- sr-users - kamailio.org

Kamailio: Internal call
by Vicente Falco 26 Feb '16

26 Feb '16

I have a kamailo with 2 ethernet cards, the first with ip public and the other for asterisk virtual machines. When I call to a phone number (not intenal) it works, but whe I call to a asterisk extension... it does'nt work. (message: service unavailable 500) I have the kamailio with multidomain. What can I do? -- Un Saludo, Vicente Falcó

2 1

Media server can't return ACK correctly
by Alexandru Covalschi 26 Feb '16

26 Feb '16

Hello everyone. The setup is: Carrier ip is CARRIER_IP Public network Kamailio IP will be PUBLIC_IP Private network Kamailio IP will be KAMAILIO_PRIVATE_IP Private network Freeswitch IP is FREESWITCH_PRIVATE_IP ACK CARRIER_IP -> PUBLIC_IP->FREESWITCH_PRIVATE_IP And freeswitch tries to actually send ACK back to PUBLIC_IP which he can't access. Kamailio trace: http://pastebin.com/raw/1W1sXuUa Freeswitch trace: http://pastebin.com/raw/KkZCwTTJ request_route: http://pastebin.com/raw/Y17pXUGY NATMANAGE route: http://pastebin.com/raw/0BpPDjN0 WITHINDLG route: http://pastebin.com/raw/5LpwSigF I'm seeking help with that - what parameter I need to change/add to solve that? Maybe it's a networking problem - but why then ACK reaches Freeswitch and all other requests flow OK? Thanks in advance, Alex -- Alexandru Covalschi ABRISS-Solutions VoIP engineer and system administrator phone: +37367398493 web: http://abs-telecom.com/

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[4.2.6] Keep-alive sent by dialog module seems does not refresh the dialog...
by Jack Wang 26 Feb '16

26 Feb '16

Hello, I used the below settings to test the keep-alive function within a dialog: modparam("dialog", "default_timeout", 60) modparam("dialog", "ka_timer", 10) modparam("dialog", "ka_interval", 30) and use dlg_set_property("ka-src") or dlg_set_property("ka-dst") to send OPTIONS to caller or callee. A few questions to ask: (1) What's the difference between ka_timer and ka_interval? I read the http://www.kamailio.org/docs/modules/4.2.x/modules/dialog.html , but still can not understand very clearly. I know the ka_interval means OPTIONS will be sent after 30 seconds when dialog started or last keep-alive has been done. but I don't know how ka_timer works. (2) From the packets captured I can see server sent OPTIONS and the client (caller or callee) sent back 200 OK. According to the document, "The dialog timeout is reset each time a sequential request is processed" However, the dialog was still timeout, it seems that the timeout value was not reset. And I make the clients send the OPTIONS and frequently , the dialog never expires now. So the refresh only works on the keep-alive sent by clients not the server here? Thanks :)

1 0

Binary interface: usrloc replications - restore registrations after node restart
by evoip＠ukr.net 25 Feb '16

25 Feb '16

Hi ! It's really nice option - that now Opensips nodes can replicate "SIP registrations" and "Dialogs" between each other w *"bin_listen" options. http://www.opensips.org/Documentation/Interface-Binary-2-1 * I have a few question related to cluster architecture with fail over: 1). - If one of the "Opensips phone edges" was restarted - can it catch all USRLOC registrations throught binary interface from alive nodes ? - if it can't do restoring of the database through binary interface - maybe you have an idea how to do that ? 2). - it's share dialogs information - if one node is suddenly down, can call dialog be proceeded on other node ? With kind regards, Ewgeny Berladin Voip Engineer

2 1

how to drop 200ok and survive?
by Uri Shacked 25 Feb '16

25 Feb '16

Hi, for some strange reason, ask my regulator.... i need to manipulate certain calls. the scenario goes like this: 1. caller sends invite to kamailio. 2. kamailio transfer the call to asterisk. 3. asterisk send progress and play "hello". 4. asterisk creates a new call (dial) to the same kamailio with destination callee. 5. the callee answers the call. here, i need to block the 200ok. so that the caller does not receive it. i managed to block it with t_suspend(). but, there is no bidirectional media. the 183 progress was sent with sendreceive. it seems the asterisk is waiting for the ACK in order to open both ways for media. i tried to use uac_send_req() but it is being sent with no to tag. and when i try manipulating the uac_req(turi) it does not help because it takes all the string i entered and wraps it with <>. any ideas? BR, Uri

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Credential server
by Marek Moravčík 25 Feb '16

25 Feb '16

Hi guys, I am currently doing research in SIP security. As described in RFC 6072, there can be credential server storing public and private keys (certificates). I have question, if there is any support from Kamailio for this, or if somebody has tried similar things with Kamailio. Thanks! Best regards Marek Moravcik

2 2

Can not start kamailio 4.3 and 4.4. Fork errors with working configuration.
by Yuriy Gorlichenko 25 Feb '16

25 Feb '16

Checked config at another servers instanses. I tried to start 2 workable configs. All starts ends with 3 type of errors error.log error2.log error3.log Debug outputs of 3 times started one config on one same server. I think error outside kamailio because 4.3 and 4.4 also compiled successfully. But at this time I can not understand where is trouble. In first file I see that kamailio can not connect to database but user/pass is correct, and I also see that kamailio can not make fork of process. 2 and 3 process have different troubles but base is one - can not fork.

