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[Kamailio-Users] Siremis 0.9.2 with Kamailio 1.5 on Debian 5.0
by mike＠agcusa.com 05 Mar '09

05 Mar '09

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Re: [Kamailio-Users] Newb doco request
by carl Lougher 05 Mar '09

05 Mar '09

Ha ha thanks guys. Who wants the 25cents? Ok i dont have an issue with Asterisk/Trixbox as i've been using that for years. I also dont have an issue with Kamailio installation. The issue i have though is that being a newbie to Kamailio i am struggling to understand and come up with a cfg file to allow the following. 1.To allow Kamailio to accept calls from a specific asterisk/trixbox (authentication would be best). 2.To forward all calls from Kamailio to the Sip provider (how do i set that up? No auth required for sip provider). 3.To apply rtp proxy or nathelper if required. 4.To send cdrs to a mysql database. I've had several attempts at writing stuff to the route part of the cfg file but it always fails to load. Is the best method to find the failure to use /var/log/messages? Thats about it and oh my amazon purchase of "Building Telphony systems with Openser" book turned up today so hopefully reading that might make a difference. Taff.. --- On Thu, 5/3/09, olivier.taylor(a)gmail.com <olivier.taylor(a)gmail.com> wrote: > From: olivier.taylor(a)gmail.com <olivier.taylor(a)gmail.com> > Subject: Re: [Kamailio-Users] Newb doco request > To: "Henning Westerholt" <henning.westerholt(a)1und1.de> > Cc: users(a)lists.kamailio.org > Date: Thursday, 5 March, 2009, 3:36 PM > > > > > > > Pesos, of course :) > > > > Olivier > > > > Henning Westerholt a écrit : > > On Thursday 05 March 2009, olivier taylor wrote: > > > 25 cents bounty, just to understand what's > his problem ;) > > > > euro- or dollar-cent? ;-) > > Henning > > _______________________________________________ > Kamailio (OpenSER) - Users mailing list > Users(a)lists.kamailio.org > http://lists.kamailio.org/cgi-bin/mailman/listinfo/users > http://lists.openser-project.org/cgi-bin/mailman/listinfo/users > > > > > > > > -----Inline Attachment Follows----- > > _______________________________________________ > Kamailio (OpenSER) - Users mailing list > Users(a)lists.kamailio.org > http://lists.kamailio.org/cgi-bin/mailman/listinfo/users > http://lists.openser-project.org/cgi-bin/mailman/listinfo/users

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[Kamailio-Users] problem with : arithmetic_operations
by BERGANZ François 05 Mar '09

05 Mar '09

Hello, I need to do arithmetic operations. I could do some test with having looks at : http://kamailio.org/dokuwiki/doku.php/core-cookbook:1.5.x#arithmetic_operati ons Simple opérations like $var(a)=1+1 works. But, when we have : $var(n)=0; while ($var(j)<$dbr(nb_max=>rows)){ $var(n) = $var(n) + $dbr(nb_max=>[0,$var(j)]); xlog("L_NOTICE", "log5 $var(n) + $dbr(nb_max=>[0,$var(j)]) \n"); ##à give us log5 0+10 where is the problem? Thank you Cordialement, BERGANZ François P Pensez à l'Environnement, n'imprimez ce mail que si nécessaire.

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Re: [Kamailio-Users] [SR-Dev] git on sourceforge
by Daniel-Constantin Mierla 05 Mar '09

05 Mar '09

IIRC some devels in the past asked for conversion from svn to gitin kamailio (openser), but at that time SF didn't offer it. Andrei started the discussion of how to maintain the parallel source trees for the two projects. We should get to a decision soon. Cheers, Daniel On 03/02/2009 03:01 PM, Jan Janak wrote: > FYI: > > http://apps.sourceforge.net/trac/sitedocs/wiki/Git > > Jan. > > _______________________________________________ > sr-dev mailing list > sr-dev(a)lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev > -- Daniel-Constantin Mierla http://www.asipto.com

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[Kamailio-Users] Newb doco request
by carl Lougher 05 Mar '09

05 Mar '09

Hi, I'm after some useful doco to allow me to setup trunks from Trixbox to Kamailio and push all calls to a sip provider. Would possibly need rtpproxy or nathelper as well. Can anyone point me in the right direction as i've been combing the web for days and unable to find anything with good explanations and basic enough for a Kamailio beginner. Thanks, Taff.

