sr-users June 2016

sr-users@lists.kamailio.org

85 participants
125 discussions

Dialplan module doubt
by José Seabra 01 Jul '16

01 Jul '16

Hello there, I'm evaluating if I can use dial-plan and dispatcher module to build a kamailio routing server to route calls based on number dialed(sometimes the number dialed can be Alphanumeric). I'm expecting have lot of dial-plan entries, some of them with manipulations, others without. Anyone can see here any limitation on this implementation? One thing that I have noticed is that dial-plan module enforces me to fill the fields substr_exp and repl_exp even if i don't have any manipulations to apply. I'm also concerning about performance issues with lot of dialplan entries. What are your thoughts about this solution? Thank you -- José Seabra

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ACK / BYE transaction problem
by Oliver Roth 01 Jul '16

01 Jul '16

Hi all Follow scenario Class5 system [c5] --> Loadbalancer kamailio (dispatcher module) [lbl] ---> gateway kamailio [gw] --> carrier [carr] I get Invites from [c5] with Request ,To, from, contact, pid in national format 0794445566 [lbl] dispatches this to [gw] For the [carr] I need international format. So doing these transactions in [gw] And sending to [carr] in international format Request, to, from, contact, ... => 417794445566 Everything ok Then I get a 100, 183 and even 200 from [carr] Ack is coming from [c5] to [lbl] and [gw] - but then it stocks The ACK is not sent to the [carr] I kamailio log I see DEBUG: RFC3261 transaction matching failed DEBUG: t_lookup_request: no transaction found So for me, the ACK cannot be assigned to a transaction and gets discarded by if ( is_method("ACK") ) { xlog(,"L_INFO", "WITHINDLG ACK - not loose route\n"); if ( t_check_trans() ) { xlog(,"L_INFO", "WITHINDLG ACK - t_check_trans() \n"); # no loose-route, but stateful ACK; # must be an ACK after a 487 # or e.g. 404 from upstream server t_relay(); exit; } else { xlog(,"L_INFO", "WITHINDLG ACK - not t_check_trans() DISCARD!!\n"); # ACK without matching transaction ... ignore and discard route(NATMANAGE); #t_relay(); #exit; Any idea? Problem with modifying the sip tags? Or problem with the dialog? Thanks for helping OIi

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Kamailio Iterate All Headers
by Colin Morelli 01 Jul '16

01 Jul '16

Hey all, Back with more questions. I'm using Kamailio to make an HTTP call to my API to perform authentication and message routing. Currently, I'm trying to build up the post body that I send to my API to make those decisions. I've cherry picked a few of the headers that are important in my routing decisions. But, ideally, I'd like to just iterate over all the SIP message headers and append them as request parameters to my API call. Is this possible with Kamailio? I've been looking through the docs and can't seem to find a function to iterate the full list of headers. Thanks in advance. Best, Colin

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Get registered user list
by Никита Лебедев 01 Jul '16

01 Jul '16

Good day! Can anyone point me to right direction? The question is - I want to get list of registered users (to find out who is online at the moment) from sip server. I'm using kamailio on server side and exosip library on client side. I tried to find something in RFC 3261 and failured... Can someone help and tell what to do or where to look for the answer?

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P-Asserted-Identity - Pseudo-Variables are set as null
by José Seabra 30 Jun '16

30 Jun '16

Hello there, The Pseudo-Variablest hat store information about P-Asserted-Identity are all as set null: $pU=<null> $pd=<null> $pn=<null> Is there any known reason for that? The kamailio version that I'm using this 4.4.1 Thank you for you support Best regards -- José Seabra

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Kamailio Load Balancer Architecture
by Daryn Johnson 30 Jun '16

