sr-users January 2015

sr-users@lists.kamailio.org

94 participants
134 discussions

by Shane Harrison

Hi all, I am exploring the use of the ims_charging module having set up a freediameter server (all very new to me). I have loaded and configured the dependencies i.e. cdp, dialog_ng, tm, cdp_avp but the startup gets stuck on: Jan 26 03:57:05 host-172-16-0-82 /usr/sbin/kamailio[2931]: ERROR: ims_charging [mod.c:269]: mod_init(): Could not import ul_register_ulcb Jan 26 03:57:05 host-172-16-0-82 /usr/sbin/kamailio[2931]: ERROR: <core> [sr_module.c:968]: init_mod(): Error while initializing module ims_charging (/usr/lib64/kamailio/modules/ims_charging.so) The corresponding code in mod.c is: /*Register for callback of URECORD being deleted - so we can send a SAR*/ if (ul.register_ulcb == NULL) { LM_ERR("Could not import ul_register_ulcb\n"); return -1; } But unfortunately this doesn't mean much to me - what is a URECORD, what is a SAR? Any words of wisdom around what a "ul.register_ulcb" is about would be appreciated. Kind regards Shane Shane Harrison Senior Software Engineer Imagination Technologies NZ Limited Level 2 1 Market Grove Lower Hutt, 5010 New Zealand PO Box 30-449 Lower Hutt, 5040 New Zealand Phone: +64 4 890-3681 ext 3361

9 years, 3 months

How to forward sip message "statefully" so that the dialogue is preserved

by aft

We want to implement the following topology : INVITE--->kamailio1-----forward--->kamailio2--->route[NATMANAGE]--->Next Sip endpoint Client <---- route[NATMANAGE]<--------kamailio1<------forward-----kamailio2<---- reply with SDP So the caller to callee will be processed by one kamailio and callee to caller will be processed by another kamailio. Both kamailio will be up with a public IP. How this can be achieved?

