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37388 discussions

How tell if rtp packets are being relayed through rtpengine in kamailio
by Faiz Fazaluddin 23 Aug '21

23 Aug '21

Hi, I want to see if rtp packets are being relayed through kamailio. I am attmepting to connect rtpengine with kamailio, but am not sure if it is working, how can I tell? I have the kamailio server on a different VM than the clients. In wireshark, no rtp packets show on the server VM and rtp packets only seem to be going directly through the client VM. Rtp engine mentions being unable to find hashtables when attempting to implement a delete_node command. Thank you very much for your help, Faiz

3 2

21 Aug '21

Hi there! I bumped into this post to perform forwarding of REGISTER requests and then saving a local cache on 2xx replies from main Registrar: https://lists.kamailio.org/pipermail/sr-users/2020-October/110779.html I think I understand all the steps described, but some features I need are missing: - How to change the Via headers to perform topology hiding? I understand TOPOS and TOPOH do not work on these types of messages. - Change contact header so that registrar responses traverse the Kamailio box. (Use textops I suppose?) - Besides, is this approach still the best in comparison to OpenSIPs mid-registrar module? Thanks in advance, -- *Thomás Alimena Del Grande* Engenharia - Aligera Tel. 51 3500-0121

3 2

record_route() from websocket UA to tls UA
by Juha Heinanen 20 Aug '21

20 Aug '21

I noticed that when jsSIP UA that has registered over wss calls another SIP UA that has registered over tls, record_route() adds only one Route URI to outgoing INVITE (example below). This causes BYE to fail. This issue may be caused by the fact that both UAs register over the same Kamailio tls listening socket. Still two Route URIs should be added in the same way as is done when one UA registers over tcp and the other over udp. -- Juha --------------------------------------------------------------------- 09:25:43.639833 wss:87.95.73.155:19458 wss:192.27.134.1:5061 INVITE sip:foo@test.tutpro.com SIP/2.0 Via: SIP/2.0/WSS jovobf9n4svm.invalid;branch=z9hG4bK2639638 Max-Forwards: 69 To: <sip:foo@test.tutpro.com> From: " Test" <sip:test@test.tutpro.com>;tag=f7lpsuo7cb Call-ID: ovhd9fu1fl1a66nec011 CSeq: 1387 INVITE Contact: <sip:test@test.tutpro.com;gr=urn:uuid:e7f92a54-2295-4772-abc8-504be07e94c5> ... 09:25:43.649462 tls:192.27.134.1:5061 tls:87.95.73.155:19461 INVITE sip:foo-0x793ee87a90@10.158.141.103:38378;transport=tls SIP/2.0 Record-Route: <sip:192.27.134.1:5061;transport=ws;sn=ext_tls;lr;n2;dtlsf=avp;pm=0;ice> Via: SIP/2.0/TLS 192.27.134.1:5061;branch=z9hG4bK637c.7e15ef5b84ea054cfc8ea3d4e860521f.0 Via: SIP/2.0/WSS jovobf9n4svm.invalid;rport=19458;received=87.95.73.155;branch=z9hG4bK2639638 Max-Forwards: 68 To: <sip:foo@test.tutpro.com> From: " Test" <sip:test@test.tutpro.com>;tag=f7lpsuo7cb Call-ID: ovhd9fu1fl1a66nec011 CSeq: 1387 INVITE Contact: <sip:test@test.tutpro.com;gr=urn:uuid:e7f92a54-2295-4772-abc8-504be07e94c5>

2 11

install latest sems-server on debian 10 buster
by Mojtaba 18 Aug '21

18 Aug '21

Hello there, Does anybody have experience installing the latest SEMS-Server (1.6.0) on debian 10 buster? I tried to install both 1.6.0. and 1.7-dev and some issues are occurred, but i installed the version 1.3.1 on debian 8 before. Any help would be appreciated. Thanks with best regards -- --Mojtaba Esfandiari.S

