sr-users November 2011

sr-users@lists.kamailio.org

78 participants
114 discussions

How to limit number of calls in Kamailio proxy

by Austin Einter

This is continuation with limiting number of calls per Kamailio proxy server. I modified kamailio.cfg as below. 1. loadmodule "dialog.so" 2. modparam("dialog", "enable_stats", 1) 3. modparam("dialog", "dlg_flag", 4) Next, as dialog module I can use either active_dialogs() or $DLG_count to find number of calls present at any given point of time. However if I use active_dialogs() I get parse error when I run kamailio proxy. Next I used $DLG_count , but always I am getting value of $DLG_count as 0. In *route* section, I added code as below. if (is_method("INVITE")) { if($DLG_count > 1) { sl_send_reply("503","RESOURCE UNAVAILABLE"); exit; } else { xlog("Dialog count = $DLG_count\n"); } } Everytime a new call starts , it prints $DLG_count as 0. Kindly let me know whats going wrong here. Regards Austin

12 years, 5 months

Re: [SR-Users] Kamailio Dispatcher fails in front of FreeSwitch, help (again).

by Henrik Aagaard Sørensen

Hi Daniel. I just wanted to hear if you have had any time to look at the Kamailio Dispatcher <-> FreeSwitch problem? This is NOT to rush you. I've followed the mailing list and can see how busy you are and how much involved you are in all this, so I fully respect all the help you give to this mailing list etc. Best regards, Henrik 2011/10/20 Henrik Aagaard Sørensen <henrikaagaardsorensen(a)gmail.com> > Hi Daniel. > > I've just upgraded to 3.2.0. > > This is my NEW kamailio.cfg: http://pastebin.com/XzXjf1VY > This is my dispatcher.list: http://pastebin.com/9dLS8243 > > I've also attached a ngrep where it errors with "Too many hops" with the > new version 3.2.0. > > Once again, I really appreciate all the help you give! It's remarkable > with your effort in this. > > Best regards, > Henrik > > > 2011/10/17 Daniel-Constantin Mierla <miconda(a)gmail.com> > >> I will try to look over the sip traces you sent, although it is tight >> schedule for the 3.2.0 right now -- so it may take few days. >> >> Cheers, >> Daniel >> >> >> On 10/14/11 10:07 PM, Henrik Aagaard Sørensen wrote: >> >> Yes, pbx.my-domain.com is pointing to the IP of FreeSwitch. >> sip.my-domain.com is the domain name for Kamailio. >> >> 2011/10/14 Daniel-Constantin Mierla <miconda(a)gmail.com> >> >>> >>> >>> On 10/14/11 7:06 PM, Henrik Aagaard Sørensen wrote: >>> >>> My dispatcher.list currently just contains: >>> 1 pbx.my-domain.com:5060 >>> >>> Is pbx.my-domain.com pointing to the IP address of freeswitch? What is >>> the domain name for kamailio ip address? >>> >>> Daniel >>> >>> >>> >>> I will provide a ngrep trace within an hour or two. Thank you so much >>> for helping me. I really hope to get this solved. >>> >>> 2011/10/14 Daniel-Constantin Mierla <miconda(a)gmail.com> >>> >>>> Hello, >>>> >>>> >>>> On 10/14/11 4:48 PM, Henrik Aagaard Sørensen wrote: >>>> >>>> Hi Daniel (and everyone else) again. >>>> >>>> I've just tried to add: >>>> loadmodule "path.so" >>>> modparam("path", "use_received", 1) >>>> >>>> and: >>>> add_path_received() >>>> just before the "if(!t_relay())..." in the ROUTE part. >>>> >>>> That made both devices get the error "Too many loops". >>>> >>>> what is the content of the dispatcher list file? Maybe is better to >>>> use ds_select_domain(...) and ds_next_domain() -- cannot say it since I >>>> haven't seen full sip trace, but maybe the problem is that freeswitch is >>>> sending back if the r-uri address is kamailio's address. >>>> >>>> Cheers, >>>> Daniel >>>> >>>> >>>> >>>> Moving the add_path_received() into the part: >>>> if (nat_uac_test("19")) { if (method=="REGISTER") { >>>> fix_nated_register(); add_path_received(); >>>> made the same issues as before loading the path.so