sr-users November 2010

sr-users@lists.kamailio.org

75 participants
112 discussions

Failover with SRV records
by Eric Hiller 30 Nov '10

30 Nov '10

Sorry all for the second question of the night as I go through working out bugs in my setup. I want to use SRV records to loadbalance across hosts. This works great, when all the hosts listed in the SRV are up. However, I want kamailio to use the next host if the current hosts fails. I tried just setting up a new branch, but kamailio keeps using the same SRV entry over and over on that transaction, only a new transaction seems to give kamailio a chance to use a different SRV entry. Any ideas as to how I can force kamailio to try the next SRV entry if the first one fails? For example I t_relay to 2.domain.com which has a _sip._udp.2.domain.com entry for hostA and hostB. If hostB is down, but kamialio decides to send to hostB it just keeps doing so even though hostA is perfectly up it doesn't try for it. Is there a way to remove hostB from the kamailio try list? Or as an alternative to do a manual SRV lookup on 2.domain.com and then put then in a variable and go through them one by one manually? Ideas? Thanks-Eric

3 5

Settings adjustments
by Javier Gallart 29 Nov '10

29 Nov '10

Hello I have a Kamailio acting as Redirect server. In some cases I need to include more that 12 Contact headers in the 302 message. I've set these values in the config.h file. #define MAX_BRANCHES 20 /*!< maximum number of branches per transaction */ #define MAX_REDIRECTION_LEN 756 /*!< maximum length of Contact header field in redirection replies */ Could these settings cause any "collateral damage"? Thanks! Javi

2 1

SIP between IPv4 and IPv6 agents
by Komáromi Péter 29 Nov '10

29 Nov '10

Hello! I write my diplomawork, and kindly ask for your help! I would establish a videoconference with SIP protocol between two PCs, one of them using IPv4 and the other uses IPv6. I have access to an RMX 4000 Multipoint Conference Platform with a Kamailio SIP server on it. Were here on the mailing list any previous discussion about translating between the two IP versions? I read some about RTP Proxies, but did not find the proper solution so far. Could somebody help me please? Best Regards, Peter

4 12

Need Clarification on sst module
by Suresh Arunachalam 29 Nov '10

29 Nov '10

Hi All, i have configured kamailio server with sst module and server is sending 422 error for Min-SE negotiation. Along with 422 response I see 404 response coming from the server which is causing my application to remove the transaction. Please let know am I missing something in the configuration, let me know the fix for the same. Thanks Suresh

2 1

kamailio 3.1.0 - missing packages from rpms repo
by Stephen McVarnock 29 Nov '10

29 Nov '10

Hi, I have been looking for the kamailio mysql package at the following location:- http://www.kamailio.org/dokuwiki/doku.php/packages:rpms the 3.1 link is a dead link though. 3.0.x links are just fine. Can anyone tell me where I can find the 3.1 equivalent of kamailio-mysql-3.0.3-0.i386.rpm <http://www.kamailio.org/pub/kamailio/3.0.3/packages/centos-5.5/kamailio-mys…>. Regards, Steve. -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Stephen McVarnock, AePONA Ltd, Interpoint Building, 20-24 York Street, Belfast BT15 1AQ Tel: +44 (0)28 9026 9114 Fax: +44 (0)28 9026 9111 http://www.aepona.com ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

