sr-users February 2011

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133 discussions

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[Serusers] problem with SER not proxying messages

by Asuncion Merino Rodríguez

Hola, no he visto respuesta a este foro, por favor alguien podría dar alguna respuesta?

13 years, 2 months

Kamailio v3.1.2 Released

by Daniel-Constantin Mierla

Hello, Kamailio SIP Server v3.1.2 stable release is out. This is a maintenance release of latest stable branch, 3.1, that includes fixes since release of v3.1.1. There is no change to database or configuration file required to upgrade to 3.1.2 from 3.1.0 or 3.1.1 versions, therefore it is strongly recommended to upgrade to v3.1.2. For more details about version 3.1.2, visit: http://www.kamailio.org/w/2011/02/kamailio-v3-1-2-released/ Cheers, Daniel -- Daniel-Constantin Mierla http://www.asipto.com

13 years, 2 months

Problem with LCR!

by Ricardo Martinez

Hello. We’re having critical issues with our LCR, we have the Kamailio version 1.5.2, several calls are arriving to our LCR and from some reason the next message appears in the log : Feb 6 12:01:55 /usr/local/sbin/kamailio[14185]: NOTICE:lcr:gw_set_state: trunk "xx.xx.xx.135:5060" from group: <2099> is OFFLINE! We can see this message repeated for every single gateway in the “gw” table from the LCR, after this happened, the LCR rounting process is blocked and no more calls are processed. Can someone help us with this problem? Thanks in advance, *Regards,* *Ricardo Martinez.-* * *

13 years, 2 months

planning release of v3.1.2

by Daniel-Constantin Mierla

Hello, I think it is time to release v3.1.2, first date that comes in my mind is next Thursday if everyone feels it is enough time to take care of backporting any fix he/she did and it is not yet there. That will provide us a fresh release for the FOSDEM event. If not, then maybe the other week, Tuesday, so the participants at the Kamailio Devel training in Barcelona can practice on it. Soon after we should plan also a release for previous stable, branch 3.0. Anyone having other options? Thanks, Daniel -- Daniel-Constantin Mierla http://www.asipto.com

13 years, 2 months

Problem with load_gws()

by Amit Nepal

Hi, Below is my config and i am getting error , missing load module modparam("lcr","db_url",DBURL) modparam("lcr", "gw_uri_avp", "$avp(i:709)") modparam("lcr", "ruri_user_avp", "$avp(i:500)") modparam("lcr", "flags_avp", "$avp(i:712)") route[LCR] { if(!load_gws()){ xlog("yes"); }; This gives me error : loading modules under /usr/local/lib/kamailio/modules_k/:/usr/local/lib/kamailio 0(1265) : <core> [cfg.y:3412]: parse error in config file routes/route-lcr.cfg unknown command, missing loadmodule? for load_gws() ERROR: bad config file (1 errors) Any guidance please ? -- Thank You Amit Nepal Systems Administrator Phoenix Internet Phone: 602-385-0731 602-234-0917#112 http://www.phoenixinternet.net

13 years, 2 months

Handling timers from an Avaya PBX (throwing 404s)

by Graham Wooden

Hi there, I turned up a few new sip trunk customers this past week, from which one of them was an Avaya system. The customer wasn¹t able to do a username/password auth, so I set them up as a permanent entry in the location table. I am running Kamailio 1.5.5. The issue is that I am throwing back a 404 to them when they do a timer event, as they are passing sip:Unknown@my.ip.addr. I don¹t have a user name Unknown, hence the 404. I noticed that with the timer events from other customer¹s PBXs, that they are passing sip:my.addr, from which I am giving back 200 OK. What is the best way to handle this? Just let it go or add a ³Unknown² user (I don¹t like the latter, really)? Calls to and from their system is fine, so right now it¹s just entries in my logs but I hate spending CPU cycles on stuff that isn¹t going to benefit anyone. I sent an email back to the customer to see if maybe he can resolve it on his end, but I am doubtful on getting it resolved on his end. Thanks, -graham