module. >>>> >>>> 2011/10/14 Henrik Aagaard Sørensen <henrikaagaardsorensen(a)gmail.com> >>>> >>>>> Hi Daniel (and everyone else). >>>>> >>>>> This is a tshark trace (is that as good as ngrep?) from Kamailio when >>>>> there are too many loops: http://pastebin.com/yRjduB0s >>>>> In this trace I got the note that 253 packets was dropped (and >>>>> therefor not in the trace). >>>>> >>>>> And this is a trace when it times out: http://pastebin.com/KT0bJzEU >>>>> >>>>> I've actually looked at the PATH module, and tried several things. And >>>>> I know this type of question is rather newbee-like, but can you help me out >>>>> with the PATH module and how to integrate it correctly? >>>>> >>>>> I really do appreciate all the help! >>>>> >>>>> >>>>> 2011/10/14 Daniel-Constantin Mierla <miconda(a)gmail.com> >>>>> >>>>>> Hello, >>>>>> >>>>>> when using the load balancer in front of the registrar, you have to >>>>>> use PATH extensions for SIP (see path module in kamailio) in order to be >>>>>> able to cope with nat. >>>>>> >>>>>> Then, what would be helpful, will be a ngrep trace taken on kamailio >>>>>> server for failed calls. >>>>>> >>>>>> Cheers, >>>>>> Daniel >>>>>> >>>>>> >>>>>> On 10/14/11 4:13 PM, Henrik Aagaard Sørensen wrote: >>>>>> >>>>>> I've asked a lot of question about Kamailio Dispatcher in front of >>>>>> FreeSwitch in this mailing list. So I'm sorry that I'm still "spamming", >>>>>> but it still fails. >>>>>> >>>>>> This is my status so far. >>>>>> >>>>>> When connecting 2 devices directly to FreeSwitch everything works. >>>>>> When connecting to Kamailio, some calls fails with "Timeout" and some fails >>>>>> with "Too many loops". >>>>>> >>>>>> This is my kamailio.cfg: http://pastebin.com/KEuZmikh >>>>>> >>>>>> When connected directly to FreeSwitch where everything works, this is >>>>>> how my clients are registrered in FreeSwitch: >>>>>> http://pastebin.com/prkjkb7g >>>>>> >>>>>> When connected to Kamailio where nothing works, this is how my >>>>>> clients are registrered in FreeSwitch: http://pastebin.com/b5x6NZyv >>>>>> >>>>>> 215.197.145.132 (sip.my-domain.com) is my Kamailio. >>>>>> pbx.my-domain.com is my FreeSwitch. >>>>>> 96.224.14.164 is my IP at home, where my 2 devices are from. >>>>>> >>>>>> Can anyone help me out? I'm kinda lost at this point. >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users@lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >>>>>> >>>>>> >>>>>> -- >>>>>> Daniel-Constantin Mierla -- http://www.asipto.com >>>>>> Kamailio Advanced Training, Dec 5-8, Berlin: http://asipto.com/u/kathttp://linkedin.com/in/miconda -- http://twitter.com/miconda >>>>>> >>>>>> >>>>> >>>> >>>> >>>> _______________________________________________ >>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users@lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >>>> >>>> >>>> -- >>>> Daniel-Constantin Mierla -- http://www.asipto.com >>>> Kamailio Advanced Training, Dec 5-8, Berlin: http://asipto.com/u/kathttp://linkedin.com/in/miconda -- http://twitter.com/miconda >>>> >>>> >>> >>> >>> _______________________________________________ >>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users@lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >>> >>> >>> -- >>> Daniel-Constantin Mierla -- http://www.asipto.com >>> Kamailio Advanced Training, Dec 5-8, Berlin: http://asipto.com/u/kathttp://linkedin.com/in/miconda -- http://twitter.com/miconda >>> >>> >> >> >> _______________________________________________ >> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users@lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >> >> >> -- >> Daniel-Constantin Mierla -- http://www.asipto.com >> Kamailio Advanced Training, Dec 5-8, Berlin: http://asipto.com/u/kathttp://linkedin.com/in/miconda -- http://twitter.com/miconda >> >> >

