- sr-users - kamailio.org

topos redis -> failed to store
by Abdoul Osséni 02 Apr '18

02 Apr '18

Hello list, I activated topos and topos_redis backend. Now, I have the following errors: Jan 6 07:34:11 sd-110402 /usr/local/sbin/kamailio[30288]: {1 102 NOTIFY 645f4b58537f9df53b9ce65f4937d652@163.172.83.169:5064} ERROR: topos [tps_storage.c:394]: tps_storage_record(): failed to store Jan 6 07:34:11 sd-110402 /usr/local/sbin/kamailio[30292]: {1 102 NOTIFY 5b678085378e62c12c6f18154501feb3@163.172.83.169:5064} INFO: topos_redis [topos_redis_storage.c:163]: tps_redis_insert_dialog(): no uuid for this message Jan 6 07:34:11 sd-110402 /usr/local/sbin/kamailio[30292]: {1 102 NOTIFY 5b678085378e62c12c6f18154501feb3@163.172.83.169:5064} ERROR: topos [tps_storage.c:394]: tps_storage_record(): failed to store Jan 6 07:34:18 sd-110402 /usr/local/sbin/kamailio[30287]: {1 102 NOTIFY 2799d4a61e9defbc66dc67735e1c6e6c@163.172.83.169:5064} INFO: topos_redis [topos_redis_storage.c:163]: tps_redis_insert_dialog(): no uuid for this message Jan 6 07:34:18 sd-110402 /usr/local/sbin/kamailio[30287]: {1 102 NOTIFY 2799d4a61e9defbc66dc67735e1c6e6c@163.172.83.169:5064} ERROR: topos [tps_storage.c:394]: tps_storage_record(): failed to store Jan 6 07:34:18 sd-110402 /usr/local/sbin/kamailio[30290]: {1 102 NOTIFY 760fe2ce3427748514441de25cade2e4@163.172.83.169:5064} INFO: topos_redis [topos_redis_storage.c:163]: tps_redis_insert_dialog(): no uuid for this message Jan 6 07:34:18 sd-110402 /usr/local/sbin/kamailio[30290]: {1 102 NOTIFY 760fe2ce3427748514441de25cade2e4@163.172.83.169:5064} ERROR: topos [tps_storage.c:394]: tps_storage_record(): failed to store Jan 6 07:34:33 sd-110402 /usr/local/sbin/kamailio[30291]: {1 102 NOTIFY 7464fc2b503427423b0aba925fb13bc7@163.172.83.169:5064} INFO: topos_redis [topos_redis_storage.c:163]: tps_redis_insert_dialog(): no uuid for this message Jan 6 07:34:33 sd-110402 /usr/local/sbin/kamailio[30291]: {1 102 NOTIFY 7464fc2b503427423b0aba925fb13bc7@163.172.83.169:5064} ERROR: topos [tps_storage.c:394]: tps_storage_record(): failed to store Jan 6 07:34:35 sd-110402 /usr/local/sbin/kamailio[30287]: {1 102 NOTIFY 581e88181527f4221fbc7f893a564d6a@163.172.83.169:5064} INFO: topos_redis [topos_redis_storage.c:163]: tps_redis_insert_dialog(): no uuid for this message Jan 6 07:34:35 sd-110402 /usr/local/sbin/kamailio[30287]: {1 102 NOTIFY 581e88181527f4221fbc7f893a564d6a@163.172.83.169:5064} ERROR: topos [tps_storage.c:394]: tps_storage_record(): failed to store Could you help me to fix it? Abdoul OSSENI

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How to extract SIP-I ISUP parameters
by Eugene Prokopiev 02 Apr '18

02 Apr '18

Hi, I need to extract ISUP parameter 'Redirecting number' from SIP-I INVITE request and add it as SIP header with 'X-' prefix to process in FreeSWITCH. I tried to read https://kamailio.org/docs/modules/5.1.x/modules/sipt.html (but it is about updating headers) and https://kamailio.org/docs/modules/5.1.x/modules/ss7ops.html (but I have only ISUP encapsulated in SIP), so not found any solution. Help me to find it please. -- WBR, Eugene Prokopiev

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audio issues
by Atux Atux 02 Apr '18

02 Apr '18

Hi. I am doing my first steps with Kamailio and i have installed it according to the http://kb.asipto.com/kamailio:skype-like-service-in-less-than-one-hour. i did create 3 users 1100,1101,1102 and then in windows PC i did install the jitsi application. Even though the accounts on Jitsi show as online on each PC i have audio issues. All PCs are in the same LAN -Device 1101 calls 1102 and on 1102 i cannot hear anything. 1102 talks and it cannot be heard -Device 1102 calls device 1101 and on 1101 PC i hear a ringing tone. Then i answer from 1101. 1102 speaks and it can be heard, not the other way around. any ideas, please?

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KEMI and SQL - best practices
by Igor Olhovskiy 02 Apr '18

02 Apr '18

Hi! Is there any suggestions, best practices of using SQL connections in KEMI? Main idea - not to open connection to database in every route (cause it’s really expensive operation in terms of time) and reuse existing, for ex, created in some kind of startup route? Or maybe use some else technique? Regards, Igor

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Russian meddling in Kamailio project
by Alex Balashov 01 Apr '18

