[SR-Users] Kamailio-5.3.3. NAT and RTP not working
Pavithra Mohanraja
pavimohan3004 at gmail.com
Thu Jun 25 07:20:01 CEST 2020
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 at 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 at sip.example.com
<sip%3Abob at sip.example.com>;transport=TCP (10.45.5.37:32945
<http://10.45.5.37:32945>) to sip:bob at sip.example.com
<sip%3Abob at sip.example.com>;transport=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 at gmail.com>
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 at 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 <herlesupreeth at gmail.com>
> 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 at gmail.com>
>> 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 at gmail.com>
>>> 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 at gmail.com> 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 at gmail.com> 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 at gmail.com> 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 at gmail.com> 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 at gmail.com> 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 at gmail.com> 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 at gmail.com> 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 at gmail.com> 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 at gmail.com> 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 at gmail.com> 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 at gmail.com> 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 at gmail.com> 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 at gmail.com> 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 at gmail.com> 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 at gmail.com> 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 at lists.kamailio.org
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>>>>>> Kamailio (SER) - Users Mailing List
>>>>>>>>>>>>>>>>>> sr-users at lists.kamailio.org
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>>>>> Kamailio (SER) - Users Mailing List
>>>>>>>>>>>>>>>>> sr-users at lists.kamailio.org
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>>>> Kamailio (SER) - Users Mailing List
>>>>>>>>>>>>>>>> sr-users at lists.kamailio.org
>>>>>>>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>>> Kamailio (SER) - Users Mailing List
>>>>>>>>>>>>>>> sr-users at lists.kamailio.org
>>>>>>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>> Kamailio (SER) - Users Mailing List
>>>>>>>>>>>>>> sr-users at lists.kamailio.org
>>>>>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>>>>>>>
>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>> Kamailio (SER) - Users Mailing List
>>>>>>>>>>>>> sr-users at lists.kamailio.org
>>>>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>>>>>>
>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>> Kamailio (SER) - Users Mailing List
>>>>>>>>>>>> sr-users at lists.kamailio.org
>>>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>>>>>
>>>>>>>>>>> _______________________________________________
>>>>>>>>>>> Kamailio (SER) - Users Mailing List
>>>>>>>>>>> sr-users at lists.kamailio.org
>>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> Kamailio (SER) - Users Mailing List
>>>>>>>>>> sr-users at lists.kamailio.org
>>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> Kamailio (SER) - Users Mailing List
>>>>>>>>> sr-users at lists.kamailio.org
>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> Kamailio (SER) - Users Mailing List
>>>>>>>> sr-users at lists.kamailio.org
>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>>
>>>>>>>
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