Re: [SR-Users] Kamailio-5.3.3. NAT and RTP not working

can you please paste here your DNS zone file and pcscf configuration files? It looks like DNS is not setup properly as sip:example.com is not being resolved to point to ICSCF. Best Regards, Supreeth On Thu, 25 Jun 2020 at 07:20, Pavithra Mohanraja &lt;pavimohan3004(a)gmail.com&gt; wrote: > Hi Supreeth, > > I have followed your guide to build kamailio IMS > > https://open5gs.org/open5gs/docs/tutorial/02-VoLTE-setup/ > > services are running fine . > when i try to make a call . registration fails with 478 unresolvable > destination > > 93(25632) INFO: rr [rr_mod.c:515]: pv_get_route_uri_f(): No route header > present. > 93(25632) NOTICE: <script>: PCSCF REGISTER: > Destination URI: <null> > Request URI: sip:sip.example.com;transport=TCP > 93(25632) INFO: rr [rr_mod.c:515]: pv_get_route_uri_f(): No route header > present. > 93(25632) NOTICE: <script>: Source IP and Port: (10.45.5.37:32945) > Route-URI: > 93(25632) NOTICE: <script>: Received IP and Port: (10.45.5.95:5060) > 93(25632) NOTICE: <script>: Contact header: <sip:bob@10.45.5.37:36858 > ;rinstance=9cc3de25b0bbb76f;transport=tcp> > 93(25632) INFO: ims_registrar_pcscf [sec_agree.c:264]: > cscf_get_security(): No security parameters found > 93(25632) INFO: ims_registrar_pcscf [sec_agree.c:296]: > cscf_get_security_verify(): No security-verify parameters found > > > > > *93(25632) CRITICAL: <core> [core/dns_cache.c:3157]: > dns_srv_sip_resolve(): unknown proto 093(25632) ERROR: tm [ut.h:284]: > uri2dst2(): failed to resolve "sip.example.com <http://sip.example.com>" > :bug - critical error (-13)93(25632) ERROR: tm [t_fwd.c:1728]: > t_forward_nonack(): failure to add branches93(25632) ERROR: sl > [sl_funcs.c:392]: sl_reply_error(): stateless error reply used: > Unresolvable destination (478/SL)93(25632) ERROR: <script>: REGISTER > (sip:bob@sip.example.com &lt;sip%3Abob(a)sip.example.com&gt;;transport=TCP > (10.45.5.37:32945 <http://10.45.5.37:32945>) to sip:bob@sip.example.com > &lt;sip%3Abob(a)sip.example.com&gt;;transport=TCPrt=TCP, QaTgoJXt7UGPJl9-jd0pxQ..)* > > > > what might be the issue . I have configured dns server also. > > kindly help . > > > Thanks, > Pavithra > > On Wed, Jun 24, 2020 at 6:23 PM Pavithra Mohanraja < > pavimohan3004(a)gmail.com&gt; wrote: > >> Hi, >> >> I am not sure if this issue comes in 5.3.4 version . >> >> The below error i am facing in pcscf . >> 0(4152) ERROR: <script>: event_route[htable:mod-init] { >> 1(4153) ERROR: db_mysql [km_dbase.c:122]: db_mysql_submit_query(): >> driver error on query: Unknown column 'aor' in 'field list' (1054) >> 1(4153) ERROR: <core> [db_query.c:141]: db_do_query_internal(): error >> while submitting query >> 1(4153) ERROR: ims_usrloc_pcscf [udomain.c:992]: preload_udomain(): >> db_query (1) failed >> 1(4153) ERROR: ims_usrloc_pcscf [ims_usrloc_pcscf_mod.c:238]: >> child_init(): child(1): failed to preload domain 'location' >> 1(4153) ERROR: <core> [core/sr_module.c:781]: init_mod_child(): error >> while initializing module ims_usrloc_pcscf >> (/usr/lib/x86_64-linux-gnu/kamailio/modules/ims_usrloc_pcscf.so) (idx: 1 >> rank: 1 desc: [udp receiver child=0 sock=172.17.0.3:4060]) >> 1(4153) ERROR: <core> [core/pt.c:336]: fork_process(): init_child >> failed for process 1, pid 4153, "udp receiver child=0 sock= >> 172.17.0.3:4060" >> 1(4153) CRITICAL: <core> [main.c:1663]: main_loop(): Cannot fork >> 24(4199) INFO: ctl [io_listener.c:214]: io_listen_loop(): >> io_listen_loop: using epoll_lt io watch method (config) >> 25(4215) WARNING: ims_usrloc_pcscf [usrloc_db.c:67]: connect_db(): DB >> connection already