4 11

How to insert user=phone header INVITE TO FROM
by César Matheus 18 Aug '21

18 Aug '21

Hi list. mY provider asks me to insert user = phone in my header. because it requires to receive my INVITE with user = phone in TO and FROM However, I add the user = phone in my configuration like this: $ ru = "sip:" + $ rU + "@" + $ sel (cfg_get.pstn1.gw_ip) + ":" + $ sel (cfg_get.pstn1.gw_port) + "; user = phone"; but only the INVITE appears, not in the TO or FROM. INVITE sip: 09872323232(a)X.Y.X.K: 5060; user = phone SIP / 2.0 From: <sip: XXXXYYYYY(a)172.20.12.4: 5060>; tag = 15552444533876 To: <sip: 09872323232(a)172.20.12.2: 5060> You can help me solve it. Thanks. -- César Matheus

3 2

crash in timer
by Juha Heinanen 17 Aug '21

17 Aug '21

Any idea what could cause the crash shown in the bt below? This is with Kamailio 5.5. -- Juha [New LWP 12061] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". bt Core was generated by `/usr/bin/sip-proxy -f /etc/sip-proxy/sip-proxy.cfg -P /run/sip-proxy/sip-proxy.'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x0000563d3b390c5d in timer_list_expire (t=1584008014, h=0x7f7a1e76bb40, slow_l=0x7f7a1e76d680, slow_mark=63909) at core/timer.c:846 846 core/timer.c: No such file or directory. (gdb) bt full #0 0x0000563d3b390c5d in timer_list_expire (t=1584008014, h=0x7f7a1e76bb40, slow_l=0x7f7a1e76d680, slow_mark=63909) at core/timer.c:846 tl = 0x7f7a226ecbd8 ret = 0 #1 0x0000563d3b391219 in timer_handler () at core/timer.c:922 saved_ticks = 1584008014 run_slow_timer = 0 i = 421 __func__ = "timer_handler" #2 0x0000563d3b391742 in timer_main () at core/timer.c:961 No locals. #3 0x0000563d3b2c94de in main_loop () at main.c:1839 i = 8 pid = 0 si = 0x0 si_desc = "udp receiver child=7 sock=46.182.160.20:5060\000\000\000\000\003\000\000\000 \000\000\000\000\071CU\356xL\375\000\000\000\000\000\000\000\000\210\300m;=V\000\000\000\000\000\000\000\000\000\000\260\334\371Jz\177\000\000\263\331r;=V\000\000\000\000\000 \000\000\000\000\340\b3;\374\177\000\000\t\365U;=V\000" nrprocs = 8 woneinit = 1 __func__ = "main_loop" #4 0x0000563d3b2d44aa in main (argc=17, argv=0x7ffc3b330e28) at main.c:3053 cfg_stream = 0x563d3b9ea290 c = -1 r = 0 tmp = 0x7ffc3b331f3f "" tmp_len = 1260628273 port = 32634 proto = 0 ahost = 0x0 aport = 0 --Type <RET> for more, q to quit, c to continue without paging--c options = 0x563d3b6dece0 ":f:cm:M:dVIhEeb:l:L:n:vKrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:x:X:Y:" ret = -1 seed = 1970794883 rfd = 4 debug_save = 0 debug_flag = 0 dont_fork_cnt = 0 n_lst = 0x0 p = 0xffff00001f80 <error: Cannot access memory at address 0xffff00001f80> st = {st_dev = 21, st_ino = 21649, st_nlink = 2, st_mode = 16832, st_uid = 109, st_gid = 115, __pad0 = 0, st_rdev = 0, st_size = 40, st_blksize = 4096, st_blocks = 0, st_atim = {tv_sec = 1620846563, tv_nsec = 71986646}, st_mtim = {tv_sec = 1628122861, tv_nsec = 116913769}, st_ctim = {tv_sec = 1628122861, tv_nsec = 616909103}, __glibc_reserved = {0, 0, 0}} tbuf = "\000\000\000\000\000\000\000\000\b\000\000\000\000\000\000\000\060\067&Kz\177\000\000\000\000\000\000\000\000\000\000\240\241>;\374\177\000\000\364:$Kz\177\000\000\b\000\000\000\000\000\000\000\230\242>;\374\177\000\000\060\067&Kz\177\000\000\310\v3;\374\177\000\000\304\v3;\374\177", '\000' <repeats 18 times>, "\230\242>;\374\177\000\000\250\241>;\374\177\000\000'\256\002Kz\177\000\000&\260be\000\000\000\000\060\r3;\374\177\000\000\300\212\225\001\000\000\000\000\220\f3;\374\177\000\000\200\f3;\374\177\000\000\310\v3;\374\177\000\000X7&Kz\177\000\000\001", '\000' <repeats 31 times>... option_index = 0 long_options = {{name = 0x563d3b6e0f3f "help", has_arg = 0, flag = 0x0, val = 104}, {name = 0x563d3b6dc4e1 "version", has_arg = 0, flag = 0x0, val = 118}, {name = 0x563d3b6e0f44 "alias", has_arg = 1, flag = 0x0, val = 1024}, {name = 0x563d3b6e0f4a "subst", has_arg = 1, flag = 0x0, val = 1025}, {name = 0x563d3b6e0f50 "substdef", has_arg = 1, flag = 0x0, val = 1026}, {name = 0x563d3b6e0f59 "substdefs", has_arg = 1, flag = 0x0, val = 1027}, {name = 0x563d3b6e0f63 "server-id", has_arg = 1, flag = 0x0, val = 1028}, {name = 0x563d3b6e0f6d "loadmodule", has_arg = 1, flag = 0x0, val = 1029}, {name = 0x563d3b6e0f78 "modparam", has_arg = 1, flag = 0x0, val = 1030}, {name = 0x563d3b6e0f81 "log-engine", has_arg = 1, flag = 0x0, val = 1031}, {name = 0x563d3b6e0f8c "debug", has_arg = 1, flag = 0x0, val = 1032}, {name = 0x563d3b6e0f92 "cfg-print", has_arg = 0, flag = 0x0, val = 1033}, {name = 0x563d3b6e0f9c "atexit", has_arg = 1, flag = 0x0, val = 1034}, {name = 0x0, has_arg = 0, flag = 0x0, val = 0}} __func__ = "main"