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Re: [Kamailio-Users] HOWTO rewrite to: header
by alexander merkulov 04 Mar '09

04 Mar '09

thats work for invite nice, but not work fro cancel even this (very simple form) not change cancel if (method == "BYE" || method == "CANCEL") { # xlog("bye\n");a xlog("L_INFO", "CANCEL - M=$rm RURI=$ru F=$fu T=$tu IP=$si ID=$ci\n"); if(t_check_trans()){ xlog("triing to rewrite"); if ( subst('/192/aaa/ig') ) {}; t_relay(); exit; }else{ xlog("no trans"); exit; } 2009/3/4 alexander merkulov <arheops(a)gmail.com> > unfortanly it not work after > location() > known limitation: use non-rewrited message. > > 2009/3/4 Ovidiu Sas <osas(a)voipembedded.com> > > Take a look at textops module: >> http://www.kamailio.net/docs/modules/1.5.x/textops.html#id2467719 >> >> Regards, >> Ovidiu Sas >> >> On Wed, Mar 4, 2009 at 4:20 PM, alexander merkulov <arheops(a)gmail.com> >> wrote: >> > here is correct reqwest and reqwest via kamailio >> > >> > is there any way to rewrite To: field in kamailio >> > because now it nto work >> > >> > correct reqwest(asterisk) >> > RECEIVING FROM: 69.70.173.195:5060 >> > CANCEL sip:34249@193.110.78.12:8484 SIP/2.0 >> > Via: SIP/2.0/UDP 192.168.1.180:5060;branch=z9hG4bK4c97bd4a >> > From: "Unknown" <sip:Unknown@voip1.bravotelecom.com<sip%3AUnknown(a)voip1.bravotelecom.com> >> >;tag=as366a0ba0 >> > To: <sip:34249@193.110.78.12:8484> >> > Call-ID: 322db75c71be4ba45a61c7666b93e6be(a)voip1.bravotelecom.com >> > CSeq: 102 CANCEL >> > User-Agent: Asterisk PBX >> > Max-Forwards: 70 >> > Content-Length: 0 >> > >> > incorrect reqwest(multi-homed kamailio, asterisk originate to internal >> eth) >> > >> > RECEIVING FROM: 69.70.173.195:5060 >> > CANCEL sip:34249@193.110.78.12:8484 SIP/2.0 >> > Via: SIP/2.0/UDP 69.70.173.195;branch=z9hG4bK1b1b.3c42cea6.0 >> > From: "Unknown" <sip:Unknown@69.70.173.195<sip%3AUnknown(a)69.70.173.195> >> >;tag=as6075df60 >> > Call-ID: 4d784fa972c4e9c9795032417f46cb26(a)voip1.bravotelecom.com >> > To: <sip:34249@192.168.2.170 <sip%3A34249(a)192.168.2.170>> >> > CSeq: 102 CANCEL >> > Max-Forwards: 70 >> > asterisk >> > Content-Length: 0 >> > >> > -- >> > Merkulov Alexander >> > >> > _______________________________________________ >> > Kamailio (OpenSER) - Users mailing list >> > Users(a)lists.kamailio.org >> > http://lists.kamailio.org/cgi-bin/mailman/listinfo/users >> > http://lists.openser-project.org/cgi-bin/mailman/listinfo/users >> > >> > > > > -- > Merkulov Alexander > -- Merkulov Alexander

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[Kamailio-Users] Redundancy and fault-tolerance
by Uriel Rozenbaum 04 Mar '09

