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

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 &lt;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 &lt;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 &lt;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 &lt;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 >>> >>