9 years, 3 months

lookup_branches and rtpengine_manage

by Yuriy Gorlichenko

Hello. I need parallel forking calls with the same username. (Call to all contacts with name for example User123), my endpoints may be WebSocket based and standart UDP endpoints. And I use rtpengine_manage for nmanaging calls wor webphones and standart softh/hard phones. I get all contacts manually and than at the branch route set rtpengine_manage settings for every call. It works fine but it works for one kamailio server. When I use 2 kamailio servers as load balansers Server that handle call get all endpoints from location but call to only one, that registred only at ths server for example I call user123 I have 3 contacts user123(a)1.2.3.4 - was registered at kamailio 1 user123(a)3.2.1.4 - was registered at kamailio 2 user123(a)4.3.2.1 - was registered at kamailio 1 So if call goes through kamailio 1 it call only to user123(a)1.2.3.4 and user123(a)4.3.2.1 I use this settings for usrloc at 2 kamailios to share all table between 2 servers modparam("usrloc", "db_url", DBURL) modparam("usrloc", "db_mode", 3) modparam("usrloc", "user_column", "username") modparam("usrloc", "contact_column", "contact") modparam("usrloc", "expires_column", "expires") modparam("usrloc", "q_column", "q") modparam("usrloc", "callid_column", "callid") modparam("usrloc", "cseq_column", "cseq") modparam("usrloc", "methods_column", "methods") modparam("usrloc", "cflags_column", "cflags") modparam("usrloc", "user_agent_column", "user_agent") modparam("usrloc", "received_column", "received") modparam("usrloc", "socket_column", "socket") modparam("usrloc", "path_column", "path") modparam("usrloc", "ruid_column", "ruid") modparam("usrloc", "instance_column", "instance") modparam("usrloc", "use_domain", 1) and this code for calling them [GET_CONTACTS] { sql_query("ca", "select contact from location where username='$tU'", "ra"); xlog("rows: $dbr(ra=>rows) cols: $dbr(ra=>cols)\n"); if($dbr(ra=>rows)>0){ $var(i)=0; while($var(i)<$dbr(ra=>rows)){ xlog("L_INFO","SQL query return contact {$dbr(ra=>[$var(i),0])} for {$tU} at step {$var(i)}\n"); if ($dbr(ra=>[$var(i),0])=~"transport=ws"){ xlog("L_INFO", "This is a Websocket call to endpoint"); sql_pvquery("ca", "select received from location where contact='$dbr(ra=>[$var(i),0])'","$var(recieved)"); $du=$var(recieved); xlog("L_INFO","SQL query return recieved {$var(recieved)} for {$tU}. Destination is {$du}\n"); append_branch("sip:$tU@$(du{s.select,1,:})"); } else { xlog("L_INFO", "This is a classic UDP call to endpoint"); $var(recieved)=''; sql_pvquery("ca", "select received from location where contact='$dbr(ra=>[$var(i),0])'","$var(recieved)"); xlog("L_INFO", "SQL query return RECIEVED {$var(recieved)}"); if ($var(recieved)==0){ xlog("L_INFO", "Recieved string is EMPTY"); $du="sip:"+$(dbr(ra=>[$var(i),0]){s.select,1,@}); } else { xlog("L_INFO", "Recieved string is {$var(recieved)}"); $du=$var(recieved); } $var(UDP_contact)="sip:"+$(dbr(ra=>[$var(i),0]){s.select,1,@}); append_branch("sip:$tU@$(du{s.select,1,:})"); xlog("L_INFO","Classic Destination URI is {$dbr(ra=>[$var(i),0])} for {$tU}}. Destination is {$du}\n"); } $var(i) = $var(i) + 1; } } t_on_branch("1"); return; } } } branch_route[1]{ if($du=~"transport=ws"){ xlog("L_INFO","Websocket Branch is {$du} for {$tU}\n"); rtpengine_manage("internal extenal force trust-address replace-origin replace-session-connection ICE=force RTP/SAVPF"); t_on_reply("REPLY_FROM_WS"); } else{ xlog("L_INFO","UDP Branch is {$du)} for {$tU}\n"); rtpengine_manage("replace-origin replace-session-connection ICE=remove RTP/AVP"); t_on_reply("MANAGE_CLASSIC_REPLY"); } } When it try to branch endpoint without registration at server that handle call I get errors that tm module can not build Via header **via_builder(): TCP/TLS connection (id: 0) for WebSocket could not be found* *ERROR: <core> [msg_translator.c:1725]: build_req_buf_from_sip_req(): could not create Via header* *ERROR: <core> [forward.c:607]: forward_request(): ERROR: forward_request: building failed* * UDP calls get errors something like above (sorry than can not share error code, This situation not often). So I think I have this trouble because I use manually handling call and tried to substitute to lookup_branches function. but I have no Idea how to set rtpengine_manage paraments for each endpoint depending this is websocket or standart call. IF there is write problem for callings thhrough 2 kamailios as loadbalansers pleas let me know about how to set rtpengine_manage parametrs wor endpoints for every fork. If not- can you tell me how I can call to all endpoints endepending of registration server (kamailio 1 or 2). Thanks.