01 Apr '18

(Filed by the Geostrategic Open Source Alliance.) ATLANTA, GA (1 April 2018)--In a twist of events that has shocked the global technical community, the well-known open-source VoIP professional Alex Balashov has revealed himself to be a deep cover intelligence operative of the GRU (Main Intelligence Directorate of the military of the Russian Federation) and the FSB (the Federal Security Bureau, the successor agency to the Soviet-era KGB). Balashov was reported to be seeking US political asylum and immunity from prosecution in return for an exposé of the ways in which the Russian foreign intelligence apparatus has sought to influence the direction of the open-source communications project "Kamailio", widely used in telecommunications carrier, service provider and enterprise environments to deliver high-scalability routing services and other SIP (Session Initiation Protocol) platform building blocks. In connection with these sensitive ongoing negotiations, Balashov was debriefed on behalf of the US Government by Fred Posner of The Palner Group, a counterintelligence think tank and security consulting firm based in Gainesville, Florida. This debriefing was coordinated with the German BND (Bundesnachrichtendienst) agency and other agencies representing security cooperation partners of the European Union and NATO. GOSA have been able to obtain exclusive excerpts from the portions of this interview not deemed top secret: POSNER: Please state your full name, age, place of birth, physical characteristics, serial number and any other relevant professional asset identification markers. BALASHOV: [redacted] POSNER: You have made the claim that Kamailio has been infiltrated by Russian spy agencies. Given that it's an open-source project, that's a bold and provocative claim. Where's the evidence? BALASHOV: Infiltration is perhaps strong word from spy novels. Reality is less thrilling. As you are knowing from controversy about election of our Donald, covert global influence today is mainly question of soft power. POSNER: Is there an obvious way in which this applies to the Kamailio project you can show us? I remind you that you have staked your personal freedom on this issue. BALASHOV: Influence is delicate matter. Da, of course there are some superficial indications... POSNER: Such as? BALASHOV: For example module to support language Squirrel. What is Squirrel? Who uses it? If you take a look at code is a bit complicated, da? What does it do? POSNER: It is a bit complicated, But I'm not convinced. Sell me. BALASHOV: It was in fact committed to GitHub by former Eastern Bloc personality, yes? Very complicated code for unknown mystery language support from Eastern Europe... POSNER: Yes, from the main developer and leader of the project. BALASHOV: Hmm. POSNER: What else? BALASHOV: There is a Ukranian [redacted] who is in charge of many SIP captures with system which diverts them to central database, yes? Something with name from ancient Greek troubadour or myths maybe? POSNER: We'll have to look into that. BALASHOV: Kamailio World is held every year in East Berlin. Every year back to Berlin. POSNER: So what? BALASHOV: Where do most guests of it spend their night? POSNER: [audible crack of pistol whip] This is not a quiz show! I ask the questions here. BALASHOV: Yes, yes, okay, they are at the Park Inn at Alexanderplatz. POSNER: And? BALASHOV: The history of this hotel in East German times and Stasi presence there... POSNER: That aspect of history is well-known. BALASHOV: Da... then is clear. POSNER: What are the strategic goals of Russia with regard to open source communication infrastructure? BALASHOV: From news lately can be seen that is soft power leveraging and economic sabotage. POSNER: Economic sabotage? How will they achieve that with open source? BALASHOV: Again is question of delicate influence in small ways. This is not time of Arab dignitaries visiting KGB hotels in Moscow in 1970s or this kind of naked and obvious trick. POSNER: [raises pistol] You are here to provide specifics. BALASHOV: Yes yes, okay. Well, I am not policy architect at Khoroshovskoe Shosse, but general point of view with colleagues is that best approach to Western countries is to encourage kind of "boondoggles" [air quotes] which consume large economic resources with very little benefit. POSNER: Does Russia create boondoggles in America? BALASHOV: No no. We don't have this level of direct influence to create per se. You can see from recent activities of Internet Research Agency for example that the successful approach is the one which will amplify or grow existing boondoggles which lead to kind of systemic dysfunction, through for example injection of kind of "memes" [air quote gesture] and "trolls" [air quote gesture]. POSNER: Where has Russia been successful at this specifically as it relates to the Kamailio, the VoIP industry, and real-time communications? BALASHOV: The GRU are very successful at disinformation campaign to convince business executives about cloud things. They are always listening to our "thought leadership" [air quote gesture] to move to cloud, mostly Amazon Web Services, which is great for us since is worst possible approach. At industry events our people are always pushing very much cloud cloud cloud, you know, like a stampede of rhinoceroses to cloud, don't miss out on cloud! Don't be left on the ground, fly away to cloud! We have great podcas-- POSNER: --stop. But there is a legitimate value proposition for service providers in moving to the cloud, isn't there? BALASHOV: Yes, for some maybe, but for example AWS is platform not designed at all for telecom, is kind of Node.js and Ruby on Rails hosting service. POSNER: Where is the economic sabotage? BALASHOV: Well they are spending one month $30,000 to Amazon, next month $35,000, next month $40,000, always bigger instances, bigger, bigger, to handle even very basic work. Official sexy seduction mythology is you can fire all the system admins and no longer replace hard drives at 3 AM and forget all this messing with hardware. Is very hard to resist for big business leaders who follow classical Western management consulting sermon from 90s about "divest yourself of non-core competencies" [air quote gesture]. You know, it is same advice they come to give to us in Gaidar and Yeltsin days. From my memory was not working out well until First Marshal Putin took different approach... POSNER: Let's stay focused. Surely companies can run the numbers for themselves and see if it makes sense for them? BALASHOV: Maybe, but where we have the success is in the exploit of the fear of missing out, I think is called "FOMO" [air quote gesture] nowadays. Everyone is moving to cloud, don't get left behind, even if unit economics of it are disaster for your product and your company. Have you heard about the cloud? It's future! POSNER: And this has been successful? BALASHOV: Hard to measure but for example there is major increase in mailing list posts about putting Kamailio in Amazon EC2, EC2, endless EC2 from people for whom it is obviously wrong thing. Lots of wheels spinnink, spinnik, making fire and sparks, light and heat going into cold, empty outer space, to keep warm our GLONASS satellites. But where is result? All cost increase. And still the $3000/mo instance does not process small amount of packets that is nothing for bare metal server. Meanwhile spendink, spendink, solvink big amounts of kind of fake problems... I heard this expression once in Atlanta, "keep up with Jones" [air quote gesture]. I don't know who is Jones but everyone agrees is very important to keep up with h-- POSNER: --back up. Fake problems? BALASHOV: Maybe is better word: unnecessary problems that come from way AWS inside workings. Stupid network constraints, stupid puzzles for puzzle-solvers. What is American term, "eager beaver" [air quote gesture]? POSNER: Apart from tying up resources, how does this enthusiasm for AWS help Russia? BALASHOV: Well it should be obvious that having whole industry pay huge premium price to centralise their infrastructure at one entity is both economically wasteful and precarious. Fragile and expensive setup is like our Soviet economy at end of eighties. Also havink resemblance to old-times mainframe computing is top secret irony nobody sees. POSNER: Where else is Russia seeding economically harmful memes? BALASHOV: Other big initiative is encourage huge overinvestment in WebRTC because is supposedly future of real-time communications. POSNER: But WebRTC is real. BALASHOV: Da, of course, sometimes workink fine, but eats up big engineering capital and talent fighting always browser bugs and incompatible implementations and always changink changink changink. Meanwhile who is caring for fundamental SIP services? POSNER: And this is a form of economic sabotage? BALASHOV: Of course is sabotage. If you can make much of a sector of economy to obsess always about some toy and create kind of echo chamber of "visionary" [air quote gesture] commentary about it it is negative for GDP and innovation. "Vision" has shown the big success for us; is perfect concept in hand of intelligence agency because nobody is knowing what it is but everyone so desperate to show they have it. POSNER: So a large-scale movement of VoIP service providers to the cloud and big development around WebRTC represent Russian attempts at sabotage of the Western real-time communications industry? BALASHOV: Well again, these tendencies are existing before. It is more question of amplifying and boosting and promoting them so many actors are distracted from important things. American business guys are very vulnerable to it; every time they are asking, "this does not seem to be worth it for us?", always they hear from friends at country club, "you need more bold vision and company culture of innovation, my friend". We have learned after some years and applying KGB psychology training to exploit their big personal insecurities about many things. For example they see competitor have Cloud Business Analytics, they too must have now Cloud Business Analytics, not for any reason, just fear, insecurity, the angst about not having enough "Big Data" [air quote gesture]. POSNER: What else? BALASHOV: In recent years can be found thought leadership to remove direct sales because is inefficient, too high customer acquisition cost and so forth. Always now resellers, channel partners this and master agents that. Common sense shows industry cannot support chain with big depth of reseller of reseller of reseller with everyone wanting to be reseller and nobody selling actual products to the real people. POSNER: That's not new to telecom. BALASHOV: No, no, but now new twist! They are now having everything "as a service" [air quote gesture], platform-aaS, infrastructure-aaS... POSNER: Okay? BALASHOV: But also now infrastructure management-as-a-service and kind of meta approach, management-of-management-of-platform-aaS. Resellers of resale platforms of platforms of platforms. Maybe not quite clear, but this is special recursive sense of humour tradition in Russia. Put endless things inside things inside things like matryoshka doll. Again-- POSNER: --matryoshka? Like the Russian nesting doll? BALASHOV: Yes yes, nesting doll. As I was saying key point is lots of "activity and buzz" [air quote gesture] which is parasitism by another name. Lots of energy and enthusiasm, big banners, hype from UC press, LinkedIn Pulse CTO insights, cheerleadink, but where is result? POSNER: How is this all tied to Kamailio? BALASHOV: Some of it is not directly tied. It is more idea that Kamailio is tool for executing "big ideas" [air quote gesture] and "platform plays" [air quote gesture]. When you are reading mailing list post like, "how to scale up with Kamailio to deliver cloud WebRTC solutions for the enterprise?" and wonder with yourself "from where this small guy got such 'big ideas'?" is often result of Russian-sponsored so-called thought leadership. Who is he? He does not have enterprise! POSNER: What's wrong with that question? BALASHOV: Well from our point of view nothing; great question, bold and inspiring! We are encouraging them always to go build grandiose megalomania ideas, telling to them, yes, "boil the ocean", "be disruptor 2.0", etc. Have you seen ITEXPO? Ideally also raising some venture capital to erase value from fund limited partners portfolio, like pension funds, university endowments. Although sometimes we feel sorry, knowink they will not meet the success, and almost have heart to tell them is just trollink, but our government is clear about goal: work hard every day to suck money out of American economy. POSNER: So it is in Russia's interest to see big ideas funded in America? BALASHOV: Oh yes yes! Bigger is better! First mover advantage and network effect, go big or go home trailblazink! On every time someone gets the Series A for "completely transforming the way you do the business with UCaaS" [air quote gesture] or like "a new kind of next-gen VoIP peering" [air quote gesture] we are having another champagne bottle at the headquarters. POSNER: This does not really sound like traditional intelligence work. BALASHOV: Is not. We are livink in Internet cultural moment, is about memes, engineering perceptions and mass behaviour, new kind of value creation. Likewise destruction. POSNER: We will consider your asylum application in detail. In the meantime, you will be detained at [redacted] as before. BALASHOV: This is famous American tradition of "customer service"? POSNER: We call it "customer success" nowadays.