13 years, 2 months

Proposal to extend acc/dialog modules in order to log CDRs

by Timo Reimann

Hi all, I'd like to bring forward a proposal for creating CDRs (Call Data Records) from Kamailio by means of extending both acc and dialog modules. Feedback is very welcome. So far, CDR generation requires post-processing of log entries created by the (transaction-based) acc module or some other means. Looking at OpenSIPS (which is already capable of producing CDRs), my idea is to copy the basic notion of tracking dialogs for to-be-accounted calls and log a proper CDR on termination. Creating basic CDRs including start time, end time, and call duration can be accomplished quite easily this way. Apart from this very minimum CDR content, however, one can think of a number of CDR fields that cannot be filled easily. For instance, caller identity isn't always contained in the From header (think of CLIR calls) but need to be determined from other headers depending on the type of call, possibly even involving a database lookup. That's why I'd like to provide a way to pass additional, CDR-specific data from the configuration file to the dialog structure associated with the call. When the dialog is about to terminate, the extended acc module would make sure that the added CDR data associated to the dialog is included in the CDR. This way, users may define CDR fields to their personal needs from the configuration file in a flexible manner. In order to accomplish this, the dialog module would need to be extended such that dialog-specific data may be stored for the duration of a dialog (which is not possible to this day AFAICS). A new setter function attached to the dialog interface (struct dlg_binds) could accept a simple key/value pair for storage purposes. Exporting this function to the configuration file and accompanying it with a corresponding getter function will ensure that dialog-specific data may be written and read generically. Thus, improvements to the dialog module may be leveraged not just for CDR-accounting purposes. Regarding the acc module, a couple of new features need to be implemented: First, the introduction of another module parameter called something like "cdr_fields" that comprises the set of key names designated for CDR inclusion. Hence, a line like modparam("acc", "cdr_fields", "caller, callee, foo, bar") would require Kamailio configurators to store dialog-specific values for the keys "caller", "callee", "foo", and "bar", respectively, during call processing. The values will be fed to the dialog structure employing the new dialog store function explained above. Second, when the acc module is in CDR mode, dialogs shall be tracked from creation to termination using dialog callbacks. On termination of a dialog, values from keys referenced in the "cdr_fields" parameter will be fetched from the terminating dialog structure and associated with the new, fresh CDR. Third, the CDR is persisted to either log file, database, or both. Note that my approach would not touch the existing acc module functionality: CDR mode is supposed to be working in addition to transaction-based accounting as people will likely want to keep transaction logs for debugging or similar needs. A flag would enable and disable CDR generation at will. I have not fully investigated re-usability possibilities but believe that acc's persistence functions may be taken advantage of by the new CDR-producing parts as well. That's it with regards to the basic mode of operation. I am also thinking of having a few other features, such as using a switch to set the call start time to the moment the ACK or OK is seen instead of the INVITE (because users shouldn't be billed for call setup times). Looking forward to seeing your feedback on this proposal. Cheers, --Timo

13 years, 2 months

topoh, angle brackets and Contact URI params interpretation

by Andrew Pogrebennyk

I'm having an issue with topoh module in Kamailio 3.1.0. When Contact header is formed like this: Contact: 0991 <sip:192.168.0.107;line=sr-N6IAzBysz.tyz.D4M.VLOBMfOBFuWxvfMxV4> The other party responds properly. But when there is no angle brackets in Contact: Contact: sip:192.168.0.107;line=sr-N6IAzB3AWxyfz.stM.quOBFZMJZfWxj7W.y-MljAWBy* Really, many parsers implement "prefer shift to reduce" principle, which means if something can be interpreted in more enclosed expression, it will be interpreted this way and no as part of less enclosed expression so ;line is interpreted as header parameter but not URI parameter. RFC 3261 section 20 suggests that any URI parameters be contained within angle brackets: === The Contact, From, and To header fields contain a URI. If the URI contains a comma, question mark or semicolon, the URI MUST be enclosed in angle brackets (< and >). Any URI parameters are contained within these brackets. If the URI is not enclosed in angle brackets, any semicolon-delimited parameters are header-parameters, not URI parameters. === I think the topoh module should force the angle brackets. BTW it seems that parameter needs to be urlencoded, see rule 'other-param' in RFC 3261 section 25.1: other-param = pname [ "=" pvalue ] pname = 1*paramchar pvalue = 1*paramchar paramchar = param-unreserved / unreserved / escaped param-unreserved = "[" / "]" / "/" / ":" / "&" / "+" / "$" No .-* characters are allowed in the paramchar. But at least that's not causing me any problems. -- Sincerely, Andrew Pogrebennyk