1 0

db_flatstore not loading
by Javier Gallart 25 Nov '10

25 Nov '10

Hi I'd like to test db_flatstore module at 3.1 to write accounting data. The module is not loading though. The config is really simple: loadmodule "db_flatstore.so" modparam("acc", "db_url", "flatstore:/var/log/kamailio/cdr") I'm getting this error: 0(27360) DEBUG: <core> [sr_module.c:631]: find_export_record: <db_bind_api> not found 0(27360) DEBUG: <core> [sr_module.c:684]: find_mod_export: <db_bind_api> in module <db_flatstore> not found 0(27360) DEBUG: <core> [db.c:210]: using export interface to bind db_flatstore 0(27360) DEBUG: <core> [sr_module.c:631]: find_export_record: <db_use_table> not found 0(27360) DEBUG: <core> [sr_module.c:684]: find_mod_export: <db_use_table> in module <db_flatstore> not found 0(27360) DEBUG: <core> [sr_module.c:631]: find_export_record: <db_init> not found 0(27360) DEBUG: <core> [sr_module.c:684]: find_mod_export: <db_init> in module <db_flatstore> not found 0(27360) DEBUG: <core> [sr_module.c:631]: find_export_record: <db_close> not found 0(27360) DEBUG: <core> [sr_module.c:684]: find_mod_export: <db_close> in module <db_flatstore> not found 0(27360) DEBUG: <core> [sr_module.c:631]: find_export_record: <db_query> not found 0(27360) DEBUG: <core> [sr_module.c:684]: find_mod_export: <db_query> in module <db_flatstore> not found 0(27360) DEBUG: <core> [sr_module.c:631]: find_export_record: <db_fetch_result> not found 0(27360) DEBUG: <core> [sr_module.c:684]: find_mod_export: <db_fetch_result> in module <db_flatstore> not found 0(27360) DEBUG: <core> [sr_module.c:631]: find_export_record: <db_raw_query> not found 0(27360) DEBUG: <core> [sr_module.c:684]: find_mod_export: <db_raw_query> in module <db_flatstore> not found 0(27360) DEBUG: <core> [sr_module.c:631]: find_export_record: <db_free_result> not found 0(27360) DEBUG: <core> [sr_module.c:684]: find_mod_export: <db_free_result> in module <db_flatstore> not found 0(27360) DEBUG: <core> [sr_module.c:631]: find_export_record: <db_insert> not found 0(27360) DEBUG: <core> [sr_module.c:684]: find_mod_export: <db_insert> in module <db_flatstore> not found 0(27360) DEBUG: <core> [sr_module.c:631]: find_export_record: <db_delete> not found 0(27360) DEBUG: <core> [sr_module.c:684]: find_mod_export: <db_delete> in module <db_flatstore> not found 0(27360) DEBUG: <core> [sr_module.c:631]: find_export_record: <db_update> not found 0(27360) DEBUG: <core> [sr_module.c:684]: find_mod_export: <db_update> in module <db_flatstore> not found 0(27360) DEBUG: <core> [sr_module.c:631]: find_export_record: <db_replace> not found 0(27360) DEBUG: <core> [sr_module.c:684]: find_mod_export: <db_replace> in module <db_flatstore> not found 0(27360) DEBUG: <core> [sr_module.c:631]: find_export_record: <db_last_inserted_id> not found 0(27360) DEBUG: <core> [sr_module.c:684]: find_mod_export: <db_last_inserted_id> in module <db_flatstore> not found 0(27360) DEBUG: <core> [sr_module.c:631]: find_export_record: <db_insert_update> not found 0(27360) DEBUG: <core> [sr_module.c:684]: find_mod_export: <db_insert_update> in module <db_flatstore> not found 0(27360) ERROR: <core> [db.c:79]: module db_flatstore does not export db_use_table function 0(27360) ERROR: acc [acc.c:333]: bind_db failed 0(27360) ERROR: acc [acc_mod.c:459]: failed...did you load a database module? 0(27360) ERROR: <core> [sr_module.c:875]: init_mod(): Error while initializing module acc (/usr/local/kamailio-3.1/lib/kamailio/modules_k/acc.so) ERROR: error while initializing modules Any idea? Thanks in advance Javier

2 2

SIP Softphone with RPID and PAI
by Uriel Rozenbaum 25 Nov '10

25 Nov '10

Hey Guys, I was wondering if anyone knows some Windows Based softphone to do some tests on my Kamailio 1.5.4 deployment that will allow insertion of custom headers or at least Remote-Party-ID and/or P-Asserted-Identity. Thanks in advance, Uriel

4 6

Kamailio crash
by michel freiha 25 Nov '10

25 Nov '10

Dear Daniel, Do you mean by Kamailio 3.1 branch the git of kamailio 3.1.0 or the future version 3.1.1 that will be published? Regards