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Re: [SR-Users] BIG NEWS: Launching NODAILIO - Arcticficial Intelligence (tm) SIP Server
by Carsten Bock 01 Apr '18

01 Apr '18

Hi, Is this the new 5G, Block-Chain powered, self driving vehicle, everybody's been talking about? Thanks, Carsten P.S.: Since the stock value likely just doubled: Do I have any stock-options? Alex Balashov <abalashov(a)evaristesys.com> schrieb am So., 1. Apr. 2018, 18:36: > Most important thing about Nodailio is that it has no security > vulnerabilities. > > None whatsoever. > > -- Alex > > -- > Sent via mobile, please forgive typos and brevity. > > _______________________________________________ > Kamailio (SER) - Users Mailing List > sr-users(a)lists.kamailio.org > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >

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BIG NEWS: Launching NODAILIO - Arcticficial Intelligence (tm) SIP Server
by Daniel-Constantin Mierla 01 Apr '18

01 Apr '18

With Kamailio being compromised after Alex Balashov's exposure earlier today, it is the time to launch the next generation SIP server named: NODAILIO It is built in NODE.js for NODE.js, with an Arcticficial Intelligence engine at its core (easy to spot: nod.AI.lio), therefore it is capable of all the present and *future* features of Kamailio. Full source code has been made public from second 0 to avoid any interference from alexiens. Usage guidelines and more details are available at: * https://github.com/miconda/nodailio Thanks for sailing nodailio! Daniel -- Daniel-Constantin Mierla www.twitter.com/miconda -- www.linkedin.com/in/miconda Kamailio Advanced Training - April 16-18, 2018, Berlin - www.asipto.com Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com

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statistics (ASR and ACD) by destination/country
by Abdoul Osséni 30 Mar '18

30 Mar '18

Hello dear list, I am looking for a tool that will provide me call statistics (ASR and ACD) by destination/country with alerting by emails. I try to detect when a sip provider does not work well in order to route the traffic to another sip provider. Thank you. Abdoul OSSENI AfriCallShop

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KEMI basic logging
by Eugene Prokopiev 30 Mar '18

30 Mar '18

Hi, Tried just to reject any request with some log message: $ cat kamailio/Dockerfile FROM centos:centos7 RUN yum update -y RUN yum install -y wget RUN wget -O /etc/yum.repos.d/kamailio.repo http://download.opensuse.org/repositories/home:/kamailio:/v5.1.x-rpms/CentO… RUN yum install -y kamailio kamailio-lua VOLUME /etc/kamailio ENTRYPOINT ["kamailio", "-DD", "-E"] $ cat kamailio/config/kamailio.cfg listen=udp:0.0.0.0:5060 loadmodule "tm.so" loadmodule "sl.so" loadmodule "xlog.so" loadmodule "app_lua.so" modparam("app_lua", "load", "/etc/kamailio/kamailio.lua") cfgengine "lua" $ cat kamailio/config/kamailio.lua function ksr_request_route() KSR.log("===== request - from kamailio lua script\n") KSR.sl.send_reply(503, "Server not configured") end Result is: kamailio_1 | 12(18) CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 5 kamailio_1 | 0(1) ALERT: <core> [main.c:746]: handle_sigs(): child process 7 exited by a signal 11 kamailio_1 | 0(1) ALERT: <core> [main.c:749]: handle_sigs(): core was generated vms_kamailio_1 exited with code 1 But valid response '503 Server not configured' with commented KSR.log. So, how to log propertly? -- WBR, Eugene Prokopiev

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Re: [SR-Users] How to determine correct port to set in record-route header
by Pranathi Venkatayogi 30 Mar '18

30 Mar '18

Any help? From: Pranathi Venkatayogi Sent: Monday, January 23, 2017 2:35 PM To: 'Kamailio (SER) - Users Mailing List' <sr-users(a)lists.sip-router.org> Subject: How to determine correct port to set in record-route header Hi, I am using Kamailio behind NAT, unable to figure how to make it put “public ip” in Record-route header, I am manually inserting the hard-coded header myself as below. However now I am having trouble choosing the right port number in all scenarios. $var(dstPort) = 5061; if (dst_port==5060) { $var(dstPort) = 5060; } insert_hf("Record-Route: <sip:MY_PUBLICIP_ADDR:$var(dstPort);transport=tls;lr;nat=yes>\r\n", "Record-Route"); In one scenario I see the conflicting port numbers in “via” header vs “Record route”. The ACK is being set to port 5060 based on Record route header and is not being received by the callee. 2017-01-23 14:52:49.970233 [blink.exe 2780]: SENDING: Packet 11, +0:00:36.411867 10.0.27.108:58217 -(SIP over TLS)-> 172.31.211.31:5061 SIP/2.0 180 Ringing Via: SIP/2.0/TLS 63.149.103.72:5061;received=172.31.211.31;branch=z9hG4bK4799.7067bd2a48063748a4c353fa408eaefa.0 Via: SIP/2.0/UDP 10.0.16.52;rport=5060;branch=z9hG4bK4799.935a27c6ef5ad112225964cbe7c1be44.0;i=2 Via: SIP/2.0/TLS 10.11.200.12:51793;rport=51793;received=10.11.200.12;branch=z9hG4bKPj49f6aeca3f9b4155ab4c5304b544aa4d;alias Record-Route: <sip:63.149.103.72:5060;transport=tls;lr;nat=yes> Record-Route: <sip:10.0.16.52:5061;transport=tls;lr;nat=yes> Call-ID: 09ce10efa6a946bf9445ccc21857393e From: "cust1" <sip:cust1@devtranslation.sms-test.cyracom.com>;tag=95082caabecc42548c2fec5ccd29e5de To: <sip:spanish@translation.sms-test.cyracom.com>;tag=ec365cc8489b48a7bc5725d21b7d97a1 CSeq: 17422 INVITE Server: Blink 3.0.0 (Windows) Contact: <sip:20745891@10.0.27.108:58216;transport=tls> Allow: SUBSCRIBE, NOTIFY, PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER Content-Length: 0 Questions: 1. How can I let in-built record-route function automatically choose “public ip” so I can get rid of my manual insertion altogether. 2. If no option, what is the right way to choose the port on which packet is being received, so it is same as what is on “VIA”. 3. Any other pointers to improve the logic here?

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kamailio it does not start after reboot
by Atux Atux 30 Mar '18

30 Mar '18

i am installing Kamailio using apt in a debian 8 machine by following this guide http://kb.asipto.com/kamailio:skype-like-service-in-less-than-one-hour i managed to create a few users and through Jitsi to talk to each other. once i reboot the machine, then the problems start and Kamailio cannot start. here are a few details from my system. -/etc/apt/sources.list the part for Kamailio #Kamailio deb http://deb.kamailio.org/kamailio51 jessie main deb-src http://deb.kamailio.org/kamailio51 jessie main -Version info Distributor ID: Debian Description: Debian GNU/Linux 8.10 (jessie) Release: 8.10 Codename: jessie -root@debian:~# systemctl start kamailio Job for kamailio.service failed. See 'systemctl status kamailio.service' and 'journalctl -xn' for details. root@debian:~# /etc/init.d/kamailio start [....] Starting kamailio (via systemctl): kamailio.serviceJob for kamailio.service failed. See 'systemctl status kamailio.service' and 'journalctl -xn' for details. failed! Any ideas, please?

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180 and 183 SIP messages
by Ali Taher 30 Mar '18

30 Mar '18

Hello everyone, I'm working on freeswitch , where I have SIP calls coming from A-Party to my freeswitch and I'm routing it to B-Party. I'm facing an issue , when I'm getting back the 183 message from the supplier(B-Party) and forwarding it to the customer(A-Party); the customer is not hearing the RBT and asking to send 180 rather than 183 . (the supplier is only sending 183 without 180). Is it possible using kamailio to replace this 183 message with 180 message , or even add 180 message while keeping the same 183 message ? Regards, Ali Taher

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kamailio & vmware
by Jean Cérien 29 Mar '18

29 Mar '18

Hello We are running a kamailio 5.0 on a VMWARE / VSPHERE 6.0 vm, with a couple of asterisk running on 2 physical hosts. Audio goes straight to the asterisk, no rtpengine / rtpproxy. I actually have no audio issues, but communication between the asterisk & kamailio for sip sometime fails - I get a few 408. I cant tell if this is network related or virtualisation related. Anyone has advice on kamailio on a VM, when it only handles sip ? Rgds J.

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Kamailio fails to start because of jsonrpl
by Dmitry 29 Mar '18

29 Mar '18

Kamailio fails to start and I see the following errors: kamailio[2115]: ERROR: <core> [core/pvapi.c:1085]: pv_parse_spec2(): bad tr in pvar name "jsonrpl" kamailio[2115]: ERROR: <core> [core/pvapi.c:1111]: pv_parse_spec2(): invalid parsing in [$(jsonrpl(body){kz.json, result.NRSETS})] at (4) kamailio[2115]: CRITICAL: <core> [core/cfg.y:3447]: yyerror_at(): parse error in config file /etc/kazoo/kamailio/dispatcher-role.cfg, line 243, colu...ult.NRSETS}) I installed kamailio-json-modules, Kamailio v5.1.2 installed from DEB packets from deb.kamailio.org What is the cause of the error?