9 years, 3 months

Re: [SR-Users] remote mysql server

by Slava Bendersky

Hello Everyone, Thank you for help, fixed by adding to dialog module parameters. modparam("dialog", "db_url", DBURL) Slava. From: "Carsten Bock" <carsten(a)ng-voice.com> To: "sr-users" <sr-users(a)lists.sip-router.org> Sent: Sunday, January 25, 2015 8:36:52 AM Subject: Re: [SR-Users] remote mysql server Hi Slava, is most modules a default database connection is defined. Probably this is the case here. As this error is coming from the dialog module: Did you configure some sort of "db_mode"? e.g.: modparam("dialog", "db_mode", 1) Thanks, Carsten 2015-01-25 9:27 GMT+02:00 Slava Bendersky <volga629(a)skillsearch.ca>: > Hello Everyone, > > I am trying start kamailio 4.2 with remote mysql server and on debug I see > DEBUG: db_mysql [km_my_con.c:94]: db_mysql_new_connection(): opening > connection: mysql://xxxx:xxxx@localhost/kamailio > but in cfg defined actual mysql server ip and not localhost > > 0(28885) DEBUG: <core> [sr_module.c:695]: find_mod_export_record(): > find_export_record: found <db_bind_api> in module db_mysql > [/usr/lib64/kamailio/modules/db_mysql.so] > 0(28885) DEBUG: <core> [db.c:213]: db_bind_mod(): using db bind api for > db_mysql > 0(28885) DEBUG: <core> [db.c:318]: db_do_init2(): connection 0x7faca59eced8 > not found in pool > 0(28885) DEBUG: db_mysql [km_my_con.c:94]: db_mysql_new_connection(): > opening connection: mysql://xxxx:xxxx@localhost/kamailio > 0(28885) ERROR: db_mysql [km_my_con.c:109]: db_mysql_new_connection(): > driver error: Can't connect to local MySQL server through socket > '/var/lib/mysql/mysql.sock' (2 "No such file or directory") > 0(28885) ERROR: <core> [db.c:322]: db_do_init2(): could not add connection > to the pool 0(28885) ERROR: dialog [dlg_db_handler.c:147]: init_dlg_db(): > unable to connect to the database > > > Slava. > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users(a)lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > -- Carsten Bock CEO (Geschäftsführer) ng-voice GmbH Schomburgstr. 80 D-22767 Hamburg / Germany http://www.ng-voice.com mailto:carsten@ng-voice.com Office +49 40 5247593-0 Fax +49 40 5247593-99 Sitz der Gesellschaft: Hamburg Registergericht: Amtsgericht Hamburg, HRB 120189 Geschäftsführer: Carsten Bock Ust-ID: DE279344284 Hier finden Sie unsere handelsrechtlichen Pflichtangaben: http://www.ng-voice.com/imprint/ _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users oon why I see in log connection attempt to localhost ? From: "Carsten Bock" <carsten(a)ng-voice.com> To: "sr-users" <sr-users(a)lists.sip-router.org> Sent: Sunday, January 25, 2015 8:36:52 AM Subject: Re: [SR-Users] remote mysql server Hi Slava, is most modules a default database connection is defined. Probably this is the case here. As this error is coming from the dialog module: Did you configure some sort of "db_mode"? e.g.: modparam("dialog", "db_mode", 1) Thanks, Carsten 2015-01-25 9:27 GMT+02:00 Slava Bendersky <volga629(a)skillsearch.ca>: > Hello Everyone, > > I am trying start kamailio 4.2 with remote mysql server and on debug I see > DEBUG: db_mysql [km_my_con.c:94]: db_mysql_new_connection(): opening > connection: mysql://xxxx:xxxx@localhost/kamailio > but in cfg defined actual mysql server ip and not localhost > > 0(28885) DEBUG: <core> [sr_module.c:695]: find_mod_export_record(): > find_export_record: found <db_bind_api> in module db_mysql > [/usr/lib64/kamailio/modules/db_mysql.so] > 0(28885) DEBUG: <core> [db.c:213]: db_bind_mod(): using db bind api for > db_mysql > 0(28885) DEBUG: <core> [db.c:318]: db_do_init2(): connection 0x7faca59eced8 > not found in pool > 0(28885) DEBUG: db_mysql [km_my_con.c:94]: db_mysql_new_connection(): > opening connection: mysql://xxxx:xxxx@localhost/kamailio > 0(28885) ERROR: db_mysql [km_my_con.c:109]: db_mysql_new_connection(): > driver error: Can't connect to local MySQL server through socket > '/var/lib/mysql/mysql.sock' (2 "No such file or directory") > 0(28885) ERROR: <core> [db.c:322]: db_do_init2(): could not add connection > to the pool 0(28885) ERROR: dialog [dlg_db_handler.c:147]: init_dlg_db(): > unable to connect to the database > > > Slava. > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users(a)lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > -- Carsten Bock CEO (Geschäftsführer) ng-voice GmbH Schomburgstr. 80 D-22767 Hamburg / Germany http://www.ng-voice.com mailto:carsten@ng-voice.com Office +49 40 5247593-0 Fax +49 40 5247593-99 Sitz der Gesellschaft: Hamburg Registergericht: Amtsgericht Hamburg, HRB 120189 Geschäftsführer: Carsten Bock Ust-ID: DE279344284 Hier finden Sie unsere handelsrechtlichen Pflichtangaben: http://www.ng-voice.com/imprint/ _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

