip address (NAT 1:1) or the real public address (where ip phone needs to assign as domain)? I am confused. Thanks a lot in advance Best Regards, Youssef