04 Mar '09

Hi gentlemen, I'm trying to find a suitable topology to deploy on our SIP network. We started testing UCARP, but it seems it's not going to do for us. Our topology involves 2 servers with physical IPs on them and 2 floating IPs (to balance load 50% on each). The balancing is manual, we are going to point half our servers (measured in load) to one floating IP and so on. When a server fails, the other will handle the load assuming the other floating IP. We found an issue managing IPs, if we have to make Kamailio listen to a floating IP we have to set: listen=0.0.0.0 and then record_route will just pass that IP on the record route headers, making destination servers not to respond. If we try to use record_route_preset() there, when server A fails, all responses come with the "wrong" IP on record_route when server B assumes A's IP. I'd like to know if some of you found a tidier solution and would like to share some topology and implementation tips. DNS SRV is also on our list, but maybe there is something out there that can help us with this. Thanks in advance, Uriel

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[Kamailio-Users] How to send a to-tag in a CANCEL request generated by carrierroute?
by mayamatakeshi 04 Mar '09

04 Mar '09

Hello, I'm using the module carrierroute. I'm setting the carrierfailureroute table to try a second route if the first one times out. The first route is a GW that sends 183 Ringing with SDP and to-tag. But when the failure_route is called due to timeout and the second route is resolved I see kamailio sending a CANCEL without a to-tag and the GW replies with "481 Call Leg/Transaction Does No Exist". So, This fails to cancel the first request. How can I make kamailio send the to-tag in the CANCEL request? Also, I noticed kamailio sends the INVITE to the second route before sending the CANCEL to the first one. Was this coded on purpose? (I believe this doesn't go against the RFC, but it is something curious). If you bother to look at my cfg, here's the relevant parts: route { .........some stuff ..... DOMAIN_AVP = ""; if (!cr_route("CARRIER_AVP", "DOMAIN_AVP", "$rU", "$rU", "call_id", "HOST_AVP")) { sl_send_reply("404", "No Route"); exit; } t_on_failure("ROUTE_FIRST_ATTEMPT_FAILURE"); if (subst_uri('/(sip:.*);nat=yes/\1/')) { setbflag(NAT_BFLAG); } if (isbflagset(NAT_BFLAG)) { fix_nated_contact(); if (is_method("BYE|CANCEL")) { unforce_rtp_proxy(); } else if (is_method("INVITE")) { force_rtp_proxy("cfr"); } search_append('Contact:.*sip:[^>[:cntrl:]]*', ';nat=yes'); } t_on_reply("ONREPLY"); if (!t_relay()) { sl_reply_error(); } } failure_route[ROUTE_FIRST_ATTEMPT_FAILURE] { if (isbflagset(NAT_BFLAG)) { unforce_rtp_proxy(); } revert_uri(); if (!cr_next_domain("CARRIER_AVP", "DOMAIN_AVP", "$rU", "HOST_AVP", "$T_reply_code", "DOMAIN_AVP")) { exit; } if (!cr_route("CARRIER_AVP", "DOMAIN_AVP", "$rU", "$rU", "call_id", "HOST_AVP")) { exit; } t_on_failure("ROUTE_SECOND_ATTEMPT_FAILURE"); append_branch(); route(RELAY_REQUEST); } failure_route[ROUTE_SECOND_ATTEMPT_FAILURE] { if (isbflagset(NAT_BFLAG) ) { unforce_rtp_proxy(); } }

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[Kamailio-Users] htable question
by Klaus Darilion 04 Mar '09

04 Mar '09

Hi! Sorry for not knowing how hash table works, thus my questions may be a bit stupid: How many items can be stored in hashtable? Is it limited to "size" parameter, e.g. 10 means max. 1024 entries? Or is it as much as memory is available (what for is the size parameter in this case)? How can I delete a key from htable? Example: I want to track concurrent calls (lets pretend there is no dialog module :-): # pseudo language if INVITE $sht(a=>$ci) = $ts; ... elseif BYE $avp(s:duration) = $ts - $avp(s:duration); # how to delete this key now from the htable? Is it possible to iterate over all entries in the htable? thanks klaus

