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 10 Nov '11

10 Nov '11

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

5 15

Re: [SR-Users] Kamailio Dispatcher fails in front of FreeSwitch, help (again).
by Henrik Aagaard Sørensen 10 Nov '11

10 Nov '11

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 >> >> >

2 2

uacreg issue
by Lucas Alvarez 09 Nov '11

09 Nov '11

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

1 0

negative www_authorize result codes
by Juha Heinanen 09 Nov '11

09 Nov '11

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

2 2

uacreg question
by Lucas Alvarez 08 Nov '11

08 Nov '11

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

2 3

how to give integer avp name in pseudo variable?
by Juha Heinanen 08 Nov '11

08 Nov '11

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

2 3

how to give integer avp name in pseudo variable?
by Juha Heinanen 08 Nov '11

08 Nov '11

1 0

Conditional uacreg
by Alex Balashov 08 Nov '11

08 Nov '11

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/

3 7

SQL Server
by Jonny Klompas 08 Nov '11

08 Nov '11

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

3 2

TOS=0 in kamailio.cfg
by DELEY Marion 07 Nov '11

07 Nov '11

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

1 0

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sr-users November 2011