13 years, 2 months

Compiling Just One Module

by Amit Nepal

Could someone guide me how to compile and install just one module with flavor set to kamailio ? -- Thank You Amit Nepal Systems Administrator Phoenix Internet Phone: 602-385-0731 602-234-0917#112 http://www.phoenixinternet.net

13 years, 2 months

authentication is not working

by Danny Dias

Hello my friends, I'm trying to configure authentication on my Kamailio and is not working at all :( I've added the following to the script to make it work: (but it doesn't) ... loadmodule "auth.so" loadmodule "auth_db.so" ... modparam("usrloc", "db_url", "mysql://kamailio:kamailiorw@localhost/kamailio") modparam("auth_db", "calculate_ha1", yes) modparam("auth_db", "password_column", "password") modparam("auth_db", "db_url", "mysql://kamailio:kamailiorw@localhost/kamailio") modparam("auth_db", "load_credentials", "") ... if (!(method=="REGISTER") && from_uri==myself) /*no multidomain version*/ { if (!proxy_authorize("", "subscriber")) { proxy_challenge("", "0"); exit; } if (!db_check_from()) { sl_send_reply("403","Forbidden auth ID"); exit; } consume_credentials(); } ... if (is_method("REGISTER")) { # authenticate the REGISTER requests (uncomment to enable auth) if (!www_authorize("", "subscriber")) { www_challenge("", "0"); exit; } ## if (!db_check_to()) { sl_send_reply("403","Forbidden auth ID"); exit; } if (!save("location")) sl_reply_error(); exit; } But is not working at all...take a look: # U 2011/02/03 09:31:04.402891 172.30.140.22:48752 -> 172.30.140.8:5060 REGISTER sip:172.30.140.8 SIP/2.0 Via: SIP/2.0/UDP 172.30.140.22:48752 ;branch=z9hG4bK-d87543-9a54af22967ae417-1--d87543-;rport Max-Forwards: 70 Contact: <sip:1000@172.30.140.22:48752;rinstance=fcade2df86ce0ab8> To: "1000"<sip:1000@172.30.140.8 <sip%3A1000(a)172.30.140.8>> From: "1000"<sip:1000@172.30.140.8 <sip%3A1000(a)172.30.140.8>>;tag=cd3e2323 Call-ID: MmU0YjM1NThiNTg0ZjhiNGM4ODA4ZmU1YWFiYjBmNTc. CSeq: 1 REGISTER Expires: 3600 Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO User-Agent: X-Lite release 1011s stamp 41150 Content-Length: 0 # U 2011/02/03 09:31:04.404039 172.30.140.8:5060 -> 172.30.140.22:48752 SIP/2.0 200 OK Via: SIP/2.0/UDP 172.30.140.22:48752 ;branch=z9hG4bK-d87543-9a54af22967ae417-1--d87543-;rport=48752 To: "1000"<sip:1000@172.30.140.8 <sip%3A1000(a)172.30.140.8> >;tag=c97b4d1cb1f3d0da549e06a8d482ef63.34dc From: "1000"<sip:1000@172.30.140.8 <sip%3A1000(a)172.30.140.8>>;tag=cd3e2323 Call-ID: MmU0YjM1NThiNTg0ZjhiNGM4ODA4ZmU1YWFiYjBmNTc. CSeq: 1 REGISTER Contact: <sip:1000@172.30.140.22:48752 ;rinstance=fcade2df86ce0ab8>;expires=3600 Content-Length: 0 Am i missing something in my configuration? Thanks in advance!!!

13 years, 2 months

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sr-users February 2011