30 Jun '16

I am interested in opinions and suggestions about load balancing with Kamailio. I work for an ITSP that currently uses Oracle & Broadsoft, and I am working to design and develop an open source solution using Kamailio (Proxy, Registrar, LB) & other Application/Media servers for more flexibility and freedom :) Thank you ALL for the work you have put in on Kamailio! After much reading and configuration I have a Kamailio 'proxy' setup, with endpoints registered using the Registrar module, and calls being sent/received to/from the PSTN. I am interested in separating the Load Balancers from the Registrars & logic, for security and in order to be able to scale appropriately. I will be using the dispatcher module for both load balancers and proxies using the following architecture: PublicIP = 5.5.5.5; Private IP = 192.168.1.0/24 USERS (Public Internet) ==> (public: 5.5.5.5) [ Kamailio (LoadBalancer, Firewall, Sanity Checks) ] (core:192.168.1.2) ==> [ Kamailio Registrar, Proxy, PSTN GW ] ==> AppServers or PSTN GW (we can access our PSTN gateways Via our Core using Private IPs) Questions: 1) Is it overkill to separate the LB & Proxy/Registrars? 2) Is this a common architecture & anyone configured this architecture successfully? Thanks in advance for your help! *Daryn Johnson* *Senior VoIP Engineer*

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Kamailio v4.3.6 Released
by Daniel-Constantin Mierla 30 Jun '16

30 Jun '16

Hello, Kamailio SIP Server v4.3.6 stable release is out. This is a maintenance release of the previous stable branch, 4.3, that includes fixes since release of v4.3.5. There is no change to database schema or configuration language structure that you have to do on installations of v4.3.x. Deployments running previous v4.x.x versions are strongly recommended to be upgraded to v4.3.6 (or to 4.4.x series). For more details about version 4.3.6 (including links and guidelines to download the tarball or from GIT repository), visit: * https://www.kamailio.org/w/2016/06/kamailio-v4-3-6-released/ RPM, Debian/Ubuntu packages will be available soon as well. Note: the latest stable branch is 4.4, at this moment with its latest release v4.4.2. See more details about it at: * https://www.kamailio.org/w/kamailio-v4-4-0-release-notes/ Cheers, Daniel -- Daniel-Constantin Mierla http://twitter.com/miconda - http://www.linkedin.com/in/miconda

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Releasing Kamailio v4.3.6
by Daniel-Constantin Mierla 30 Jun '16

30 Jun '16

Hello, as announced last week, I am planning to release a patch update from branch 4.3, respectively v4.3.6, tomorrow. Today I backported what I found to be relevant from branch 4.4 to 4.3. If anyone notices something missing, reply on the mailing lists. Cheers, Daniel -- Daniel-Constantin Mierla http://www.asipto.com - http://www.kamailio.org http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda

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ipsec support in PCSCF
by Vikram Chhibber 30 Jun '16

30 Jun '16

Hi All, I did not get any concrete information on whether PCSCF supports transport mode ipsec in Kamailio release 4.4. It is mentioned that it is not supported in release 4.0. Could anyone please let me know the status on this? Thanks, Vikram

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kamailio & redis
by Fabian Pignataro 29 Jun '16