open... continuing >> 28(4218) WARNING: ims_usrloc_pcscf [usrloc_db.c:67]: connect_db(): DB >> connection already open... continuing >> 29(4219) WARNING: ims_usrloc_pcscf [usrloc_db.c:67]: connect_db(): DB >> connection already open... continuing >> 30(4220) WARNING: ims_usrloc_pcscf [usrloc_db.c:67]: connect_db(): DB >> connection already open... continuing >> 31(4221) WARNING: ims_usrloc_pcscf [usrloc_db.c:67]: connect_db(): DB >> connection already open... continuing >> 32(4222) WARNING: ims_usrloc_pcscf [usrloc_db.c:67]: connect_db(): DB >> connection already open... continuing >> 27(4217) INFO: jsonrpcs [jsonrpcs_sock.c:443]: jsonrpc_dgram_process(): >> a new child 0/4217 >> 33(4223) WARNING: ims_usrloc_pcscf [usrloc_db.c:67]: connect_db(): DB >> connection already open... continuing >> 34(4224) WARNING: ims_usrloc_pcscf [usrloc_db.c:67]: connect_db(): DB >> connection already open... continuing >> root@7f3840db6813:/etc/kamailio/pcscf# 0(4152) ALERT: <core> >> [main.c:762]: handle_sigs(): child process 4153 exited normally, status=255 >> 0(4152) INFO: <core> [main.c:792]: handle_sigs(): terminating due to >> SIGCHLD >> 24(4199) INFO: <core> [main.c:847]: sig_usr(): signal 15 received >> 23(4198) INFO: <core> [main.c:847]: sig_usr(): signal 15 received >> 22(4197) INFO: <core> [main.c:847]: sig_usr(): signal 15 received >> 21(4196) INFO: <core> [main.c:847]: sig_usr(): signal 15 received >> 20(4195) INFO: <core> [main.c:847]: sig_usr(): signal 15 received >> >> >> Kindly help.. >> >> >> >> Thanks, >> Pavithra >> >> On Wed, Jun 24, 2020 at 5:16 PM supreeth herle &lt;herlesupreeth(a)gmail.com&gt; >> wrote: >> >>> Please try to keep the mailing list in loop so that it helps others as >>> well facing this issue. >>> >>> I believe this was resolved in 5.3.3 branch not sure why you are facing >>> this issue. Anyways, make sure that modules loaded in kamailio.cfg of PCSCF >>> is in following order >>> >>> loadmodule "ims_dialog" >>> loadmodule "ims_usrloc_pcscf" >>> #!ifdef WITH_IPSEC >>> loadmodule "ims_ipsec_pcscf" >>> #!endif >>> loadmodule "ims_registrar_pcscf" >>> >>> Best Regards, >>> Supreeth >>> >>> On Wed, 24 Jun 2020 at 13:36, Pavithra Mohanraja < >>> pavimohan3004(a)gmail.com&gt; wrote: >>> >>>> Hi Supreeth, >>>> >>>> I am getting the below error >>>> >>>> ms_usrloc_pcscf >>>> [/usr/lib/x86_64-linux-gnu/kamailio/modules/ims_usrloc_pcscf.so] >>>> 0(455) DEBUG: ims_registrar_pcscf [ims_registrar_pcscf_mod.c:264]: >>>> mod_init(): Successfully bound to PCSCF Usrloc module >>>> 0(455) DEBUG: <core> [core/sr_module.c:632]: >>>> find_mod_export_record(): found export of <bind_ims_ipsec_pcscf> in module >>>> ims_ipsec_pcscf >>>> [/usr/lib/x86_64-linux-gnu/kamailio/modules/ims_ipsec_pcscf.so] >>>> 0(455) ERROR: ims_ipsec_pcscf [cmd.c:85]: bind_ipsec_pcscf(): >>>> configuration error - trying to bind to ipsec pscscf module before being >>>> initialized >>>> 0(455) ERROR: <core> [core/sr_module.c:849]: init_mod(): Error while >>>> initializing module ims_registrar_pcscf >>>> (/usr/lib/x86_64-linux-gnu/kamailio/modules/ims_registrar_pcscf.so) >>>> ERROR: error while initializing modules >>>> 0(455) ERROR: ims_ipsec_pcscf [ims_ipsec_pcscf_mod.c:305]: >>>> mod_destroy(): Error destroying spi generator >>>> 0(455) ERROR: ims_ipsec_pcscf [ims_ipsec_pcscf_mod.c:309]: >>>> mod_destroy(): Error destroying port generator >>>> 0(455) DEBUG: tm [t_funcs.c:84]: tm_shutdown(): start >>>> 0(455) DEBUG: tm [t_funcs.c:87]: tm_shutdown(): emptying hash table >>>> 0(455) DEBUG: tm [t_funcs.c:89]: tm_shutdown(): removing semaphores >>>> 0(455) DEBUG: tm [t_funcs.c:91]: tm_shutdown(): destroying