sr-users June 2019

sr-users@lists.kamailio.org

63 participants
92 discussions

Forward calls between kamailio registrar nodes (dmq + dmq_usrloc)

by Ildar Mukhametzhanov

Hello! I am developing setup with several kamailio nodes as registrar cluster (dmq + dmq_usrloc). Location sync works, I see locations of both servers on every server. Is there any standard approach to redirect call between nodes except replacing of $ru? Executing of lookup("location") for user registered on another node return negative response. -- Sincerely, *Ildar Mukhametzhanov* Head of software development VoiceON Telecom Services GmbH im(a)voice-on.net <mailto:im@voice-on.net> t. +49 30 398 20 500-77

5 years, 5 months

Authenticating xhttp request

by Olli Attila

Hello, I have this xhttp event_route on Kamailio that I am using to signal the proxy to reload dialplans and htable when necessary: event_route[xhttp:request] { if(src_ip!=127.0.0.1) { xhttp_reply("403", "Forbidden", "text/html", "<html><body>Not allowed from $si</body></html>"); exit; } if ($hu =~ "^/RPC") { jsonrpc_dispatch(); } else { xhttp_reply("200", "OK", "text/html", "<html><body>Wrong URL $hu</body></html>"); } return; } Now instead of returning 403 forbidden for requests coming from other src_ip than proxy itsef, I would like to authenticate the http request via proxy database. How can this be done if possible? Cheers, Olli

5 years, 5 months

dispatcher and TLS targets

by Karsten Horsmann

Hi all, i try to configure an SBC OS config [1] based kamailio 5.2.3 [2] with dispatcher and rtpengine. I used transport=tcp to see the plain traffic and then switched to TLS (with tls.cfg, valid certificate and stuff). After starting up, the Target is marked as "down". Due the encryption its hard to debug that. Any hints? Did i made an mistake in the configuration? TLS calls from the target to my kamailio proxy works. So its "half broken" :) at the moment. [1] https://github.com/voiceboys/sbcOS/blob/master/SbcOS/configs/voice/kamailio… [2] kamailio -v version: kamailio 5.2.3 (x86_64/linux) c36229 flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, 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_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: c36229 compiled on 11:28:11 May 22 2019 with gcc 4.8.5 -- %< --------------------- kamctl dispatcher dump "SET": { "ID": 1004, "TARGETS": [{ "DEST": { "URI": "sip:sip101.example.de;transport=tls", "FLAGS": "TP", "PRIORITY": 0, "ATTRS": { "BODY": "access=212.xx.xx.xx:5061;socket=tls:212.xx.xx.xx:5061;weight=100;ping_from=sip: mykamailio.example.de", "DUID": "", "MAXLOAD": 0, "WEIGHT": 100, "RWEIGHT": 0, "SOCKET": "tls:212.xx.xx.xx:5061" }, "LATENCY": { "AVG": 30000, "STD": 0, "EST": 30000, "MAX": 30000, "TIMEOUT": 1 } } }] } }, -- %< --------------------- kamctl dispatcher dump WARNING: <script>: Destination down: OPTIONS ru=sip101.example.de;transport=tls du=<null> -- %< --------------------- tls.cfg [server:default] method = TLSv1 verify_certificate = no require_certificate = no private_key = /etc/pki/tls/private/mykamailio.example.de.pem certificate = /etc/pki/tls/private/mykamailio.example.de.pem server_name = mykamailio.example.de [server:212.xx.xx.xx:5061] method = TLSv1+ verify_certificate = no require_certificate = no private_key = /etc/pki/tls/private/mykamailio.example.de.pem certificate = /etc/pki/tls/private/mykamailio.example.de.pem server_name = mykamailio.example.de # This is the default client domain, settings # in this domain will be used for all outgoing # TLS connections that do not match any other # client domain in this configuration file. # We require that servers present valid certificate. # [client: 212.xx.xx.xx:5061] method = TLSv1+ verify_certificate = no require_certificate = no private_key = /etc/pki/tls/private/mykamailio.example.de.pem certificate = /etc/pki/tls/private/mykamailio.example.de.pem server_name = mykamailio.example.de [client:default] verify_certificate = no require_certificate = no -- %< --------------------- tls.cfg Cheers Karsten -- Mit freundlichen Grüßen *Karsten Horsmann*

5 years, 5 months

sr -user unsubscribe request

by Martin Lane

Please unsubscribe me from the sr-users list. V/R, Martin

5 years, 5 months

Dispatcher's probing malfunction

by Duarte Rocha

Greetings, I have some questions about dispatcher's probing mechanics : 1 - In my SBC i have 26 gateways being probed. However, if i do a SIP capture no more than 16 gateways are probed each minute. Some gateways are always probed, others only once in a while. 2 - I have two SBC working in a pair with DB being replicated and with HA IPs. That being said i configure one NAP twice, each configuration with one HA socket. Is this configuration supported? I get very weird behaviours when i configure it like this. Best Regards, Duarte Rocha

5 years, 5 months

restrict calls to only registered users

by Gaurav Bmotra

hi i m using kamailio 5.1 , with UBUNTU 18.1 i want to restrict call to only registered user ,,, plz help me thank you -- *Regards:* Gaurav Kumar

5 years, 5 months

Querying in-memory location table (dmq_usrloc)

by Gholamreza Sabery

I am using dmq_usrloc, to replicate user locations across multiple Kamailio instances. Everything works fine. The problem occurs when a user on Kam1 wants to call a user on Kam2. How can I query the in-memory location table to see where the user is registered? PS: I use a Path header to specify the server that each user is registered on.

5 years, 5 months

Softswitch

by Mary Honey

Hello, Is it possible to use Kamailio as a grade 5 Softswitch ? I need to handle 1000 calls/s

5 years, 5 months

Stateless message forwarding with forward() add extra identical Via header.

by Ali Shirvani

Hi all, According to this SO question <https://stackoverflow.com/questions/32519551/kamailio-concurrent-calls-afte…> I tried to forward received message to multiple destinations with the following Lua script. But in the second UA I got duplicate Via header. Here is the Lua script: ```Lua KSR.forward_uri("sip:ali@192.168.1.50:7080;transport=UDP"); KSR.forward_uri("sip:tes@192.168.1.50:9080;transport=UDP"); ``` And here is the received Via headers is `tes` UA: ``` Via: SIP/2.0/UDP 192.168.1.21;branch=z9hG4bKbe8c.953ed42f0bcc438c6991121d3483010b.0 Via: SIP/2.0/UDP 192.168.1.21;branch=z9hG4bKbe8c.953ed42f0bcc438c6991121d3483010b.0 Via: SIP/2.0/UDP 10.189.219.4:5060 ;rport=5060;rport=5060;branch=z9hG4bK-4177-1-2 ``` Would you please help me to forward message to multiple destination without duplicate Via headers? Regards, Ali

5 years, 5 months

403 Forbidden

by Pejic, Miroslav

Hi :) I'm trying to save a failed call in the kamailio_router.acc_cdrs database after sending the 403 Forbidden by router, using the module acc, if is it possible? https://www.kamailio.org/docs/modules/5.2.x/modules/acc.html Something like this: route[IS_CALLER_BLACKLISTED] { python_exec("check_caller_blacklisted"); if ($var(callerBlacklisted) == 1){ t_send_reply("403", "Forbidden"); IT’S POSSIBLE HERE SAVE A CALL ON KAMAILIO_ROUTER.ACC_CDRS? exit; } Thanks in advance! Miro

5 years, 5 months

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sr-users June 2019