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Kamailio to Asterisk Proxy with NAT
by Benjamin Marty 29 Mar '18

29 Mar '18

Hello, I have multiple Asterisk Servers in a private Network. They also have a Public IP via Destination NAT. Now I want to use a Kamailio Proxy in front of them. The Routing I want to do with the Kamailio Dispatcher module. My Question is now how the RTP Media Stream should/can flow. The clients are in different other networks. So P2P Media Stream isn't possible. Should I now run the RTP Stream Client - Asterisk or Client - Kamailio - Asterisk? Is there an Example for an such scenario? Thanks Benjamin

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Missing exit function on KEMI?
by Enrico Bandiera 29 Mar '18

29 Mar '18

Hello, I'm trying to use the KSR.x.exit() function in a KEMI python script but at runtime i get this error: KSR.x.exit() AttributeError: 'module' object has no attribute 'exit' It seems that the exit function is missing even though it is documented. My kamailio version is: kamailio 5.2.0-dev4 (x86_64/linux) (it's a nightly) Any idea on what I can do? Thanks, Enrico.

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Kamailio NAT AWS EC2
by Benjamin Marty 29 Mar '18

29 Mar '18

Hi, I am new to Kamailio and coming a bit from the Asterisk side. My goal is to set up a bunch of users on a Kamailio Instance on AWS EC2 and get them able to call each other and talk to each other over the Internet without P2P media stream. Is rtpproxy the tool that enables that? As far my knowledge is right Kamailio isn't able to do any sort of RTP handling. Regards, Benjamin

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kamailio with media server
by Atux Atux 28 Mar '18

28 Mar '18

Hi. New to the area of Kamailio. i am did install in debian kamailio with rtpproxy and i have created 3 users 1000-10002 (one for each jitsi user) they talk nice between them. I have followed this tutorial http://kb.asipto.com/kamailio:skype-like-service-in-less-than-one-hour and in less than 5 minutes i had my accounts registered. i would like to have a media server so the users could hears announcements and stuff. At the end i would like to have kamailio as a test lab PBX where i could connect my SIP trunk providers and my users to route calls. Is there any guide on how to setup a media server and the services, please?

3 5

is t_flush_flags() really needed?
by Juha Heinanen 28 Mar '18

28 Mar '18

While testing xflags, i noticed that a regular flag that I set AFTER calling t_newtrans() stays set in onreply_route even when I do not call t_flush_flags(). In a route block: if (!t_newtran()) { ERROR(Failed to create new transaction for $rm <$ru>); exit; }; if (!isflagset(19)) INFO(******** flag 19 is NOT set after t_newtran()); setflag(19); and in onreply_route: if (isflagset(19)) INFO(********* flag 19 is set); else INFO(********* flag 19 is NOT set); Syslog gets: Mar 25 11:24:41 trout /usr/bin/sip-proxy[21362]: INFO: ******** flag 19 is NOT set after t_newtran() Mar 25 11:24:41 trout /usr/bin/sip-proxy[21433]: INFO: ********* flag 19 is set So what is the point of t_flush_flags()? -- Juha

2 3

Terminate dialog from another dialog
by Joel Serrano 27 Mar '18

27 Mar '18

Hi guys, I'm trying to set kamailio to not allow simultaneous calls from the same user, but if a second call comes in, the behavior desired is to process that second call and terminate the previous (already active) one. Say you have call A that creates dialog A. Then you have call B come in, creates dialog B. Can I save some info from dialog (call) A in a htable for example, then check that htable for the needed info from dialog (call) B and terminate dialog (call) A if it exists? I think using dlg_get() and dlg_bye() would do the trick but not 100% sure how they work.. The example in the docs seems exactly the case: dlg_get --> "Search and set current dialog based on Call-ID, From-Tag and To-Tag parameters" if(dlg_get("abcdef", "123", "456")) { dlg_bye("all"); } After the dlg_get() and dlg_bye() what happens to call B? Does the route continue running or does it end? Will it automatically switch back to the current dialog or do you have to manually switch back running dlg_get() again? (Sorry if I'm not explaining myself correctly, let me know if it sounds confusing) Does anyone have experience with these two functions? Thanks, Joel.

2 4

kamailio 5.0.6 try to using dialog module - dont starts dialog counting
by Karsten Horsmann 27 Mar '18

27 Mar '18

Hello, i try to get dialog-infos to see how many calls are running on my kamailio. But i can not figure out what steps are necessary to get this running. loading the module and the dependencies - check. set and dlg_flag via module param - check. MUST i use a DB?! Or what is missing? kamctl stats | grep dialog "dialog:active_dialogs = 0", "dialog:early_dialogs = 0", "dialog:expired_dialogs = 0", "dialog:failed_dialogs = 0", "dialog:processed_dialogs = 0", the dialog snippets (grep out ouf my config): #!define DLG_FLAG 8 loadmodule "dialog.so" modparam("dialog", "dlg_flag", DLG_FLAG) modparam("dialog", "dlg_match_mode", 1) modparam("dialog", "rr_param", "did") modparam("dialog", "profiles_with_value", "active_calls; inbound_calls; outbound_calls") modparam("dialog", "send_bye", 1) modparam("dialog", "enable_stats", 1) modparam("dialog", "dlg_extra_hdrs", "Hint: inactivity timeout\r\n") # Added to requests generated locally by the module (e.g. BYE) modparam("dialog", "track_cseq_updates", 1) -- Kind Regards *Karsten Horsmann*

4 5

To tags in 407 challenges
by Alex Balashov 27 Mar '18

27 Mar '18

Hi, This may be more a SIP question than a Kamailio question, but I am trying to figure out why 407 challenges from Kamailio contain To tags. I suppose I've not run across it before, and I can't find an RFC-based rationale. A negative reply to an invite transaction without an intermediate early dialog-forming reply (e.g. 183 with To tag) does not form a dialog, nor takes place within a context in which a dialog was created. So what gives? Insights appreciated! -- 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/

3 4

Bug in evrexec module?
by Skip Morse 27 Mar '18

27 Mar '18

Hi all, anyone try the evrexec module yet? When I try, Kamailio fails to start and I'm getting an error that it can't find the event route I'm specifying in the modparam, but I started with trying the example from the docs. I think it might be a bug https://www.kamailio.org/docs/modules/5.1.x/modules/evrexec.html Here's what I tried: modparam("evrexec", "exec", "name=evrexec:timer;wait=1000;workers=1;") event_route[evrexec:timer] { $var(x) = 0; while(1) { xlog("$$var(x) is $var(x)\n"); $var(x) = $var(x) + 1; sleep("600"); } } Here's the log: 0(1765) ERROR: evrexec [evrexec_mod.c:232]: evrexec_param(): event route not found: evrexec:timer 0(1765) CRITICAL: <core> [core/cfg.y:3450]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 136, column 70: Can't set module parameter ERROR: bad config file (1 errors) Version info: kamailio -V version: kamailio 5.1.2 (x86_64/linux) flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, 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_BLACKLIST, HAVE_RESOLV_RES ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: unknown compiled on 06:41:34 Mar 9 2018 with gcc 4.8.5 Thoughts? Thanks, -Skip

2 2

Removing a cipher
by Wilkins, Steve 27 Mar '18

27 Mar '18

Hello all, I am using Kamailio 5 and am trying to remove the Diffie-Hellman ciphers but have had no luck. I have researched it and have not seen any articles yet where anyone has had any luck. I need to be able to connect from webrtc port 443. Has anyone had any luck with the cipher-list? Thank you, -Steve

1 0

Dispatcher Routing Failure
by Daniel W. Graham 27 Mar '18

27 Mar '18

What constitutes a 'failed request' in dispatcher module, in which a gateway is marked inactive? >From documentation - ds_ping_interval With this parameter you can define the interval for sending a request to a gateway marked as inactive upon a failed request routing to it. ds_probing_threshold If you want to set a gateway into inactive mode, there can be a specific number of failed requests until it will change from "active" to "inactive". Thanks, -dan

2 4

Regular Expression Syntax
by Duarte Rocha 27 Mar '18

27 Mar '18

Greetings, I'm having some trouble with the syntax used in the {re.subst,expression} method. What i want to do is add a prefix to a capture group. I can make it work like that /^[0-9]+/prefix$tU/ but this solution is far from perfect since i may not need the entire $tU. I would like to use it like this /^[0-9]+/prefix\1/ in order to not limit my regex to Kamailio only. When i do it like this the regex result is only "prefix". What's the correct syntax to add a prefix using the capture group ? Thanks in advance

