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31 participants
37386 discussions

xhttp - default reply
by Ilie Soltanici 05 Oct '22

05 Oct '22

Hello, Is there a way to set a default reply message for the xhttp module, or at least drop the TCP connection when 'url_match' parameter is used? For example, if used: modparam("xhttp", "url_match", "^/rpc/") which should handle only HTTP requests to this endpoint: http://127.0.0.1:5060/rpc, now if HTTP requests are sent to another endpoint (http://127.0.0.1:5060/v2) - then the TCP connection just stays established even nobody process it. I know I can ignore this parameter and filter all requests in the event_route, but dropping them before calling event_route will make more sense for me, or at least add another parameter to this module that can control that. Thanks

2 1

Error in RTP engine setup
by palany 04 Oct '22

04 Oct '22

I have installed RTPENGINE on debian 11 and on starting it I am getting the following errors. Oct 04 12:14:39 ip-172-31-26-106 systemd[1]: Starting NGCP RTP/media Proxy Daemon... Oct 04 12:14:39 ip-172-31-26-106 ngcp-rtpengine-iptables-setup[4655]: /usr/sbin/ngcp-rtpengine-iptables-setup: 15: /usr/libexec/rtpengine/rtpengine-get-table: not found Oct 04 12:14:39 ip-172-31-26-106 rtpengine[4659]: INFO: [crypto] Generating new DTLS certificate Oct 04 12:14:39 ip-172-31-26-106 rtpengine[4659]: ERR: [core] FAILED TO CREATE KERNEL TABLE 0 (No such file or directory), KERNEL FORWARDING DISABLED Oct 04 12:14:39 ip-172-31-26-106 rtpengine[4659]: INFO: [core] Startup complete, version 11.1.0.0+0~mr11.1.0.0 git-master-c53f213f Oct 04 12:14:39 ip-172-31-26-106 systemd[1]: Started NGCP RTP/media Proxy Daemon. Oct 04 12:14:39 ip-172-31-26-106 rtpengine[4659]: INFO: [http] Websocket listener thread running How do I solve this. Best Regards, Palany Chakadya

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Kamailio Fail to write logs using syslog
by M Arqum CH 02 Oct '22

02 Oct '22

Dear All, Thanks in advance for your help. kamailio installed on debain 9, sometime kamailio failed to generate any log in syslog files i.e messages/ syslog , not even generate a single line against complete dialog or generate partial logs. It's a random behaviour, as i am using syslog with the acc module, kamailio also failed to write acc logs on file which is a very critical matter for me. In a script using xinfo, xnotice, xerr function, no output from these functions in log file. Please suggest a way to fix this issue. modparam("xlog", "log_facility", "LOG_LOCAL1") version: kamailio 5.5.4 (x86_64/linux) 9d039b flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLOCKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: 9d039b -- Regards M Arqum

