sr-users April 2010

sr-users@lists.kamailio.org

65 participants
103 discussions

[Kamailio-Users] PKG memory issues
by Iñaki Baz Castillo 15 Apr '10

15 Apr '10

Hi, I've experimented PKG out of memory in a production server. Of course I'm already increasing such value but I would like to know if the current settings and traffic could run into PKG memory issues: - Dual core INTEL XEON 3.00 GHz server. - Kamailio PKG memory = 4 MB. - Kamailio Shared memory = 64 MB. - Kamailio just listens in a single UDP port (8 childrens). - Just INVITE method is handled (no registration, no subscription). The script does the following for each request: - 'permissions' module to match source IP (just ~20 entries in 'address' table). - 2 custom SQL queries (returning a simple value). - 'dialog' memory (just in memory). - 'uac' module to change From header. - There are 10 AVP's set per transaction. - 'lcr' module for routing to two gateways (just 2 entries in 'lcr' table). - 'rtpproxy' is forced for every call. The server has been working properly for months but these days the traffic has been duplicated, having ~400 simultaneous calls in peak hours. Also note that such calls come from callcenters so they are ver "fast". With this environment, is it normal to get into PKG memory issues (4 MB)? I understand that it makes sense, but I would like to hear some opinions. Thanks a lot. -- Iñaki Baz Castillo <ibc(a)aliax.net>

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minutes IRC meeting 2010-04-14
by Henning Westerholt 15 Apr '10

15 Apr '10

Hello, the minutes of the developer IRC meeting from yesterday are now available in our wiki: http://sip-router.org/wiki/devel/irc-meetings/2010-04-14-minutes 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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Hostname in VIA on Forward
by Eric Hiller 15 Apr '10

15 Apr '10

Hello all, I need to have kamailio put its hostname on its via append instead of its IP address. How can I do this or is it possible? Thank you,Eric _________________________________________________________________ Hotmail has tools for the New Busy. Search, chat and e-mail from your inbox. http://www.windowslive.com/campaign/thenewbusy?ocid=PID28326::T:WLMTAGL:ON:…

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Re: [SR-Users] Failure to load module db_mysql.so due to undefined symbol: log
by Pratab Ali 14 Apr '10

14 Apr '10

Hello Marius, Yes, I can confirm that MySQL-devel-community-5.1.43-1.sles10.i586.rpm was also installed. I think the log_10_int is included by something that's linked in and has nothing to do with MySQL. A colleague and friend has installed on a Debian system with success. I am about to install Debian over my SuSE installation. Thanks Pratab. -----Original Message----- From: marius zbihlei [mailto:marius.zbihlei@1and1.ro] Sent: 14 April 2010 14:34 To: Pratab Ali Subject: Re: [SR-Users] Failure to load module db_mysql.so due to undefined symbol: log Pratab Ali wrote: > Hello > > My version of libmysqlclient was installed from this file > MySQL-client-community-5.1.43-1.sles10.i586.rpm. So, that'd make it > version 5.1.43.1 I'd guess. > > Hello, I presume you have also installed MySQL-devel-community-5.1.43-1.sles10.i586.rpm <http://rpm.pbone.net/index.php3/stat/4/idpl/13531085/dir/other/com/MySQ L-devel-community-5.1.43-1.sles10.i586.rpm.html> for the development headers and libraries ... Can you check if this is also installed . I have tested on Debian with libmysqlclient-dev 5.1.45 and it works. I still wonder about the log_10_int symbol... Marius > Unfortunately, it is the config file parser that is detecting the > unresolved symbol and so refusing to run kamailio at all. > > Thanks > Pratab > >

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reminder: irc devel meeting, apr 14, 15:00utc
by Daniel-Constantin Mierla 14 Apr '10

14 Apr '10

Hello, short reminders about tomorrow's IRC devel meeting on #sip-router / irc.freenode.net. Add your topics to wiki if you want something to be discussed: http://sip-router.org/wiki/devel/irc-meetings/next Cheers, Daniel -- Daniel-Constantin Mierla * http://www.asipto.com/ * http://twitter.com/miconda * http://www.linkedin.com/in/danielconstantinmierla

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syntax error with kamailio
by alexis heron 14 Apr '10

14 Apr '10

Hi, I have a problem to routing with kamailio. When I restart kamailio I have this error message : 0(710) : <core> [cfg.y:3328]: parse error in config file /usr/local/etc/kamailio/kamailio.cfg, line 640, column 2-3: syntax error 0(710) : <core> [cfg.y:3328]: parse error in config file /usr/local/etc/kamailio/kamailio.cfg, line 640, column 2-3: ERROR: bad config file (2 errors) here is my line 640 : if (uri=~"sip:9[0-9][0-9]@.*") { //line 640 log(1, "Matched Cisco Call Manager"); route(4); }; Can you help me please thank you

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[NAT] BYE not received to caller
by Pascal Maugeri 14 Apr '10

