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37571 discussions

New functionality LCR + force_send_socket() - sanity check
by Geoffrey Mina 28 Jun '10

28 Jun '10

Hey everyone, Just wanted to bounce some things off the list to make sure I'm not heading down the wrong path here. I'll quickly explain my problem and then explain my plan to deal with it. Please let me know if anyone sees an issue here. Problem: I need to send FROM two different IP addresses based on the LCR group returned from next_gw();. For example, if the gateway returned is in group_id=1 from the LCR I need to send FROM 1.1.1.1:5060, if it's from group_id=2, I need to send FROM 1.1.1.2:5060. I need to do this on REQUEST_ROUTE and FAILURE_ROUTE. Here is what I am thinking will work: modparam("pv","shvset","gw_one=s:1.1.1.1:5060") modparam("pv","shvset","gw_two=s:1.1.1.2:5060") route{ load_gws(); next_gw(); if(to_gw("1")){ force_send_socket($shv(gw_one)); }else if(to_gw("2")){ force_send_socket($shv(gw_two)); } } Sorry for not just trying this out on my own. I currently don't have access to a dev machine, and I need to make changes to the live script... so I would prefer not to have a ton of restarts while trying to work the bugs out. Thanks.

4 17

job offer: VoIP developer, team Karlsruhe
by Henning Westerholt 28 Jun '10

28 Jun '10

Job offer: Interested in working with one of the biggest Voice over IP networks in europe? We're hiring and have one additional VoIP developer position open in our team in Karlsruhe, Germany at the moment. For more informations (requirements, how to apply..) please refer to the opening on the job web page. Some facts about our VoIP system can be found at e.g. [1], please feel free to contact me per mail as well. http://www.united-internet.de/xml/ui/JobsJobDetail;?__lf=JobsApplication200… Best regards, Henning Westerholt [1] http://www.kamailio.org/events/2010-linuxtag/presentation.pdf -- Henning Westerholt - Technical Leader VoIP backend development 1&1 Internet AG, Ernst-Frey-Str. 9, 76135 Karlsruhe, Germany

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Check for existence of URI param
by Alex Balashov 28 Jun '10

28 Jun '10

Greetings, I have a Contact URI with params as in the following form returned to me in a 302 Moved Temporarily reply: <sip:a=foo;b;c=bar> I am able to check the existence of parameters 'a' and 'b', which have values assigned to them, in the following way: failure_route[...] { ... $var(dest) = $T_rpl($ct); $var(dest) = $(var(dest){nameaddr.uri}); $var(dest) = $(var(dest){uri.user}); ... if(! $(var(dest){param.value,a})) { .... } ... } However, what I cannot seem to figure out is a reliable test condition for the existence of a parameter like 'b', which does not have a value. I have tried: if(! $(var(dest){param.value,b})) which clearly cannot work as the parameter has no _value_. Also have tried: if(!defined $(var(dest){param.value,b})) and also tests of strempty(), !defined, etc. for $var(dest){uri.param,b}) (prior to extraction of param list using {uri.user} above). Ideas appreciated, thanks! -- Alex Balashov - Principal Evariste Systems LLC 1170 Peachtree Street 12th Floor, Suite 1200 Atlanta, GA 30309 Tel: +1-678-954-0670 Fax: +1-404-961-1892 Web: http://www.evaristesys.com/

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how to evaluate a string value?
by Juha Heinanen 26 Jun '10

26 Jun '10

http_query function takes an url as the first argument, for example, http_query("http://localhost/test.php?uri=$(ru{s.escape.param})", "$var(result)"); what i would like to do is this: http_query("$sel(cfg_get.local.http_query_url)", "$var(result)"); that is, instead of giving url argument as a fixed string, i would like to take it from cfg variable. the problem is that if i give local.http_query_url string value "http://localhost/test.php?uri=$(ru{s.escape.param})", pseudo variables and transformations in the value are not evaluated. is there any current means to get them evaluated? something like http_query(eval("$sel(cfg_get.local.http_query_url)"), "$var(result)"); ???? -- juha

2 1

Pipes in modparam
by David 25 Jun '10

25 Jun '10

Hey, Is this format still valid in Kamailio 3.0 ? modparam("module1|module2|module3", "db_url", "mysql://me:secret@server/database") This line : modparam("auth_db|usrloc|acc|domain|avpops|presence|presence_xml|pua|dialog", "db_url", "mysql://kamailiodev:kamailiosecret@192.168.1.10/kamailiodev") gives me this error : -e 0(9334) ERROR: <core> [modparam.c:143]: set_mod_param_regex: parameter <db_url> not found in module <pua_dialoginfo> 0(9334) : <core> [cfg.y:3333]: parse error in config file /etc/kamailio/kamailio.cfg, line 399, column 153: Can't set module parameter ERROR: bad config file (1 errors) 0(9334) ERROR: dialog [dlg_db_handler.c:177]: invalid database handle Funny thing is I have not set the module parameter for pua_dialoginfo, looks like kamailio is getting confused with my pipes, if I name each parameter one at a time, it works fine. Any thoughts on this? David