1 0

Info: First group of presentations at Kamailio World Online 2021
by Daniel-Constantin Mierla 17 Aug '21

17 Aug '21

Hello, the first group of presentations selected for the next Kamailio World Online, September 1-2, 2021, has been published, aiming to provide a good knowledge base of using Kamailio for different deployment types: segregation of networks with an SBC-like role, controlling robots, RTP streams management with RTPEngine, configuration variables or transformations, SIP attacks handling and asynchronous SIP routing. You can find more details at: * https://kamailioworld.com/k09-online/ The schedule will be completed during the next days, with another group of interesting sessions and open discussion panels. Cheers, Daniel -- Daniel-Constantin Mierla -- www.asipto.com www.twitter.com/miconda -- www.linkedin.com/in/miconda

1 0

No docker hub automated builds
by Sergey Safarov 14 Aug '21

14 Aug '21

I found that not more automated builds available on docker hub https://www.docker.com/blog/changes-to-docker-hub-autobuilds/ Looks like we need to make some changes for the alpine docker image. Maybe use github actions for this task? https://docs.docker.com/ci-cd/github-actions/ Sergey

1 0

RTPEngine: Async connection/communication between Kamailio and RTPEngine
by Mitesh Thakkar 12 Aug '21

12 Aug '21

Hi, Couple of week before I have posted feature request - https://github.com/kamailio/kamailio/issues/2807 As suggested, I am trying to figure out how I can achieve it with async or sworker modules. Can someone help me to understand how to use those modules to achieve async connectivity? Regards, Miteshkumar Thakkar

3 3

auth challenge freeswitch with Zopier
by Joli Martinez 10 Aug '21

10 Aug '21

Hello, I am using dsiprouter as a public facing server for pass through registrations to a fusion pbx box. This setup works great and has for a long time now. The issue I am having is that we are switching soft phone clients to copier. Zopier uses a push server. When an incoming call comes into the freeswitch server, it fires off an invite to the Zopier registered client. For some reason ONLY in this scenario Kamailio is doing an auth challenge to Freeswitch preventing to call to be sent to the soft phone. How can I stop this from happening? Other soft phones and hard phones work great with inbound calls except for Zopier. thanks,

2 1

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