14 Apr '10

Hi I need some "guidelines" to troubleshoot the following issue: a) A is behind NAT b) B is not behind NAT c) A calls B, SIP INVITE is sent over TCP d) A's firewall does NAT and changes the source port to let's say p1 e) B releases the call and sends BYE over UDP f) Kamailio sends the BYE to A, over UDP, to the NATed source port p1 ?! 2 comments: - This scenario works perfectly when A is the one who disconnects the call. and of course when no NAT is involved everything works ok - if works when I comment the line "fix_nated_contact()" in the route[NAT] block: route[NAT]{ #!ifdef WITH_NAT force_rport(); #if (nat_uac_test("19")) { if (nat_uac_test("3")) { if (method=="REGISTER") { setbflag(10); fix_nated_register(); } else { #fix_nated_contact(); [...] Any hint is very welcome. Cheers Pascal

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Failure to load module db_mysql.so due to undefined symbol: log
by Pratab Ali 14 Apr '10

14 Apr '10

Hello, I have installed from source version 3.0.1 of Kamailio on an OpenSuSE 10 Linux system. Currently I am attempting to enable persistence in my Kamailio with the help of MySQL. In the config file kamailio.cfg I have enabled MySQL as follows #!define WITH_MYSQL In the config file db_mysql.so is the first module to be loaded by calling loadmodule, but the module fails to load. By turning, Kamailio, debugging on I get the following explanation. 0(9858) DEBUG: <core> [sr_module.c:382]: load_module: trying to load </usr/local/lib/kamailio/modules/db_mysql.so> 0(9858) ERROR: <core> [sr_module.c:390]: ERROR: load_module: could not open module </usr/local/lib/kamailio/modules/db_mysql.so>: /usr/local/lib/kamailio/modules/db_mysql.so: undefined symbol: log Using the unix/linux tool 'nm' I see the following. mindy:~/tmp # nm /usr/local/lib/kamailio/modules/db_mysql.so | grep log U getlogin@@GLIBC_2.0 U log 001a6e40 R log_10 001e5d00 D log_10_int U log_level_info U log_stderr U syslog@@GLIBC_2.0 And for sure the capital 'U' means undefined. I have also searched the source code that came with the kamailio package, for definitions of 'log'. And it also looks like I'll be in trouble later for log_level_info, log_level_stderr and syslog are undefined too. However, log_level_info I have just found in source files in the kamailio package. So, why isn't it linking in? Unfortunately, searching on the internet I have not yet come across a forum post that tackles the above issue. As, I suspect everyone else has got the build right. Have I built db_mysql.so incorrectly? Though I built it using the make files that came with the package. Is it a case of linking in the appropriate libraries to resolve these undefined symbols? Finally, I have a colleague who has used the same version of kamailio but installed on a Debian lenny distro. He has been successful in getting db_mysql loaded and persistence enabled. However, he has an older version of mysql (by only one minor-version number) though. Having looked that the changes' history for the two mysql versions, I see no obvious reasons that could be the cause of my failure. By comparing notes, he did nothing too different than I did. We both followed the instructions in the INSTALL and README files. There is no particular reason for me using OpenSuSE 10 other than it was already installed and the computer was not being used by anyone. I am considering installing Debian Lenny on my computer to match my colleague, would this be prudent or a waste of time? i.e I may face my same problem because I'm missing a stage? Regards and thank you, in advance, for any help given. Pratab

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[Kamailio-Users] Relaying NOTIFY UDP messages over TCP
by Pascal Maugeri 14 Apr '10

14 Apr '10

Hi We need to force some NOTIFY messages going through our kamailio instance over UDP to be sent over TCP. For that purpose we inserted the following relaying rule at the beginning of the routing script: route{ if (!mf_process_maxfwd_header("10")) { sl_send_reply("483","Too Many Hops"); exit; } if(msg:len>1300 && is_method("NOTIFY") && proto==UDP) { $du = "sip:" + $(ruri{uri.host}) + ":" + $(ruri{uri.port}) + ";transport=tcp"; t_relay(); exit; } [...] This works well if the destination of the NOTIFY message is not behind NAT. We're looking for a solution for the NAT case. We did some tests using lookup("location") before changing $du but we did not get any success. Do you have any idea on how to implement this relaying properly ? Is it acceptable to change the $du and then execute the t_relay as we did ? Cheers Pascal

3 7

hox to a SIPtrunk with kamailio 3.0.0
by alexis heron 14 Apr '10

14 Apr '10

Hi, I would like to make a SIPTrunk with kamailio to redirect to a 9xx numbers in Cisco Call manager, can you help me please. Here's what I did but it does not work. if (uri=~"sip:9[0-9][0-9]@ccm-ipv6.crihan.fr") { log(1, "Matched Cisco Call Manager"); route(4); }; route(4) { log(1, "In route[4]"); rewritehostport("195.221.29.145.fr:5060"); append_hf("P-hint: Forwarded to CCM\r\n"); xlog("L_INFO", "$rm from $fu to $tu"); t_on_failure("2"); if (!t_relay()) { sl_reply_error(); }; exit; }

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sr-users April 2010