tmcb lists >>>> >>>> >>>> Kindly help >>>> >>>> On Wed, Jun 24, 2020 at 5:03 PM supreeth herle < >>>> herlesupreeth(a)gmail.com&gt; wrote: >>>> >>>>> There is no other IPSec configuration needed apart from running >>>>> Kamailio P-CSCF and UE sending a SIP Register with Security-Client >>>>> information for IPSec creation. Kamailio IMS IPSec module creates IPSec >>>>> tunnels using Netlink library. >>>>> >>>>> Best Regards, >>>>> Supreeth >>>>> >>>>> On Wed, 24 Jun 2020 at 13:29, Pavithra Mohanraja < >>>>> pavimohan3004(a)gmail.com&gt; wrote: >>>>> >>>>>> Hi , >>>>>> >>>>>> Could you please tell how to configure ipsec (general configuration >>>>>> not related to kamailio). >>>>>> >>>>>> Thanks, >>>>>> Pavithra >>>>>> >>>>>> On Wed, Jun 24, 2020 at 2:12 PM supreeth herle < >>>>>> herlesupreeth(a)gmail.com&gt; wrote: >>>>>> >>>>>>> reason=404 (Not Found - destination user not found on this S-CSCF)] >>>>>>>> >>>>>>> >>>>>>> Please check your IMPU for the IMS user in the IMS HSS (e.g. FHoSS >>>>>>> or any other HSS you are using to enter IMS user details). SCSCF is not >>>>>>> able to find a registered user with that IMPU (i am assuming that you are >>>>>>> getting this response while calling) >>>>>>> >>>>>>> Increase the debug level on S-CSCF and check out which IMPU is >>>>>>> being referred by SCSCF >>>>>>> >>>>>>> Best Regards, >>>>>>> Supreeth >>>>>>> >>>>>>> On Wed, 24 Jun 2020 at 10:26, Pavithra Mohanraja < >>>>>>> pavimohan3004(a)gmail.com&gt; wrote: >>>>>>> >>>>>>>> Hi, >>>>>>>> >>>>>>>> I am facing below error in kamailio-ims 5.3.4 version. >>>>>>>> >>>>>>>> reason=404 (Not Found - destination user not found on this S-CSCF)] >>>>>>>> >>>>>>>> could you please help me how should i proceed with and where the >>>>>>>> registration details will be stored in kamailio ims. >>>>>>>> >>>>>>>> It fails at this line in kamailio.cfg file in scscf . >>>>>>>> >>>>>>>> route[FINAL_TERM] { >>>>>>>> if (lookup("location")) { >>>>>>>> if (uri==myself) { >>>>>>>> if (!t_newtran()) { >>>>>>>> sl_reply_error(); >>>>>>>> exit; >>>>>>>> } >>>>>>>> xlog("Destination Not Found ----\n"); >>>>>>>> t_reply("404","Not Found - destination >>>>>>>> user not found on this S-CSCF"); >>>>>>>> exit; >>>>>>>> } >>>>>>>> >>>>>>>> here lookup(location) means what it means. Could you please help me >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> Thanks, >>>>>>>> Pavithra >>>>>>>> >>>>>>>> On Thu, May 14, 2020 at 9:59 PM supreeth herle < >>>>>>>> herlesupreeth(a)gmail.com&gt; wrote: >>>>>>>> >>>>>>>>> Hello Pavithra, >>>>>>>>> >>>>>>>>> I have written a guide for how to integrate an IMS using Kamailio >>>>>>>>> with open5gs EPC, here is the link >>>>>>>>> https://open5gs.org/open5gs/docs/tutorial/02-VoLTE-setup/. You >>>>>>>>> can find steps to setup rtpengine in that guide. >>>>>>>>> >>>>>>>>> Regarding requirement of rtpengine, its mandatory if you want to >>>>>>>>> use the scripts in that example folder without modification. Also, read the >>>>>>>>> READE of sipwise/rtpengine github repo, its very informative (in a gist >>>>>>>>> rtpengine offer much more feature than rtpproxy) >>>>>>>>> >>>>>>>>> why can't we have sip client to sip client rtps flowing like how >>>>>>>>>> it is happening without NAT. >>>>>>>>>> >>>>>>>>> >>>>>>>>> For this, i would definitely suggest to read about SIP working. >>>>>>>>> This is a perfect link >>>>>>>>> https://github.com/onmyway133/blog/issues/284 which offers >>>>>>>>> extensive material (short and very interesting to read with examples) >>>>>>>>> related to SIP. >>>>>>>>> >>>>>>>>> Best Regards, >>>>>>>>> Supreeth >>>>>>>>> >>>>>>>>> >>>>>>>>> On