2 1

topos_redis and session-timer timeouts
by Daniel Tryba 27 Mar '18

27 Mar '18

I was testing topos with a mysql backend and all was fine. But since the purpose of this machine doesn't require a complete mysqlserver I tried the redis backend. With redis the calls will drop after some timeout (somewhere < 450 seconds (session timer set to 900)). Config: # topos modparam("ndb_redis", "server", "name=srv2;addr=127.0.0.1;port=6379;db=2") modparam("topos", "storage", "redis") modparam("topos_redis", "serverid", "srv2") #modparam("topos", "storage", "db") #modparam("topos", "db_url", DBURL) modparam("topos", "mask_callid", 0) modparam("topos", "sanity_checks", 0) modparam("topos", "branch_expire", 180) modparam("topos", "dialog_expire", 10800) modparam("topos", "clean_interval", 60) The call will end on the first session-time firing with a "404 Not here" Debug contains: Mar 27 12:20:56 kam kamailio[11649]: DEBUG: topos_redis [topos_redis_storage.c:962]: tps_redis_load_dialog(): loading dialog record for [d:z:atpsh-5aba19b2-2d7f-2] Mar 27 12:20:56 kam kamailio[11649]: DEBUG: ndb_redis [redis_client.c:878]: redisc_exec_argv(): rsrv->ctxRedis = 0x55a7c8da8500 Mar 27 12:20:56 kam kamailio[11649]: DEBUG: topos_redis [topos_redis_storage.c:980]: tps_redis_load_dialog(): hmap with key [d:z:atpsh-5aba19b2-2d7f-2] not found This records was inserted/updated: Mar 27 12:17:10 kam kamailio[11647]: DEBUG: topos_redis [topos_redis_storage.c:253]: tps_redis_insert_dialog(): inserted dialog record for [d:z:atpsh-5aba19b2-2d7f-2] with argc 26 Mar 27 12:17:10 kam kamailio[11647]: DEBUG: topos_redis [topos_redis_storage.c:282]: tps_redis_insert_dialog(): expire set on dialog record for [d:z:atpsh-5aba19b2-2d7f-2] with argc 3 Mar 27 12:17:11 kam kamailio[11648]: DEBUG: topos_redis [topos_redis_storage.c:962]: tps_redis_load_dialog(): loading dialog record for [d:z:atpsh-5aba19b2-2d7f-2] Mar 27 12:17:11 kam kamailio[11648]: DEBUG: topos_redis [topos_redis_storage.c:1293]: tps_redis_update_dialog(): updated dialog record for [d:z:atpsh-5aba19b2-2d7f-2] with argc 6 Mar 27 12:17:11 kam kamailio[11648]: DEBUG: topos_redis [topos_redis_storage.c:962]: tps_redis_load_dialog(): loading dialog record for [d:z:atpsh-5aba19b2-2d7f-2] Mar 27 12:17:11 kam kamailio[11648]: DEBUG: topos_redis [topos_redis_storage.c:1293]: tps_redis_update_dialog(): updated dialog record for [d:z:atpsh-5aba19b2-2d7f-2] with argc 6 Mar 27 12:17:11 kam kamailio[11650]: DEBUG: topos_redis [topos_redis_storage.c:962]: tps_redis_load_dialog(): loading dialog record for [d:z:atpsh-5aba19b2-2d7f-2] Mar 27 12:17:11 kam kamailio[11650]: DEBUG: topos_redis [topos_redis_storage.c:962]: tps_redis_load_dialog(): loading dialog record for [d:z:atpsh-5aba19b2-2d7f-2] Mar 27 12:17:11 kam kamailio[11650]: DEBUG: topos_redis [topos_redis_storage.c:1381]: tps_redis_end_dialog(): updated on end the dialog record for [d:z:atpsh-5aba19b2-2d7f-2] with argc 6 Mar 27 12:17:11 kam kamailio[11650]: DEBUG: topos_redis [topos_redis_storage.c:1412]: tps_redis_end_dialog(): expire set on branch record for [d:z:atpsh-5aba19b2-2d7f-2] with argc 3 It looks like the last update/expire sets the timeout to 180s, so the not found is reasonably expected. But why is it that these records aren't deleted in the mysql backend? 0000 00 00 03 04 00 06 00 00 00 00 00 00 00 00 08 00 ................ 0010 45 00 00 6d 0a 52 40 00 40 06 32 37 7f 00 00 01 E..m.R@.@.27.... 0020 7f 00 00 01 b1 0c 18 eb c4 68 f0 3b 93 17 20 b0 .........h.;.. . 0030 80 18 03 d6 fe 61 00 00 01 01 08 0a 00 08 50 67 .....a........Pg 0040 00 08 50 67 2a 33 0d 0a 24 36 0d 0a 45 58 50 49 ..Pg*3..$6..EXPI 0050 52 45 0d 0a 24 32 35 0d 0a 64 3a 7a 3a 61 74 70 RE..$25..d:z:atp 0060 73 68 2d 35 61 62 61 31 39 62 32 2d 32 64 37 66 sh-5aba19b2-2d7f 0070 2d 32 0d 0a 24 33 0d 0a 31 38 30 0d 0a -2..$3..180..

1 2

Kamailio Call monitoring
by Tomi Hakkarainen 27 Mar '18

27 Mar '18

Hi you all, I have set up Kamailio and RTPProxy in front of Asterisk. Currently successfully able to route calls from two differrent SIP-Trunk providers terminated to Kamailio and RTPProxy. I would like to get a view of calls currently running through Kamailio? I should be able to see some details about the call like the calling called numbers and the time call has been active. I’m not sure if Siremis would provide such view. Also looked Homer and also not sure it has something like that. Still those provide much more like for troubleshooting. If anyone has idea how that would be possible to accomplish or know that there already is such implementation I would be interested. Tomi

3 3

Kamailio send 2 Invite request for Client behind NAT
by amit Kumar 27 Mar '18

27 Mar '18

Hi All, Kamailio send 2 Invite request for Client behind NAT. due to this reason for one request,Client respond with 486 Busy here. we only want to send 1 INVITE request. Following are the AOR for client at kamailio.if field(ip port) in CONTACT and RECEIVED differ then kamailio send 2 INVITE request. Please advice if there is any way to send only ONE INVITE*.* AOR:: 123 Contact:: sip:123@*192.168.230.124:45672 <http://192.168.230.124:45672>* Q=1 Expires:: 894 Callid:: 003A8EC4-12351(a)192.168.230.124 Cseq:: 2 User-agent:: SIPPER for 3CX Phone Received:: sip:*204.192.206.208 <http://204.192.206.208>: 45672 * State:: CS_NEW Flags:: 0 Cflag:: 192 Socket:: udp:172.12.120.88:5060 Methods:: 4294967295 Ruid:: uloc-5aba112d-7fce-5 Reg-Id:: 0 Last-Keepalive:: 1522144583 Last-Modified:: 1522144583 thanks, amit

1 0

Kamailio NAT AWS EC2
by Ilie Soltanici 27 Mar '18

27 Mar '18

Hi, First of all, check if SIP Traffic is going through your SIP Server, not directly between Endpoints. To do this check if Record-route parameter is set in configuration file: record_route(); https://www.kamailio.org/docs/modules/5.1.x/modules/rr.html Also, be sure that in SDP body you have External IP of your Kamailio/RTPproxy. If Kamailio is behind NAT you may need to use fix_nated_sdp function from nathelper module: https://www.kamailio.org/docs/modules/5.1.x/modules/nathelper.html#nathelpe… Regards,

1 0

NOTIFY message without XML part
by denislav.tsonev＠musala.com 27 Mar '18

27 Mar '18

Hello, I use kamailio 5.1.1 with default configuration for PRESENCE: Route: #!ifdef WITH_PRESENCE if (!t_newtran()) { sl_reply_error(); exit; } if(is_method("PUBLISH")) { handle_publish(); t_release(); } else if(is_method("SUBSCRIBE")) { handle_subscribe(); t_release(); } exit; #!endif and modparams: #!ifdef WITH_PRESENCE # ----- presence params ----- modparam("presence", "db_url", DBURL) # ----- presence_xml params ----- modparam("presence_xml", "db_url", DBURL) modparam("presence_xml", "force_active", 1) #!endif I use and GRANSTREAM phones. When I make subscribe from soft sip client (Micro sip) to the grandstreams, all NOTIFY messages are without XML. Subscriptions between two soft sip clients like Zoiper and Micro SIP works perfectly. Is this related to GRANDSTREAM phones - configuration or so... or is necessary to modify kamailio configuration and if Yes, please provide some hitns how to change kamailio config? Thanks in advance. Best regards. Denislav Raychev Tsonev | Integration and Infrastructure Engineer | Musala Soft JSC www.musala.com | t: +359 2 969 58 21 | m: +359 878 270 965 | f: +359 2 969 58 22 World Trade Center, 36 Dragan Tsankov blvd., Sofia 1057, Bulgaria