1 0

tm.t_uac_wait asynchronous?
by Alex Balashov 24 Nov '10

24 Nov '10

Does tm.t_uac_wait RPC call block a worker process while waiting for a reply, or use some sort of asynchronous callback? Thanks, -- Alex Balashov - Principal Evariste Systems LLC 1170 Peachtree Street 12th Floor, Suite 1200 Atlanta, GA 30309 Tel: +1-678-954-0670 Fax: +1-404-961-1892 Web: http://www.evaristesys.com/

2 1

Re: [SR-Users] Doubts with Registration
by Daniel-Constantin Mierla 24 Nov '10

24 Nov '10

never write private emails. They will be simply discarded. ngrep gets the traffic before the firewall. Do you have a firewall? start kamailio with log_stderror=yes and debug=5. if you don't see any sip message processing, then sip traffic does not reach the application layer. Cheers, Daniel On 11/18/10 10:39 AM, Danny Dias wrote: > Thanks for the answer Daniel, > > 2010/11/17 Daniel-Constantin Mierla<miconda(a)gmail.com> >> Hello, >> >> On 11/17/10 6:58 PM, Danny Dias wrote: >> >> Hello, >> I'm having problems with my kamailio, my phones are unable to register into the Proxy. I have been checking with ngrep-sip and all i'm receiving is many REGISTER from the phones but never getting some response from the Proxy >> The Proxy has a public IP and the phones are behind NAT. The weir thing is that my logs are not showing any output...and as you can see on the script, i have a section to receive REGISTER requests.... >> if (is_method("REGISTER")) { >> if (!save("location")) { >> sl_reply_error(); >> } >> exit; >> } >> >> If everything is fine, then no log message should be printed if debug parameter is low. > But i should see in the Kamailio logs the answers, right? or i have to > configure this on the scripts? > > My debug is on "3" > >> But if you run in debug mode with a high value and nothing is printed, then the SIP traffic does not reach the>application. A reason for that might be a firewall, do you run one? > The SIP traffic is arriving the machine (at least), i have checked > this with the ngrep on the server running kamailio: > > # > U 2010/11/18 10:26:03.331925 212.230.253.164:43686 -> 212.230.19.191:5060 > REGISTER sip:212.230.19.191 SIP/2.0' > Via: SIP/2.0/UDP 10.134.16.164:43686;branch=z9hG4bK247264420;rport' > From:<sip:101@212.230.19.191>;tag=1251867918' > To:<sip:101@212.230.19.191>' > Call-ID: 2022066534-16466-1(a)BA.BDE.BG.BGE' > CSeq: 4647 REGISTER' > Contact:<sip:101@10.134.16.164:43686>;reg-id=2;+sip.instance="<urn:uuid:00000000-0000-1000-8000-000B821FA066>"' > Max-Forwards: 70' > User-Agent: Grandstream GXV3140 1.0.1.1' > Supported: path' > Expires: 3600' > Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, > REFER, UPDATE, MESSAGE' > Content-Length: 0' > ' > > # > U 2010/11/18 10:26:05.339925 212.230.253.164:43686 -> 212.230.19.191:5060 > REGISTER sip:212.230.19.191 SIP/2.0' > Via: SIP/2.0/UDP 10.134.16.164:43686;branch=z9hG4bK247264420;rport' > From:<sip:101@212.230.19.191>;tag=1251867918' > To:<sip:101@212.230.19.191>' > Call-ID: 2022066534-16466-1(a)BA.BDE.BG.BGE' > CSeq: 4647 REGISTER' > Contact:<sip:101@10.134.16.164:43686>;reg-id=2;+sip.instance="<urn:uuid:00000000-0000-1000-8000-000B821FA066>"' > Max-Forwards: 70' > User-Agent: Grandstream GXV3140 1.0.1.1' > Supported: path' > Expires: 3600' > Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, > REFER, UPDATE, MESSAGE' > Content-Length: 0' > > And i never gets a response from Kamailio, for example, a 200 OK, or a > 407 unauthorized... > > What can i do? > >> Cheers, >> Daniel >> >> -- >> Daniel-Constantin Mierla >> http://www.asipto.com > > -- > Ing. Danny Dias > www.DannTEL.net -- Daniel-Constantin Mierla Kamailio (OpenSER) Advanced Trainings Nov 22-25, 2010, Berlin, Germany Jan 24-26, 2011, Irvine, CA, USA http://www.asipto.com

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sr-users November 2010