1 0

loose_route() clarification
by Mack Hendricks 30 Sep '22

30 Sep '22

Hey All, I always struggle with loose_route() and I implemented workarounds in the past. But, I want to get a better understanding. I have a SIP Endpoint -> Kamailio -> FreeSWITCH The domain and alias is set to the ip address of the Kamailio server (137.184.130.206) When I get the ACK back from the SIP Endpoint it looks like this ACK sip:18889072085@137.184.72.42:5060;transport=udp SIP/2.0 Via: SIP/2.0/UDP 10.1.10.140:1052 ;branch=z9hG4bK-524287-1---740db0025fa217ce;rport Max-Forwards: 70 *Route: <sip:137.184.130.206;lr>* Contact: <sip:1000@50.192.97.226:53790;transport=UDP> To: <sip:18889072085@dsiptest.dsiprouter.net>;tag=5gv4etZ8tUUcH From: <sip:1000@dsiptest.dsiprouter.net;transport=UDP>;tag=0af5b751 Call-ID: fWido7VIUKIEI6f6kf4vkQ.. CSeq: 1 ACK User-Agent: Z 5.5.8 v2.10.17.2 Content-Length: 0 Kamailio will then remove the ACK and change the RURI to itself, which causes an ACK loop. This is what is look like *ACK sip:137.184.130.206;lr* SIP/2.0 Via: SIP/2.0/UDP 137.184.130.206;branch=z9hG4bK3fd.0cf34b683f0627ee2455594ea6cb2517.0 Via: SIP/2.0/UDP 10.1.10.140:1052 ;received=50.192.97.226;branch=z9hG4bK-524287-1---740db0025fa217ce;rport=1052 Max-Forwards: 69 Contact: <sip:1000@50.192.97.226:1052;transport=UDP> To: <sip:18889072085@dsiptest.dsiprouter.net>;tag=5gv4etZ8tUUcH From: <sip:1000@dsiptest.dsiprouter.net;transport=UDP>;tag=0af5b751 Call-ID: fWido7VIUKIEI6f6kf4vkQ.. CSeq: 1 ACK User-Agent: Z 5.5.8 v2.10.17.2 Content-Length: 0 *Question:* What am I missing here? We have the alias set and we even set it in the domain module (with the register_myself flag). We have workarounds for this, but I would prefer to figure out how to have Kamailio handle this natively via the loose_route or tm module. Thanks in advance,

3 2

Keepalive dialog with SIP/TLS OPTIONS
by Denys Pozniak 30 Sep '22

30 Sep '22

Hello! In order to keep the SIP/TCP connection alive for some specific clients (more precisely, specific firewalls) in long calls, I use periodic SIP OPTIONS probes through the dialog module. I noticed that when subscribers are using the SIP/TLS protocol, such keepalives are not sent (with SIP/UDP and SIP/TCP working well). I did not detect any obvious errors in the debug mode. Are there any ideas why the messages are not being sent for SIP/TLS leg? ---- loadmodule "dialog.so" modparam("dialog", "db_url", "DBURL") modparam("dialog", "db_mode", 1) modparam("dialog", "ka_timer", 5) modparam("dialog", "ka_interval", 30) modparam("dialog", "ka_failed_limit", 2) modparam("dialog", "send_bye", 1) modparam("dialog", "track_cseq_updates", 1) modparam("dialog", "default_timeout", 7205) ----- dlg_manage(); dlg_set_property("ka-src"); dlg_set_property("ka-dst"); -- BR, Denys Pozniak

3 3

Kamailio stops responding to OPTIONS for some time
by Muhammad Danish Moosa 30 Sep '22

30 Sep '22

Hi, With Kamailio 5.5.3 (with KEMI/Lua) I noticed it apparently had stopped responding to OPTIONS in my test system. It can cause problems if a similar issue appears in production. Only thing i could observe it was apparently responding to INVITE and CANCEL etc randomly , its pretty strange as it was not dead completely. There was no core dump, I restarted and it started functioning again. Any clues please? -- Muhammad Danish Moosa " The core of mans' spirit comes from new experiences. "___ Christopher McCandless

2 1

http_async_client "route_name" is what type of route?
by Brooks Bridges 30 Sep '22

30 Sep '22

Running into an issue where I can't access certain functions inside the response route or "route_name" for handling the asynchronous reply from an http_async_query() that's being run. Does anyone know what type of route that is considered to be? I know it's not a request route or a failure route based on the errors I'm getting, but I can't find anything that outlines what that route actually is. Thanks! Brooks Bridges 1200 S. Rogers Circle, Unit 6 Boca Raton, FL 33487 Office: 916-235-2097 Main: 888-444-1111 email: bbridges(a)call48.com | web: www.call48.com Confidentiality Notice: This e-mail, and any attachment to it, contains privileged and confidential information intended only for the use of the individual(s) or entity named on the e-mail. If the reader of this e-mail is not the intended recipient, or the employee or agent responsible for delivering it to the intended recipient, you are hereby notified that reading this e-mail is strictly prohibited. If you have received this e-mail in error, please immediately return it to the sender and delete it from your system.