1 0

Strange auth_challenge behaivor on 407
by Yuriy Gorlichenko 27 Mar '18

27 Mar '18

Hi I'm using version: kamailio 5.1.2 I have strange issue with auth_challenge kamialio works as NAT handler. When Register comes kamailio handles nat and save original ip:port at the received field in location table I found that when local port in contact is different than external port reply 407 on INVITE comes to externalip (from received) : internalport(from contact) And never reaches destination for exmaple Register comes from 192.168.1.10:50555 Kamailio saves at the Received 12.1.1.12:1030 but when invite comes form 12.1.1.12:1030 kamailio sends reply to 12.1.1.12:50555 i don't think that this is an issue in kamailio source code but i can find where i can configure it

2 2

How should i configure kamailio connection freepbx?
by 星昊通技术 27 Mar '18

27 Mar '18

hello all: I install kamailio 5.1 and siremis 5.1, I want to configure kamailio connection freepbx, how should i configure kamailio vai siremis GUI? Thanks. ------------------ Best regards! alex Hiastar 深圳星昊通科技 Sangoma in APAC, 潮流网络IP话机，IPPBX Asterisk cards, SBC, NetBorder VOIP Gateway, Transcoding, 潮流网络IP话机 QQ：2933996052 website:www.hiastar.com|www.freepbx.cn, contact number: 13574109204 关注微信公众帐号：Asterisk-CN

2 1

Help on setting UP SIP PRoxy
by Mohammed Ayub 26 Mar '18

26 Mar '18

HI, Myself Ayub from Phonology, Bangalore, India. We are trying to set up an SIP proxy server using Kamailio with Siremis as web interface. Have installed and configured kamailio and siremis but need help in config if sip domain , users and etc... Please revert. Regards Ayub

2 1

Can't get route[AUTH] working as expected.
by Aqs Younas 25 Mar '18

25 Mar '18

Greetings list. I can see that I was able to bypass the default route[AUTH] if I send an invite containing from_uri which is not local but requested line containing a local user. llisten=udp:172.16.40.10:5060 route[AUTH] { #!ifdef WITH_AUTH #!ifdef WITH_IPAUTH if((!is_method("REGISTER")) && allow_source_address()) { # source IP allowed return; } #!endif if (is_method("REGISTER") || from_uri==myself) { # authenticate requests if (!auth_check("$fd", "subscriber", "1")) { auth_challenge("$fd", "0"); exit; } # user authenticated - remove auth header if(!is_method("REGISTER|PUBLISH")) consume_credentials(); } # if caller is not local subscriber, then check if it calls # a local destination, otherwise deny, not an open relay here if (from_uri!=myself && uri!=myself) { sl_send_reply("403","Not relaying"); exit; } #!else # authentication not enabled - do not relay at all to foreign networks if(uri!=myself) { sl_send_reply("403","Not relaying"); exit; } #!endif return; } Below INVITE get passed above auth route. INVITE sip:60129879190@172.16.40.10 SIP/2.0 Via: SIP/2.0/UDP 139.5.177.91:5060;branch=z9hG4bK31edc7f4;rport Max-Forwards: 70 From: <sip:0128888877@139.5.177.99>;tag=as2274e806 To: <sip:60129879190@172.16.40.10> Contact: <sip:0128888877@139.5.177.91:5060> Call-ID: 7b6d32bc6c679bb23eb248b955c0ac8b@139.5.177.91:5060 CSeq: 102 INVITE User-Agent: FPBX-13.0.194.2(13.17.0) Date: Fri, 23 Mar 2018 09:33:01 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE Supported: replaces, timer Content-Type: application/sdp Content-Length: 321 v=0 o=root 237494576 237494576 IN IP4 139.5.177.99 s=Asterisk PBX 13.17.0 c=IN IP4 139.5.177.99 t=0 0 m=audio 15332 RTP/AVP 0 18 8 101 a=rtpmap:0 PCMU/8000 a=rtpmap:18 G729/8000 a=fmtp:18 annexb=no a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=ptime:20 a=maxptime:150 a=sendrecv >From INVITE and route[AUTH] I can see why it is being passed. But should not it by default authenticate every request if IP address is not allowed in permission module. Br, Aqs.

2 4

Best approach for Kamailio behind nat
by Evgeny Kuchkov 25 Mar '18

25 Mar '18

Sorry for my previous mail with typos. I have the current configuration located on google cloud servers: [Alice a.a.a.a]--->(GCN NAT x.x.x.x)--->(Instance with Kam 10.0.0.1)--->(next proxy 10.0.0.2) Currently I have configured a fake alias with IP x.x.x.x in Debain and set listeners this way: listen=udp:10.0.0.1:5060 advertise x.x.x.x:5060 listen=udp:x.x.x.x:5060 200OK from Kam to Alice: Via: a.a.a.a Record-Route: <sip:alias1@10.0.0.2;lr> (used for further internal routing) Record-Route: <sip:alias2@10.0.0.2;lr> Record-Route: <sip:x.x.x.x;lr> Contact: <sip:dnis@x.x.x.x> ACK recived from Alice with reversed RR: ACK sip:dnis@x.x.x.x Via: a.a.a.a Route: <sip:x.x.x.x;lr>, <sip:alias2@10.0.0.2;lr>,<sip:alias1@10.0.0.2;lr> So what Kam does - it goes through loose_route() and dispatches two ACKs to x.x.x.x (from which I'd like to get rid of) and 10.0.0.2 First one is: ACK sip:alias1@10.0.0.2 Via: x.x.x.x Via: a.a.a.a Route: <sip:x.x.x.x;lr>, <sip:alias2@10.0.0.2;lr> And the next one: ACK sip:alias1@10.0.0.2 Via: x.x.x.x Via: x.x.x.x (Doubles Via) Via: a.a.a.a Route: <sip:alias2@10.0.0.2;lr> So my question is - how to make Kam think that x.x.x.x it's own address and stop dispatching in-dialog messages to itself? Currently I'm thinking about chooping off one Route/Record-Route in route[WITHINDLG] tight before loose_route(). But maybe there's a better way to solve my problem?

1 0

Best approach for Kamailio behind nat
by Evgeny Kuchkov 24 Mar '18

24 Mar '18

Hi all, I have the current configuration located on google clod servers: [Alice a.a.a.a]--->(GCN NAT x.x.x.x)--->(Instance with Kam 10.0.0.1)--->(next proxy 10.0.0.2) Currently I have configured a fake alias with IP x.x.x.x in Debain and set listeners this way: listen=udp:10.0.0.1:5060 advertise x.x.x.x:5060 listen=udp:x.x.x.x:5060 200OK from Kam to Alice: Via: a.a.a.a Record-Route: <sip:alias1@10.0.0.2;lr> (used for further internal routing) Record-Route: <sip:alias2@10.0.0.2;lr> Record-Route: <sip:x.x.x.x;lr> Contact: <sip:dnis@x.x.x.x> ACK recived from Alice with reversed RR: ACK sip:dnis@x.x.x.x Via: a.a.a.a Route: <sip:x.x.x.x;lr>, <sip:alias2@10.0.0.2;lr>,<sip:alias1@10.0.0.2;lr> So what Kam does - it goes through loose_route() and dispatches two ACKs to x.x.x.x (from which I'd like to get rid of) and 10.0.0.2 First one is: ACK sip:alias1@10.240.0.67 Via: x.x.x.x Via: a.a.a.a Route: <sip:x.x.x.x;lr>, <sip:alias2@10.0.0.1;lr> And the next one: ACK sip:alias1@10.240.0.67 Via: x.x.x.x Via: x.x.x.x (Doubles Via) Via: a.a.a.a Route: <sip:alias2@10.0.0.1;lr> So my question is - how to make Kam think that x.x.x.x it's own address and stop dispatching in-dialog messages to itself? Currently I'm thinking about chooping off one Route/Record-Route in route[WITHINDLG] tight before loose_route(). But maybe there's a better way to solve my problem?