Thu, 14 May 2020 at 17:51, Pavithra Mohanraja < >>>>>>>>> pavimohan3004(a)gmail.com&gt; wrote: >>>>>>>>> >>>>>>>>>> Hi , >>>>>>>>>> >>>>>>>>>> I didn't configure rtpengine ..instead of that only I used >>>>>>>>>> rrpproxy..will it not work? >>>>>>>>>> >>>>>>>>>> If not please tell me how to configure rtpengine and also tell >>>>>>>>>> me if it is really madatory .. why can't we have sip client to sip client >>>>>>>>>> rtps flowing like how it is happening without NAT. >>>>>>>>>> >>>>>>>>>> That's my doubt ..please clarify .. >>>>>>>>>> >>>>>>>>>> Thanks. >>>>>>>>>> >>>>>>>>>> On Thu, May 14, 2020, 8:57 PM supreeth herle < >>>>>>>>>> herlesupreeth(a)gmail.com&gt; wrote: >>>>>>>>>> >>>>>>>>>>> HI, >>>>>>>>>>> >>>>>>>>>>> Hold on a moment, >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>>> 10.40.10.3 - pcscf in port 4060 (pcscf with NAT enabled in >>>>>>>>>>>> pcscf.cfg (!#define WITH_NAT) and configured rtpproxy) >>>>>>>>>>>> 10.40.10.12 - icscf in port 4070 >>>>>>>>>>>> 10.40.10.5 - scscf in port 4080 >>>>>>>>>>>> 10.40.10.30 - hss >>>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> So i assume you are using the examples provided in the ims >>>>>>>>>>> folder of kamailio repo right? Isn't it using RTPEngine and not RTPProxy? >>>>>>>>>>> Or have you modified the P-CSCF configuration to work with RTPProxy? >>>>>>>>>>> >>>>>>>>>>> Best regards, >>>>>>>>>>> Supreeth >>>>>>>>>>> >>>>>>>>>>> On Thu, 14 May 2020 at 16:39, Pavithra Mohanraja < >>>>>>>>>>> pavimohan3004(a)gmail.com&gt; wrote: >>>>>>>>>>> >>>>>>>>>>>> Hi , >>>>>>>>>>>> I have attached working rtp pcap file. But it is getting >>>>>>>>>>>> reverted back to me . >>>>>>>>>>>> >>>>>>>>>>>> As you said , i have tried restarting rtpproxy several times. >>>>>>>>>>>> but it didnt work . >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> On Thu, May 14, 2020 at 7:11 PM supreeth herle < >>>>>>>>>>>> herlesupreeth(a)gmail.com&gt; wrote: >>>>>>>>>>>> >>>>>>>>>>>>> Thanks for the pcap. Sorry, to ask this but can you also send >>>>>>>>>>>>> pcap of scenario where you see RTP packets? >>>>>>>>>>>>> >>>>>>>>>>>>> Also, did you restart the rtpproxy after altering the >>>>>>>>>>>>> /etc/default/rtpproxy ? >>>>>>>>>>>>> >>>>>>>>>>>>> i.e. >>>>>>>>>>>>> >>>>>>>>>>>>> $ systemctl restart rtpproxy >>>>>>>>>>>>> >>>>>>>>>>>>> Best Regards, >>>>>>>>>>>>> Supreeth >>>>>>>>>>>>> >>>>>>>>>>>>> On Thu, 14 May 2020 at 14:51, Pavithra Mohanraja < >>>>>>>>>>>>> pavimohan3004(a)gmail.com&gt; wrote: >>>>>>>>>>>>> >>>>>>>>>>>>>> Hi Supreeth, >>>>>>>>>>>>>> I have attached pcap files . kindly check and let me know. >>>>>>>>>>>>>> filter of rtp packets and check. >>>>>>>>>>>>>> >>>>>>>>>>>>>> *filter : sip || rtp* >>>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>>>>> On Thu, May 14, 2020 at 5:15 PM supreeth herle < >>>>>>>>>>>>>> herlesupreeth(a)gmail.com&gt; wrote: >>>>>>>>>>>>>> >>>>>>>>>>>>>>> Hi Pavithra, >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> Thanks for the clarification. Can you please attach a pcap >>>>>>>>>>>>>>> of the call where you are not seeing the RTP packets? And, btw is the call >>>>>>>>>>>>>>> getting dropped or something in that scenario? >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> Regards, >>>>>>>>>>>>>>> Supreeth >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> On Thu, 14 May 2020 at 13:34, Pavithra Mohanraja < >>>>>>>>>>>>>>> pavimohan3004(a)gmail.com&gt; wrote: >>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> Hi Supreeth, >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> I have kamailio ims installed in 4 vms inside openstack. >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> 10.40.10.3 - pcscf in port 4060 (pcscf with NAT enabled in >>>>>>>>>>>>>>>> pcscf.cfg (!