9 years, 3 months

remote mysql

by Slava Bendersky

Hello Everyone, I am trying start kamailio 4.2 with remote mysql server and on debug I see DEBUG: db_mysql [km_my_con.c:94]: db_mysql_new_connection(): opening connection: mysql://xxxx:xxxx@localhost/kamailio but in cfg defined actual mysql server ip and not localhost Any help thank you, Slava.

9 years, 3 months

CDRs and MongoDB

by Mickael Marrache

Hi, Is it possible to write CDRs directly to MongoDB using the new db_mongodb module? modparam("acc", "db_url", DB_MONGO_URL) modparam("acc", "cdr_enable", 1) modparam("acc", "cdr_extra", " . ") modparam("acc", "cdr_log_enable", 0) modparam("acc", "cdrs_table", "cdrs") In the acc module documentation, I found the following statement: Note that CDR generation does not involve any kind of database storage (yet). In order to persist the CDRs into a database you will have to set up an exterior process (i.e., a script living outside of Kamailio) and implement the storage task yourself. Thanks, Mickael

9 years, 3 months

Wrong dialog selected in on_reply/failure route in case of spirals.

by Julia Boudniatsky

After kamailio upgrade from v3.3 to v4.1.7 in production ~5% of calls with spirals dialog are failed with wrong dialog variables in on-reply/failure routes. The problem has been reproduced in the LAB (load test generated by SIPP). Please see the attached file with debug3 log. Scenario: Proxy Location Kamailio P1 Nbr translation Redirect | INVITE | | | dlg 0x7f8f8501aba0 | | | Call-ID:(5-8286@10.25.153.150) | | |------------------------------->| | | 100 Trying | | | dlg 0x7f8f8501aba0 | | | Call-ID:(5-8286@10.25.153.150) | | |<-------------------------------| | | | | | INVITE | | | dlg 0x7f8f8501aba0 | | | Call-ID:(5-8286@10.25.153.150) | | |<-------------------------------| | | 100 Trying | | | dlg 0x7f8f8501aba0 | | | Call-ID:(5-8286@10.25.153.150) | | |------------------------------->| | | | | | INVITE | | | dlg 0x7f8f8501aba0 | | | Call-ID:(5-8286@10.25.153.150) | |-------------------------------------------------------------->| | 100 Trying | | dlg 0x7f8f8504cda0 !!!!!!!! | | Call-ID:(5-8286@10.25.153.150)| |<--------------------------------------------------------------| | 301 Moved Permanently | | dlg 0x7f8f8504cda0 !!!!!!!! | | Call-ID:(5-8286@10.25.153.150)| |<--------------------------------------------------------------| | | Thank you, Julia.