1 0

dlg_manage() and dlg_flag
by Alex Balashov 24 Mar '18

24 Mar '18

Hi, One aspect of the dialog module that is very confusing to newbies is the relationship between the dlg_flag modparam and dlg_manage(). According to the documentation, dlg_manage() effectively seems to obsolete the requirement for a flag[1]: Process current SIP request with dialog module. It is an alternative to setting dialog flag for initial INVITE and Route-parameter-callback execution for within-dialog requests. Yet, if one does not set a dlg_flag modparam, the dialog module fails to load: Mar 23 15:42:29 evaristesys-legacy /usr/local/sbin/kamailio[2900]: ERROR: dialog [dialog.c:500]: mod_init(): invalid dlg flag -1!! Perhaps the flag modparam should be made optional, and any arguments for using one over the other more clearly explained in the documentation. I'd make the latter contribution, but unfortunately am not entirely sure what those are. Cheers, -- Alex [1] https://kamailio.org/docs/modules/5.1.x/modules/dialog.html#dialog.f.dlg_ma… -- 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/

3 3

have successfully installed but ..
by abartlett＠vixtel.com.au 23 Mar '18

23 Mar '18

having trouble configuring kamalio to move calls between servers and carriers

3 3

tcpconn_main_timeout
by Kjeld Flarup 23 Mar '18

23 Mar '18

We are developing an app with a pjsip client. I see this error when trying to send an invite from kamailio. Mar 17 00:29:46 raspberrypi /usr/sbin/kamailio[18720]: ERROR: <core> [tcp_main.c:4258]: tcpconn_main_timeout(): connect 62.44.134.85:43829 failed (timeout) A few seconds before 62.44.134.85:43829 did a register. I can understand that either the TCP connection was close by the other end or no one is listening. How much can I see in a pcap from this scenario? I cannot see the invite, but somehow there must be some TCP communication to show what is failing. -- -------------------- Med Liberalistiske Hilsner ---------------------- Civilingeniør, Kjeld Flarup - Mit sind er mere åbent end min tegnebog Sofienlundvej 6B, 7560 Hjerm, Tlf: 40 29 41 49 Den ikke akademiske hjemmeside for liberalismen - www.liberalismen.dk

3 10

htable not visible in another thread
by Kjeld Flarup 22 Mar '18

22 Mar '18

Im trying to do a t_suspend, but cant get htable to work I save to $sht $sht(vtp=>join::$rU) = "" + $T(id_index) + ":" + $T(id_label); xlog( "L_ALERT", "Suspended transaction sht(vtp=>join::$rU) = [$sht(vtp=>join::$rU)]\n" ); Mar 19 23:36:28 raspberrypi /usr/sbin/kamailio[2167]: ALERT: <script>: Suspended transaction sht(vtp=>join::004540294149) = [23690:1238111367] But in my register thread nothing is read xlog("L_ALERT","sht(vtp=>join::$tU) = $sht(vtp=>join::$tU)\n"); Mar 19 23:36:31 raspberrypi /usr/sbin/kamailio[2114]: ALERT: <script>: sht(vtp=>join::004540294149) = <null> # -------- htable params -------------- modparam("htable", "db_url", DBURL) modparam("htable", "htable", "vtp=>size=10;autoexpire=120;dbtable=htable;dbmode=1") modparam("htable", "htable", "a=>size=6;") I never see any data in htable in the database. What am I doing wrong? -- -------------------- Med Liberalistiske Hilsner ---------------------- Civilingeniør, Kjeld Flarup - Mit sind er mere åbent end min tegnebog Sofienlundvej 6B, 7560 Hjerm, Tlf: 40 29 41 49 Den ikke akademiske hjemmeside for liberalismen - www.liberalismen.dk

3 3

phonenum module erratic behaviour with 5.1.2
by George Diamantopoulos 22 Mar '18

22 Mar '18

Hello all, It seems that the phonenum module in at least 5.1.2 (haven't tried previous versions) is behaving somewhat erratically. More specifically, if there are any references to any phn PVs with the key other than "number": if ( phonenum_match("1-484-555-8888", "src") ) { xlog("number norm: $phn(src=>number)\n"); xlog("number country: $phn(src=>country)\n"); dbg_pv_dump(30, "L_ERR"); } kamailio will not start: Mar 19 20:06:49 modcom-sbc-dev1 kamailio[5042]: 0(5044) DEBUG: <core> [core/pvapi.c:494]: pv_spec_lookup(): PV <$phn(src=>country)> is not in cache Mar 19 20:06:49 modcom-sbc-dev1 kamailio[5042]: 0(5044) DEBUG: phonenum [phonenum_pv.c:160]: pv_parse_phonenum_name(): phonenum [src] - key [country] Mar 19 20:06:49 modcom-sbc-dev1 kamailio[5042]: 0(5044) ERROR: phonenum [phonenum_pv.c:205]: pv_parse_phonenum_name(): error at PV phonenum name: src=>country Mar 19 20:06:49 modcom-sbc-dev1 kamailio[5042]: 0(5044) ERROR: <core> [core/pvapi.c:951]: pv_parse_spec2(): pvar "phn" has an invalid name param [src=>country] Mar 19 20:06:49 modcom-sbc-dev1 kamailio[5042]: 0(5044) ERROR: <core> [core/pvapi.c:1106]: pv_parse_spec2(): wrong char [)/41] in [$phn(src=>country)] at [17 (5)] Mar 19 20:06:49 modcom-sbc-dev1 kamailio[5042]: 0(5044) ERROR: xlog [xlog.c:513]: xdbg_fixup_helper(): wrong format[number country: $phn(src=>country) If I comment the offending line, all is well, but when dumping PVs with dbg_pv_dump(30, "L_ERR");, only $phn(src=>number) is listed, not the other keys (country, operator, region according to the docs) However, what is more disturbing is that phn(src=>number) always contains the string provided to phonenum_match() function, even if invalid characters are included, with no normalization. For example: phonenum_match("14~8%^88", "src") will result in dbg_pv_dump reporting: "$phn(src=>number)": "14~8%^88" Please note that I'm using sipwise's debian repository for stretch for kamailio, and debian's stable stretch repository for libphonenumnber (currently at 7.1.0-5+b1). I have also tried building current libphonenumber myself (version v8.9.2), but the result is the same. Is this a bug? Or am I missing something? Thanks! BR, George

3 4

Kamailio htable.dump command returns - reply too big
by José Seabra 22 Mar '18

22 Mar '18

Hello there, I have an htable with 3000 entries and when i try dump the htable through the command kamcmd htable.dump htable, this command returns "ERROR: reply too big". I have tried to increase the body size using the following modparam: modparam("ctl", "binrpc_max_body_size",1024) But the result still the same "ERROR: reply too big", do I need to configure another parameter to be able dump this htable? The kamailio version that i'm using is 4.4.2 Thank you. Regards José Seabra

2 3

Kamailio behind NAT no Audio
by Benjamin Marty 22 Mar '18

22 Mar '18

Hi, I am new to Kamailio and coming a bit from the Asterisk side. Currently I'm using the Amazon EC2 Infrastructure and set up an Kamailio with standard configuration. EC2 uses Destination NAT on their side. Thus I enabled WITH_NAT and WITH_NATSIPPING. I'm using the rtpproxy from master branch of https://github.com/miconda/rtpproxy. Besides those two parameters I also changed the listen parameter in the Kamailio config: listen=udp:10.0.0.221:5060 advertise 52.59.XXX.XXX:5060 My rtpproxy is running with following parameters: ./rtpproxy -A 52.59.XXX.XXX -F -l 10.0.0.221 -m 20000 -M 30000 -s udp:*:7722 -d INFO When I use two Softclients (Zoiper) on different Networks (with Source NAT on the Firewall) the Softclient tries to transmit the RTP Packets to the Public IP of the other Network. But the Client obviously thus doesn't get the RTP Packets. Is there an easy and documented way to solve that issue? If I understood it correctly Kamailio together with rtpproxy should be able to receive the RTP Packets and forward them to the other client. So it should signal the IP of the Kamailio to send the RTP packets to. Or am I on the complete wrong way? Regards, Benjamin