#define WITH_NAT) and configured rtpproxy) >>>>>>>>>>>>>>>> 10.40.10.12 - icscf in port 4070 >>>>>>>>>>>>>>>> 10.40.10.5 - scscf in port 4080 >>>>>>>>>>>>>>>> 10.40.10.30 - hss >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> so all these vms are running in same subnet. >>>>>>>>>>>>>>>> I have a floating ip associated to pcscf. >>>>>>>>>>>>>>>> Now I have two zoiper clients outside openstack >>>>>>>>>>>>>>>> zoiper1 - 10.0.2.15 (NAT Enabled Network adaptor) >>>>>>>>>>>>>>>> zoiper2 - 10.0.2.15 >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> when i am making a call from zoiper1 to zoiper2, call is >>>>>>>>>>>>>>>> going properly . SIP messages are coming properly in wireshark packets. >>>>>>>>>>>>>>>> when i filter for RTP packets in wireshark, it is not >>>>>>>>>>>>>>>> coming. >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> when i have the zoiper clients inside openstack itself ,i >>>>>>>>>>>>>>>> can able to see RTP Packets in wireshark between two sip clients without >>>>>>>>>>>>>>>> any NAT related configurations done. >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> Kindly help me. >>>>>>>>>>>>>>>> Thanks. >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> On Thu, May 14, 2020 at 4:49 PM supreeth herle < >>>>>>>>>>>>>>>> herlesupreeth(a)gmail.com&gt; wrote: >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> Can you explain some more when you mean by "RTP alone is >>>>>>>>>>>>>>>>> not coming."? And, how are you checking/verifying that? >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> Regards, >>>>>>>>>>>>>>>>> Supreeth >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> On Thu, 14 May 2020 at 13:12, Pavithra Mohanraja < >>>>>>>>>>>>>>>>> pavimohan3004(a)gmail.com&gt; wrote: >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> Hi , >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> Yes I have configured as you mentioned only . In my >>>>>>>>>>>>>>>>>> pcscf only i have rtpproxy also configured. >>>>>>>>>>>>>>>>>> Floating IP i have given in listen address also as >>>>>>>>>>>>>>>>>> listen = 10.40.10.3:4060 advertise 10.45.4.22:4060 >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> 10.40.10.3 - private ip >>>>>>>>>>>>>>>>>> 10.45.4.22 - floating ip >>>>>>>>>>>>>>>>>> Still RTP alone is not coming. >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> Is it the only way of configuring NAT ? >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> Thanks. >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> On Thu, May 14, 2020 at 4:37 PM supreeth herle < >>>>>>>>>>>>>>>>>> herlesupreeth(a)gmail.com&gt; wrote: >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> Hello Pavithra, >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> Have you tried advertising the floating IP of the VM >>>>>>>>>>>>>>>>>>> running RTPProxy as follows? >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> Edit /etc/default/rtpproxy file as follows: >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> # Additional options that are passed to the daemon. >>>>>>>>>>>>>>>>>>> EXTRA_OPTS="-l 172.24.15.30 -d DBUG:LOG_LOCAL0" >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> here, "-l <PUBLIC_IP>" >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> Hope it helps. >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> Regards, >>>>>>>>>>>>>>>>>>> Supreeth >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> On Thu, 14 May 2020 at 13:01, Pavithra Mohanraja < >>>>>>>>>>>>>>>>>>> pavimohan3004(a)gmail.com&gt; wrote: >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> Hi , >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> Could anybody please give me the approach how to >>>>>>>>>>>>>>>>>>>> configure NAT in kamailio IMS. >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> I have installed kamailio IMS in openstack environment >>>>>>>>>>>>>>>>>>>> which has private ips for all four vms (each component in one vm). >>>>>>>>>>>>>>>>>>>> pcscf has one floating IP attached. I have enabled "WITH_NAT" and >>>>>>>>>>>>>>>>>>>> configured rtpproxy . >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> when i make a call from outside of openstack using 2 >>>>>>>>>>>>>>>>>>>> zoiper clients with outbound proxy keeping floating ip of pcscf, I am >>>>>>>>>>>>>>>>>>>> getting 200 ok with all SIP packets correctly flowing but there is no RTP >>>>>>>>>>>>>>>>>>>> Packet. >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> When i try the same within openstack environment >>>>>>>>>>>>>>>>>>>> without using public ip, I am getting RTP Packets. >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> Kindly tell me the procedure of NAT Enablement or do i >>>>>>>>>>>>>>>>>>>> need to do anything other than this. >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> Kindly help because i am stuck with this for long time. >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> Thanks. >>>>>>>>>>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>>>>>>>>>> Kamailio (SER) - Users Mailing List >>>>>>>>>>>>>>>>>>>> sr-users(a)lists.kamailio.org >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>>>>>>>>> Kamailio (SER) - Users Mailing List >>>>>>>>>>>>>>>>>>> sr-users(a)lists.kamailio.org >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>>>>>>>> Kamailio (SER) - Users Mailing List >>>>>>>>>>>>>>>>>> sr-users(a)lists.kamailio.org >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>>>>>>> Kamailio (SER) - Users Mailing List >>>>>>>>>>>>>>>>> sr-users(a)lists.kamailio.org >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>>>>>> Kamailio (SER) - Users Mailing List >>>>>>>>>>>>>>>> sr-users(a)lists.kamailio.org >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>>>>> Kamailio (SER) - Users Mailing List >>>>>>>>>>>>>>> sr-users(a)lists.kamailio.org >>>>>>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>>>>>>>>>>> >>>>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>>>> Kamailio (SER) - Users Mailing List >>>>>>>>>>>>>> sr-users(a)lists.kamailio.org >>>>>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>>>>>>>>>> >>>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>>> Kamailio (SER) - Users Mailing List >>>>>>>>>>>>> sr-users(a)lists.kamailio.org >>>>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>>>>>>>>> >>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>> Kamailio (SER) - Users Mailing List >>>>>>>>>>>> sr-users(a)lists.kamailio.org >>>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>>>>>>>> >>>>>>>>>>> _______________________________________________ >>>>>>>>>>> Kamailio (SER) - Users Mailing List >>>>>>>>>>> sr-users(a)lists.kamailio.org >>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>>>>>>> >>>>>>>>>> _______________________________________________ >>>>>>>>>> Kamailio (SER) - Users Mailing List >>>>>>>>>> sr-users(a)lists.kamailio.org >>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>>>>>> >>>>>>>>> _______________________________________________ >>>>>>>>> Kamailio (SER) - Users Mailing List >>>>>>>>> sr-users(a)lists.kamailio.org >>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>>>>> >>>>>>>>