9 years, 3 months

mistakenly detected NAT in IPv6 setup

by Sebastian Damm

Hi, it looks to me that Kamailio detects NAT without NAT being there, when used in IPv6 scenarios. I have a register, which comes in like this: U 2015/01/23 11:42:31.013284 2a01:1234:123:1234::2:16732 -> 2001:9876:98:9876::aa01:5060 REGISTER sip:domain SIP/2.0 Via: SIP/2.0/UDP [2a01:1234:123:1234::2]:16732;branch=z9hG4bK45528eba After it has run through Kamailio, the packet is sent out like this: U 2015/01/23 11:42:31.015126 1.2.3.4:5060 -> 9.8.7.6:5060 REGISTER sip:domain SIP/2.0 Via: SIP/2.0/UDP 1.2.3.4;branch=z9hG4bK8d21.7fa5fb060c2acc9583f05a93b93f9873.0 Via: SIP/2.0/UDP [2a01:1234:123:1234::2]:16732;received=2A01:1234:123:1234:0:0:0:2;branch=z9hG4bK45528eba As far as I know, the received part should only get appended, if the source IP of the packet differs from the IP advertised in the topmost Via header. But to me it looks like it always gets appended. In just IPv4 scenarios, the received parameter only gets appended if a difference is detected. And if it gets appended, shouldn't the received parameter IP be in square brackets, too? Later on, we have something like this in our code: if(method=="REGISTER") { if (nat_uac_test("23")) { append_hf("X-nathint: nat\r\n"); force_rport(); if (!add_path_received()) { sl_send_reply("503", "Internal Path Error"); }; } else { if (!add_path()) { sl_send_reply("503", "Internal Path Error"); }; }; } In our code, Kamailio always jumps into the add_path_received() part, so I guess, NAT detection triggers. But why? And then the Path header appended looks like this: Path: <sip:1.2.3.4;lr;received=sip:2A01:1234:123:1234:0:0:0:2:16732> The path module probably doesn't know anything about IPv6, too, so the IP in the received parameter is not enclosed in square brackets. When using the Path header later to send packets to the client, Kamailio complains about a parse error for the destination URI again. I tried looking into the path module, but I guess my C skills aren't sufficient to submit a patch. Best regards, Sebastian

9 years, 3 months

Siremis Installation Web Page NOT Displayed.

by Mahmoud Ramadan Ali

Hi Dears, I'm trying to install Siremis 4.1 on Debian and whenever i open the URL in IE i get location.href='$url'"; exit; } ?> and in Firefox i see <?php if(is_file(dirname(__FILE__).'/install.lock')){ include 'bin/_forward.php'; }else{ $script_name = $_SERVER['SCRIPT_NAME']; $url = str_replace("index.php","install/",$script_name); echo "<script>location.href='$url'</script>"; exit; } ?> I've verified the permissions of - siremis/log - siremis/session - siremis/files - siremis/themes/default/template/cpl files without success also no logs gets written to the logs file...please help to fix this issue... Thanks in advance

9 years, 3 months

RFC: best way to create dialogs

by Klaus Darilion

Hi! I use the dialog module to count and limit concurrent calls per user. It worked fine with 4.1.7 but fails with 4.2.2. My config basically looks like: route{ ... dlg_manage() ... authentication (stateless replies + exit) ... t_on_reply() t_on_branch() ... t_relay() exit; } initial_cbs_inscript uses the default value 1. Using 4.1.7, after stateless reply+exit, Kamailio executes dialog callbacks and deletes the dialog: [dlg_var.c:55]: dlg_cfg_cb(): new dialog with no trasaction after config execution [dlg_hash.c:872]: dlg_unref(): unref dlg 0xb233c3a0 with 1 -> 1 [dlg_hash.c:872]: dlg_unref(): unref dlg 0xb233c3a0 with 1 -> 0 [dlg_hash.c:872]: dlg_unref(): ref <=0 for dialog 0xb233c3a0 [dlg_hash.c:355]: destroy_dlg(): destroying dialog 0xb233c3a0 (ref 0) With 4.2.2, after stateless reply+exit, Kamailio just exits without calling any dialog callback (to destroy the dialog) I think I could work around the problem by creating the transaction later. Here are some ideas and I would be happy about your comments and best practices. - set initial_cbs_inscript to 0 - call dlg_manage() just before t_relay - do not use dlg_manage() but use the dialog flag and set the flag somewhere before t_relay Finally, do t_on_reply() and t_on_branch() already create the transaction or is it created with t_relay()? Thanks Klaus

9 years, 3 months

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sr-users January 2015