3 7

Interactions of dmq_usrloc and usrloc w/db_mode > 0
by Alex Balashov 29 Sep '22

29 Sep '22

Hi, Are there any known contraindications for replicating contacts using dmq/dmq_usrloc, and injecting those contacts into a database on one of the nodes using usrloc with `db_mode` 1 or 2? Predictably, this is being done to support the use-case of getting registration status from database. If you think this should be done with JSONRPC, I am in complete agreement with you, but it’s not up to me. :-) I am doing this with `db_mode` 2 now, and finding that, for a small number of AORs, one can find instances where they are consistently stored in memory but not present in the `location` table. The overall proportion of these AORs, out of thousands, seems to be quite small. It was initially somewhat higher, and it went down once I increased usrloc `timer_processes` and increased the sync interval from 30 to 60 seconds. Nevertheless, it is still non-zero, and I am getting intermittent reports. I wonder if there are some prior experiences with this and anything to watch out, or if `db_mode` 1 might be a superior choice. I personally cannot see how that would be; it seems to have all the performance downsides of mode 3. But perhaps if something about it is more “problem-free” vis-a-vis DMQ, it’s worth a shot? — Alex -- Alex Balashov | Principal | Evariste Systems LLC Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) Web: http://www.evaristesys.com/, http://www.csrpswitch.com/

5 7

New feature: #defexp -preprocessor define with expression
by Daniel-Constantin Mierla 29 Sep '22

29 Sep '22

Hello, following the recent new feature of #!ifexp based on snexpr (https://www.kamailio.org/w/2022/09/ifexp-conditional-preprocessor-blocks/), another preprocessor directive was added which allows defining IDs with a value computed from the evaluation of an expression, respectively: #!defexp ID EXP The EXP can be any expression supported by snexpr, including the previously defined IDs. For example: #!define IPADDR 1.2.3.4 #!define PORT 5060 #!defexp SIPURI "sip:" + IPADDR + ":" + PORT The result is that SIPURI is defined to sip:1.2.3.4:5060. Another variant is available as #!defexps, which encloses the result of the expression in double quotes, making it suitable to be used further as string value: #!defexps SIPURI "sip:" + IPADDR + ":" + PORT The result is that SIPURI is defined to “sip:1.2.3.4:5060”. More details at: - https://www.kamailio.org/wikidocs/cookbooks/devel/core/#defexp - https://www.kamailio.org/wikidocs/cookbooks/devel/core/#defexps Testing would be appreciated, feedback can be addressed to sr-users mailing list! Cheers, Daniel -- Daniel-Constantin Mierla -- www.asipto.com www.twitter.com/miconda -- www.linkedin.com/in/miconda Kamailio Advanced Training - Online Nov 7-10, 2022 (Europe Timezone) * https://www.asipto.com/sw/kamailio-advanced-training-online/

1 0

Question about the Secsipid module
by Володимир Іванець 28 Sep '22

28 Sep '22

Hello everyone! I'm testing calls with STIR/SHAKEN with a Secsipid module on a Kamailio version 5.6.1 and ran into a problem. Outbound calls work fine when the function *secsipid_add_identity* with appropriate parameters is called. But as soon as I add function *secsipid_check_identity* to my configuration, Kamilio would not start. Here is an error message I get: *kamailio: CRITICAL: <core> [core/cfg.y:3791]: yyerror_at(): parse error in config file /etc/kamailio/include/registrar.cfg, line 47, column 39: unknown command, missing loadmodule?* *loadmodule "secsipid.so"* is present and is above the function *secsipid_check_identity* call. Both secsipid.so and secsipid_proc.so module files are the correct version and present on the system. Another question is related to the rpm package build. How do you build additional modules? I made adjustment to the pkg/kamailio/Makefile file. In the *cfg* section changed *$(MAKE) -C ../../src cfg* with *$(MAKE) FLAVOUR=kamailio include_modules="secsipid secsipid_proc" -C ../../src cfg*. Required modules appeared in the modules.lst file but their rpm packages were not built. Thank you very much!

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