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Re: [Serusers] Need easiest way to set/clear a flag and refer to it later in same call session
by Miklos Tirpak 04 Mar '09

04 Mar '09

Please read the getting started documentation from http://www.iptel.org/doc. This is a bit old, and I strongly suggest to use ser 2.x instead of 0.9.x, therefore some additional documents might be also useful: http://www.iptel.org/ser/doc/010whatsnew. Regards, Miklos p.s. Please post all the questions/answers to the serusers list, others might be interested as well. On 03/03/2009 08:35 PM, Martin Lane wrote: > Where can I learn the syntax or regexp format of the ser config file? > > On Thu, Feb 26, 2009 at 3:50 AM, Miklos Tirpak <miklos(a)iptel.org> wrote: > >> Hello, >> >> for simple and very fast boolean checks you can use the flags: >> >> - declare the flag(s) at the beginning of the config: >> >> flags >> FLAG_FOO, >> FLAG_BAR; >> >> - Call the setflag(FLAG_FOO) and resetflag(FLAG_FOO) functions to set and >> clear the flag when the INVITE is processed. >> - Use "if (isflagset(FLAG_FOO)) {...}" to check the state of the flag in >> the reply route. >> >> For storing integer or string values you can use AVPs: >> >> # during INVITE processing >> $foo = "myvalue"; >> $bar = 2; >> >> # in reply_route: >> if ($foo == "myvalue") {...} >> if ($bar) {...} >> >> Have a look at etc/ser-oob.cfg for examples. The values are attached to the >> transaction in both cases, therefore you need to forward the request with tm >> module. >> >> Miklos >> >> >> On 02/24/2009 06:40 AM, Frank Durda IV wrote: >> >>> I need a simple way to set either a boolean flag (or integer >>> value) during the INVITE of a given call in ser.cfg, and test >>> that value via "if" elsehere in ser.cfg during the 183/200 >>> response messages for that same call. >>> This would be a data object unique to a given call, >>> which should disappear/lose persistence/end scope when >>> a given call ends. Not global, no need to write the >>> value to disk, doesn't need to survive a restart of SER, etc. >>> >>> The various SER documents describe a number of things that >>> could do this, but most seem overly complex, storing the object >>> in a MYSQL database on disk or something, and these all seem >>> so excessive. There also appear to be a few built-in flags, >>> but the documentation suggests that all are actually there >>> for specific uses and so use for other things might not work. >>> >>> I simply want to make a determination of something during >>> the INVITE for call 12345, and be able to refer to that >>> flag or integer value later on when the various response >>> messages for the same call (#12345) are coming back >>> through. I can't make the same determination on each >>> message after the INVITE because the original src_ip >>> address value where the INVITE came from doesn't seem >>> to be in a testable variable when handling reply >>> messages, or at least not in one that is clearly >>> documented. >>> >>> >>> I've chased a number of possible ways this might be done, >>> but tire of being referred away from the doc that came with >>> the source and over to web sites that tell me this or that module >>> that might do part of what I need is deprecated and to use >>> this other module, but the web site for the other module says >>> that the first module is better suited to what I want to >>> do (a circle), doesn't show how the set value can actually >>> be tested, or the web page just doesn't work anymore. >>> >>> So, assuming there is a simple way to do this, I need a >>> quick code snip showing how to set/clear/assign a value to such >>> a beast within INVITE handling, and a quick code snip of how >>> to test it in an "if" statement during 183/200/110 type >>> response messages. Whatever it is, the value set, cleared >>> or being tested in one call should not affect any other >>> call. >>> >>> >>> Thanks in advance! >>> >>> >>> _______________________________________________ >>> Serusers mailing list >>> Serusers(a)lists.iptel.org >>> http://lists.iptel.org/mailman/listinfo/serusers >>> >> _______________________________________________ >> Serusers mailing list >> Serusers(a)lists.iptel.org >> http://lists.iptel.org/mailman/listinfo/serusers >> >

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