12 years, 5 months

uacreg issue

by Lucas Alvarez

Hi, after following the steps of this guide: http://by-miconda.blogspot.com/2010/10/best-of-new-in-kamailio-310-10.html, poulating the uacreg table, loading the uac module and restarting kamailio I didn't see any REGISTER packet sent out to the sip provider, is something missing? How can I know if the values from the table are being loaded? I would appreciate any kind of help. Regards, Lucas Alvarez

12 years, 5 months

negative www_authorize result codes

by Juha Heinanen

auth_db/README tells this about www_authorize() negative result codes: Negative codes may be interpreted as follows: * -1 (generic error) - some generic error occurred and no reply was sent out; * -2 (invalid password) - valid user, but wrong password; * -3 (invalid user) - authentication user does not exist. whereas in auth_radius i return: Negative result codes may be interpreted as follows: * -7 (internal error) - some internal error occurred (see syslog); * -6 (nonce reused) - nonce is used more than once; * -5 (no credentials) - credentials were not found in request; * -4 (stale nonce) - stale nonce; * -3 (authorization failed) - RADIUS responded with Access Reject which may be, for example, due to user not found or wrong password; * -1 (error) - some error occured during authorization (see syslog); since both modules depend on the same auth module, why does www_authorize return the full set of negative result codes or is its README out of date? -- juha

12 years, 5 months

uacreg question

by Lucas Alvarez

Hi, I have properly populate the table "uacreg" as says here: http://by-miconda.blogspot.com/2010/10/best-of-new-in-kamailio-310-10.html and I'm loading the uac module, is there anything I could be missing? Because I'm not seeing any register packet being sent to my sip provider. Thanks in advance, Lucas Alvarez

12 years, 6 months

how to give integer avp name in pseudo variable?

by Juha Heinanen

i have not been able to figure out, how to give integer avp name in a pseudo variable. test $var(name) = "i:1000"; $avp($var(name)) = "value"; xlog("L_INFO", "avp i:1000 has value <$avp(i:1000)>\n"); xlog("L_INFO", "avp s:i1000 has value <$avp(s:i:1000)>\n"); produces to syslog Nov 8 13:17:23 sip /usr/sbin/sip-proxy[8642]: INFO: avp i:1000 has value <<null>> Nov 8 13:17:23 sip /usr/sbin/sip-proxy[8642]: INFO: avp s:i1000 has value <value> that is, $var(name) value i:1000 is interpreted as string name even when its syntax conforms to integer name. is this is a bug or how should value of $var(name) look like? -- juha

12 years, 6 months

how to give integer avp name in pseudo variable?

by Juha Heinanen

12 years, 6 months

Conditional uacreg

by Alex Balashov

Is there some way by which credentials can be loaded into the uacreg table, but not all of them used at once? The problem I have is a need to make these registrations active and inactive periodically, whereas the registration facility that the uac module provides is fully managed/largely unattended. Using $uac_req(...) is not an option because I need to capture the failure replies (which is not supported in TM) in order to do digest challenge authentication. -- Alex Balashov - Principal Evariste Systems LLC 260 Peachtree Street NW Suite 2200 Atlanta, GA 30303 Tel: +1-678-954-0670 Fax: +1-404-961-1892 Web: http://www.evaristesys.com/

12 years, 6 months

SQL Server

by Jonny Klompas

Can Kamailio send routes to and /or receive routes from SQL Server? Is there any way for Kamailio to connect to SQL Server in general? Thanks Jonny

12 years, 6 months

TOS=0 in kamailio.cfg

by DELEY Marion

Hi, I'm trying to set tos value to zero but kamailio doesn't accept it. In fact, it's DSCP field which interest me but i can't set zero. Can you explain me why is it forbidden and how can i do that ? Thanks a lot Marion

12 years, 6 months

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sr-users November 2011