29 Jun '16

Hello Community, I'm trying to read data (hash) stored in redis database, from kamailio script. I read the module documentation ndb_redis: http://www.kamailio.org/docs/modules/4.4.x/modules/ndb_redis.html#idp263007… But I'but I don't understand what I'm doing wrong :/ With someone has had experience this? *My platform:* *root@kamailio-fts:~# cat /etc/issue* *Ubuntu 14.04.4 LTS \n \l* *root@kamailio-fts:~# kamailio -V* *version: kamailio 4.4.1 (x86_64/linux) * *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_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 with gcc 4.8.2* *My script:* *modparam("ndb_redis", "server", "name=srvN;addr=127.0.0.1;port=6379;db=1")* *modparam("ndb_redis", "init_without_redis", 1)* *if(redis_cmd("srvN", "HMGET usuario:2002 status", "res")) {* *xlog("L_INFO","array size: $redis(res=>size) - type: $redis(res=>type) - value: $redis(res=>value[0]) $redis(res=>value[1]) \n"); * * }* *The output of syslog (I don't see errors): * *Jun 27 11:48:12 kamailio-fts /usr/sbin/kamailio[31615]: DEBUG: <core> [db_row.c:95]: db_free_row(): freeing row values at 0x7fc2fd008a30* *Jun 27 11:48:12 kamailio-fts /usr/sbin/kamailio[31615]: DEBUG: <core> [db_res.c:60]: db_free_rows(): freeing rows at 0x7fc2fd007020* *Jun 27 11:48:12 kamailio-fts /usr/sbin/kamailio[31615]: DEBUG: <core> [db_res.c:134]: db_free_result(): freeing result set at 0x7fc2fd008a98* *Jun 27 11:48:12 kamailio-fts /usr/sbin/kamailio[31615]: DEBUG: db_postgres [km_dbase.c:433]: db_postgres_free_query(): PQclear(0xcc9060) result set* *Jun 27 11:48:12 kamailio-fts /usr/sbin/kamailio[31615]: DEBUG: <core> [socket_info.c:564]: grep_sock_info(): checking if host==us: 13==13 && [172.16.20.219] == [172.16.20.219]* *Jun 27 11:48:12 kamailio-fts /usr/sbin/kamailio[31615]: DEBUG: <core> [socket_info.c:567]: grep_sock_info(): checking if port 5060 (advertise 0) matches port 5060* *Jun 27 11:48:12 kamailio-fts /usr/sbin/kamailio[31615]: DEBUG: <core> [select.c:412]: run_select(): Calling SELECT 0x7fc2fcfc09a0* *Jun 27 11:48:12 kamailio-fts /usr/sbin/kamailio[31615]: DEBUG: registrar [lookup.c:240]: lookup_helper(): contact for [2004] found by address* *Jun 27 11:48:12 kamailio-fts /usr/sbin/kamailio[31615]: INFO: <script>: es un mensaje y estoy por enviarlo* *Jun 27 11:48:12 kamailio-fts /usr/sbin/kamailio[31615]: INFO: <script>: array size: 2 - type: 2 - value: <null>* *Jun 27 11:48:12 kamailio-fts /usr/sbin/kamailio[31615]: DEBUG: tm [t_lookup.c:1312]: t_newtran(): DEBUG: t_newtran: msg id=4 , global msg id=4 , T on entrance=(nil)* *Jun 27 11:48:12 kamailio-fts /usr/sbin/kamailio[31615]: DEBUG: tm [t_lookup.c:466]: t_lookup_request(): t_lookup_request: start searching: hash=36630, isACK=0* *Jun 27 11:48:12 kamailio-fts /usr/sbin/kamailio[31615]: DEBUG: tm [t_lookup.c:424]: matching_3261(): DEBUG: RFC3261 transaction matching failed* *Jun 27 11:48:12 kamailio-fts /usr/sbin/kamailio[31615]: DEBUG: tm [t_lookup.c:648]: t_lookup_request(): DEBUG: t_lookup_request: no transaction found* *Jun 27 11:48:12 kamailio-fts /usr/sbin/kamailio[31615]: DEBUG: tm [t_hooks.c:358]: run_reqin_callbacks_internal(): DBG: trans=0x7fc2ed762d08, callback type 1, id 0 entered* *Jun 27 11:48:12 kamailio-fts /usr/sbin/kamailio[31615]: DEBUG: <core> [md5utils.c:67]: MD5StringArray(): MD5 calculated: d79552e0dafc752469a90c3599ba2d42* *Jun 27 11:48:12 kamailio-fts /usr/sbin/kamailio[31615]: DEBUG: tm [t_funcs.c:368]: t_relay_to(): SER: new transaction fwd'ed* It can be seen that $redis(res=>size) & $redis(res=>type) return values, not so with $redis(res=>value[0]). *By last, I share de output of redis CLI:* *127.0.0.1:6379 <http://127.0.0.1:6379>> hget usuario:2002 status * *"Online" * Cheers, Fabián - -- Ing. Fabián Pignataro

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sr-users June 2016