2 3

[OT] sip-router world cup 2010 edition
by Henning Westerholt 25 Jun '10

25 Jun '10

Hi, the sip-router world cup 2010 edition: http://www.vuvuzela-time.co.uk/sip-router.org SCNR ;-) Henning

3 4

Question about rate limiting a subscriber
by Stagg Shelton 24 Jun '10

24 Jun '10

I have a customer who has just started operating a dialer. Over the past couple of days this dialer has been creating some minor issues with our US48 termination. We are currently running Server:: Kamailio (1.5.1-notls (x86_64/linux)). I would like to limit on a subscriber by subscriber basis the amount of outgoing calls per second that they can do. I am reading through the ratelimit module documentation, but haven't been able to determine if I can use it to limit one particular subscriber outgoing activity. I have also looked at the pike module, and think that I may be able to use it in order to limit calls per second by IP. Does anyone have any recommendations, suggestions, or examples that can be used to control the calls per second based on the kamailio subscriber name. Stagg Shelton VocalCloud

3 6

memcached compile problems
by Ricardo Martinez 24 Jun '10

24 Jun '10

Hello list. I'm using the GIT versión of Kamailio 3.0. When I add memcached in the compilation I got the next error : make[1]: Entering directory `/usr/src/kamailio/modules_k/memcached' gcc -fPIC -DPIC -g -O9 -funroll-loops -Wcast-align -m32 -minline-all-stringops -falign-loops -ftree-vectorize -fno-strict-overflow -mtune=athlon64 -Wall -DNAME='"kamailio"' -DVERSION='"3.0.2"' -DARCH='"i386"' -DOS='linux_' -DOS_QUOTED='"linux"' -DCOMPILER='"gcc 4.4.4"' -D__CPU_i386 -D__OS_linux -DSER_VER=3000002 -DCFG_DIR='"/usr/local/etc/kamailio/"' -DPKG_MALLOC -DSHM_MEM -DSHM_MMAP -DDNS_IP_HACK -DUSE_IPV6 -DUSE_MCAST -DUSE_TCP -DDISABLE_NAGLE -DHAVE_RESOLV_RES -DUSE_DNS_CACHE -DUSE_DNS_FAILOVER -DUSE_DST_BLACKLIST -DUSE_NAPTR -DF_MALLOC -DUSE_TLS -DTLS_HOOKS -DSTATISTICS -DMALLOC_STATS -DFAST_LOCK -DADAPTIVE_WAIT -DADAPTIVE_WAIT_LOOPS=1024 -DCC_GCC_LIKE_ASM -DHAVE_GETHOSTBYNAME2 -DHAVE_UNION_SEMUN -DHAVE_SCHED_YIELD -DHAVE_MSG_NOSIGNAL -DHAVE_MSGHDR_MSG_CONTROL -DHAVE_ALLOCA_H -DHAVE_TIMEGM -DHAVE_SCHED_SETSCHEDULER -DHAVE_EPOLL -DHAVE_SIGIO_RT -DSIGINFO64_WORKARROUND -DUSE_FUTEX -DHAVE_SELECT -DOPENSER_MOD_INTERFACE -I/usr/local/include -I/include -DMOD_NAME='"memcached"' -c mcd_var.c -o mcd_var.o -MMD -MP In file included from mcd_var.c:29: memcached.h:27:22: warning: memcache.h: No such file or directory What could be the problem. I have installed memcached , memcached-devel , libmemcached and libmemcached-devel Thanks Ricardo.-

4 4

(no subject)
by rajesh volluru 24 Jun '10

24 Jun '10

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1 0

new developer: Timo Reimann
by Henning Westerholt 23 Jun '10

23 Jun '10

Hi all, i'm happy to announce a new developer for the sip-router project: Timo Reimann. Timo is an experienced developer in our offices in Karlsruhe and since over one year part of the team that develops our VoIP backend services. His past work involved extensions for the dialog module and also a new lawful interception solution that we use in-house. He contributed (with some other developers) to the new dialog design in the last months and will continue to work on this in the future. Best regards, Henning -- Henning Westerholt - Development Consumer Products / Consumer Core 1&1 Internet AG, Ernst-Frey-Str. 9, 76135 Karlsruhe, Germany

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