1 0

avpops and mongo problem
by hdssdsdsdsfsdf hdssdsdsdsfsdf 22 Mar '18

22 Mar '18

Hi all, I have kamailio setup that uses a mongo cluster, and everything works fine. Only I have problems with the avpops module. The avp_db_load fails with "field [attribute] not found in result iterator", even if the attribute field is present in the object in mongo. Does anybody know what could be going wrong? Thanks in advance, and kind regards, =============================================================================== kamailio.cfg: ... # ---- avpops params ---- modparam("avpops", "db_url", DBURL) modparam("avpops", "avp_table", "usr_preferences") ... xlog("trying avp_db_load\n"); if (avp_db_load("$fu/username", "$avp(s:attributevalue)")) { xlog("if succeeded\n"); } xlog("if not succeeded\n"); ... =============================================================================== mongo: rs:SECONDARY> db.usr_preferences.find({"username":"1234567890"}) { "_id" : ObjectId("5ab22a5b384cd2aa0d4cf403"), "attribute" : "attributevalue", "username" : "1234567890", "domain" : null, "value" : "750", "uuid" : "", "type" : 0 } =============================================================================== syslog: ... Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: <script>: trying avp_db_load Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:851]: db_mongodb_query(): query to collection [usr_preferences] Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:885]: db_mongodb_query(): query filter: { "username" : "1234567890", "attribute" : "attributevalue" } Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:904]: db_mongodb_query(): columns filter: { "value" : 1, "attribute" : 1, "type" : 1 } Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:116]: db_new_result(): allocate 56 bytes for result set at 0x7f43b613c480 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:349]: db_mongodb_get_columns(): 3 columns returned from the query Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:154]: db_allocate_columns(): allocate 24 bytes for result names at 0x7f43b613c318 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:165]: db_allocate_columns(): allocate 12 bytes for result types at 0x7f43b614d888 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:377]: db_mongodb_get_columns(): Found a field[0] named: value Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:396]: db_mongodb_get_columns(): allocate 16 bytes for RES_NAMES[0] at 0x7f43b614d9b8 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:431]: db_mongodb_get_columns(): use DB1_STRING result type Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:460]: db_mongodb_get_columns(): RES_NAMES(0x7f43b614d9b8)[0]=[value] (2) Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:377]: db_mongodb_get_columns(): Found a field[1] named: attribute Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: db_mongodb [mongodb_dbase.c:381]: db_mongodb_get_columns(): field [attribute] not found in result iterator Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: db_mongodb [mongodb_dbase.c:739]: db_mongodb_store_result(): failed to set the columns Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: db_mongodb [mongodb_dbase.c:918]: db_mongodb_query(): failed to store result Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: db_mongodb [mongodb_dbase.c:927]: db_mongodb_query(): failed to do the query Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:79]: db_free_columns(): freeing 3 columns Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:83]: db_free_columns(): freeing RES_NAMES[0] at 0x7f43b614d9b8 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:92]: db_free_columns(): freeing result names at 0x7f43b613c318 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:97]: db_free_columns(): freeing result types at 0x7f43b614d888 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:134]: db_free_result(): freeing result set at 0x7f43b613c480 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: avpops [avpops_impl.c:381]: ops_dbload_avps(): db_load failed Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: <script>: if not succeeded ... ===============================================================================

3 3

drouting & rd
by Jean Cérien 22 Mar '18

22 Mar '18

Hello I have setup 2 gateways in my dr_rules: 5,6 - so the 2nd one is tried if the first fails. The second one requires credentials. When the first one fails: I execute the following code: failure_route[ROUTEFAIL] { if ( t_check_status("[345][0-9][0-9]") or (t_branch_timeout() and !t_branch_replied() )) { t_on_failure("ROUTEFAIL"); if (use_next_gw()) { xlog("L_INFO","failure_route(ROUTEFAIL) @@ routing to: rd: $rd, ru:$ru, t_relay"); t_relay(); exit; } then in the same ROUTEFAIL (before this code), I have if (t_check_status("401|407")) { xlog("L_INFO","failure_route(ROUTEFAIL) @@ call to uac_auth(), $si rd: $rd\n"); ..... So, when the first gateway replies with a 404, it executes correctly the first block, finds the second gw and I see in the log that rd is set to its address. Yet, when the 2nd gw replies with 401, rd is set to the very first gw. However, the pcap traces confirm it is indeed the second that replies this. If this behaviour is correct, I cant seem to find the source IP of the gateway that replied to me, to retrieve credentials from the db. version: kamailio 5.0.5 / 5.0.6 (tested on both) Thank you for your help J

2 1

XMLRPC with params
by David Villasmil 22 Mar '18

22 Mar '18

Hello guys, I'm trying to call an xmlrpc method with parameters like: <?xml version="1.0"?> <methodCall> <methodName>dispatcher.set_state</methodName> <params> <param> <value><string>state:i</string></value> </param> <param> <value><string>group:1</string></value> </param> <param> <value><string>sip:1.2.3.4:5060</string></value> </param> </params> </methodCall> I'm getting back "Invalid Parameters". I can't find any documentation as to _how_ to call it with parameters. Can anyone help? Regards, David Villasmil email: david.villasmil.work(a)gmail.com phone: +34669448337 ᐧ

2 2

(no subject)
by hdssdsdsdsfsdf hdssdsdsdsfsdf 21 Mar '18

21 Mar '18

Hi all, I have kamailio setup that uses a mongo cluster, and everything works fine. Only I have problems with the avpops module. The avp_db_load fails with "field [attribute] not found in result iterator", even if the attribute field is present in the object in mongo. Does anybody know what could be going wrong? Thanks in advance, and kind regards, =============================================================================== kamailio.cfg: ... # ---- avpops params ---- modparam("avpops", "db_url", DBURL) modparam("avpops", "avp_table", "usr_preferences") ... xlog("trying avp_db_load\n"); if (avp_db_load("$fu/username", "$avp(s:attributevalue)")) { xlog("if succeeded\n"); } xlog("if not succeeded\n"); ... =============================================================================== mongo: rs:SECONDARY> db.usr_preferences.find({"username":"1234567890"}) { "_id" : ObjectId("5ab22a5b384cd2aa0d4cf403"), "attribute" : "attributevalue", "username" : "1234567890", "domain" : null, "value" : "750", "uuid" : "", "type" : 0 } =============================================================================== syslog: ... Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: <script>: trying avp_db_load Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:851]: db_mongodb_query(): query to collection [usr_preferences] Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:885]: db_mongodb_query(): query filter: { "username" : "1234567890", "attribute" : "attributevalue" } Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:904]: db_mongodb_query(): columns filter: { "value" : 1, "attribute" : 1, "type" : 1 } Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:116]: db_new_result(): allocate 56 bytes for result set at 0x7f43b613c480 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:349]: db_mongodb_get_columns(): 3 columns returned from the query Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:154]: db_allocate_columns(): allocate 24 bytes for result names at 0x7f43b613c318 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:165]: db_allocate_columns(): allocate 12 bytes for result types at 0x7f43b614d888 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:377]: db_mongodb_get_columns(): Found a field[0] named: value Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:396]: db_mongodb_get_columns(): allocate 16 bytes for RES_NAMES[0] at 0x7f43b614d9b8 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:431]: db_mongodb_get_columns(): use DB1_STRING result type Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:460]: db_mongodb_get_columns(): RES_NAMES(0x7f43b614d9b8)[0]=[value] (2) Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: db_mongodb [mongodb_dbase.c:377]: db_mongodb_get_columns(): Found a field[1] named: attribute Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: db_mongodb [mongodb_dbase.c:381]: db_mongodb_get_columns(): field [attribute] not found in result iterator Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: db_mongodb [mongodb_dbase.c:739]: db_mongodb_store_result(): failed to set the columns Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: db_mongodb [mongodb_dbase.c:918]: db_mongodb_query(): failed to store result Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: db_mongodb [mongodb_dbase.c:927]: db_mongodb_query(): failed to do the query Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:79]: db_free_columns(): freeing 3 columns Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:83]: db_free_columns(): freeing RES_NAMES[0] at 0x7f43b614d9b8 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:92]: db_free_columns(): freeing result names at 0x7f43b613c318 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:97]: db_free_columns(): freeing result types at 0x7f43b614d888 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: DEBUG: <core> [db_res.c:134]: db_free_result(): freeing result set at 0x7f43b613c480 Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: avpops [avpops_impl.c:381]: ops_dbload_avps(): db_load failed Mar 21 17:15:16 ccccc /opt/kamailio/sbin/kamailio[2544]: ERROR: <script>: if not succeeded ... ===============================================================================

1 0

Problems with dispatcher reload
by Arik Halperin 21 Mar '18

21 Mar '18

Hello, I’ve installed kamailio 5.1 but when I run: kamctl dispatcher reload I get: { "jsonrpc": "2.0", "error": { "code": 500, "message": "Method Not Found" }, "id": 31222 } How do I fix this? Thanks, Arik Halperin

4 6

How does Kamailio decide which msg to store when receiving it double from 2 servers?
by Zigelman, Amit 21 Mar '18

21 Mar '18

I am using Captagent on 2 sip servers communicating with each other. Both Captagents then route the SIP traffic to the same Kamailio. Therefore, if I understand, Kamailio will get every msg between them twice. Once from server A and once from server B. Let's say that each of them has a different capturing code (100 for server A and 200 for server B) How will the data look in the DB? Will it hold both entries pretty much the same with a difference is some fields such as the capture node? Thanks a lot, Amit -- *Amit Zigelman* | *Software Developer* Mobile (+972) 54-570-9129 <+972%254-570-9129> | amit.zigelman(a)vonage.com

2 1

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