2 1

ovh trunk
by Sébastien Brice 24 Feb '16

24 Feb '16

Hi everyone I followed this guide http://kb.asipto.com/asterisk:realtime:kamailio-4.0.x-asterisk-11.3.0-astdb and got it working (101, 102 and 103) can call eachother. But now i am trying to figure Asterisk's role out. I am more an ipbx person and i am used to register providers trunk in asterisk/sip.conf file, like this: register => [peer?][transport://]user[@domain][:secret[:authuser]]@host[:port][/extension] doing that i got plenty of OPTIONS request and 200 OK reply between my Kamailio and my provider (and it is a bit noisy) doing that i feel missing kamailio's logic and power to deal with externals trunk provider The thing is i need my authenticated users (101,102,103) be capable dialing my trunk and requesting INVITE for non-local request. What is the best way to achieve that? My DID provider gave me user/passwd/realm. I heard about avp special variables (auth_XXXX_avp and uac) and some snippets config that could help me to go there. Is that efficient to place the routing's logic to Kamailio and how to do that with my ovh trunk? thx you

2 1

Re: [SR-Users] Cancel remove or drop transaction
by Uri Shacked 24 Feb '16

24 Feb '16

On 24 Feb 2016 22:08, "Uri Shacked" <uri.shacked(a)gmail.com> wrote: > Because the t_continue will send the 200 that i want not to send (but not > to drop in on_reply). > The thing is that acording to the situation, i need to decide after a few > seconds, if i drop or allow. > On 24 Feb 2016 21:41, "Uri Shacked" <ushacked(a)gmail.com> wrote: > >> Hi, >> When using t_suspend. Is it possible to cancel, drop or remove >> transaction from memory without using t_continue ? >> Uri >> >

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Cancel remove or drop transaction
by Uri Shacked 24 Feb '16

24 Feb '16

Hi, When using t_suspend. Is it possible to cancel, drop or remove transaction from memory without using t_continue ? Uri

2 1

DNSSRV to resolve to multiple Kamailio servers
by Derek Bolichowski 24 Feb '16

24 Feb '16

Hello, I'm trying to create a DNSSRV record that resolves to multiple Kamailio servers for my clients to authenticate against. Before using Kamailio, we had a DNSSRV record setup that resolved to our multiple Asterisk servers via their WAN Address. I've tried to do the same with Kamailio, but not having much luck. The DNSSRV record is setup as follows, as you can see from the output of a `dig` query: ;_sip._udp.kam.some-domain.com. IN SRV ;; ANSWER SECTION: _sip._udp.kam.some-domain.com. 14399 IN SRV 20 100 5060 kam1.some-domain.com. _sip._udp.kam.some-domain.com. 14399 IN SRV 10 100 5060 kam2.some-domain.com. I am not able to register any devices to this SRV record. However I /CAN/ register directly to kam1.some-domain.com and kam2.some-domain.com Registration attempts to the DNSSRV Record (kam.some-domain.com) do not even appear in /var/log/messages. We have the domain name for kam (SRV Record), kam1 and kam2 setup in kamailio.domain and kamailio.dispatcher. What am I missing here? Thank you for taking the time to read this! Derek Bolichowski

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getting error on kamailio with homer configurations
by Achintha 24 Feb '16

24 Feb '16

hi , we configured homer with kamailio sip capture (server-A) then i try configured another kamailio with siptrace (server-B) mysql database configured with "homer_data" DB i try to call to the second kamailio server using sip phone but didn't get data on homer ui then I find an error on kamailio server configured with homer (server-B) as follows, 5(18128) ERROR: db_mysql [km_dbase.c:128]: db_mysql_submit_query(): driver error on query: Table 'homer_data.sip_capture_call_20160223' doesn't exist (1146) 5(18128) ERROR: <core> [db_query.c:235]: db_do_insert_cmd(): error while submitting query kindly help me to solve this -- Thanking you Achintha

2 2

Issue with Double Record Route
by Alberto Sagredo 24 Feb '16

24 Feb '16

Im fancing some issues due to kamailio behind nat and thought double record route could help me . But enabling that : modparam("rr", "enable_double_rr", 1) And later using record_route_advertised_address("X.X.X.X:5060"); is giving me this error: w_record_route_advertised_address(): Double attempt to record-route Off course, only a single Record Route is present.. What am i doing wrong? Using Kamailio 4.3.4

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catching lost websocket ua
by Juha Heinanen 23 Feb '16

23 Feb '16

when a ua that has registered over tcp has lost its connection to sip proxy, t_relay() succeeds and branch failure route is executed: Feb 21 05:07:26 lohi /usr/bin/sip-proxy[20528]: INFO: ********** entering branch_route [CONTACT_BRANCH] Feb 21 05:07:26 lohi /usr/bin/sip-proxy[20528]: INFO: ********** activating t_on_branch_failure("contact)" Feb 21 05:07:26 lohi /usr/bin/sip-proxy[20528]: INFO: Routing INVITE <sip:jh-0x16737a0@192.98.102.10:44186;transport=tcp> to contact via <sip:192.98.102.10:51297;transport=tcp> Feb 21 05:07:26 lohi /usr/bin/sip-proxy[20528]: WARNING: tm [t_fwd.c:1543]: t_send_branch(): ERROR: t_send_branch: sending request on branch 0 failed Feb 21 05:07:26 lohi /usr/bin/sip-proxy[20528]: INFO: ********* t_relay success Feb 21 05:07:31 lohi /usr/bin/sip-proxy[20480]: INFO: ********** entering tm:branch-failure:contact but when a ua that has registered over websocket over tcp has lost is connection to sip proxy, t_relay() fails and branch failure route is not executed: Feb 21 05:08:26 lohi /usr/bin/sip-proxy[20523]: INFO: ********** entering branch_route [CONTACT_BRANCH] Feb 21 05:08:26 lohi /usr/bin/sip-proxy[20523]: INFO: ********** activating t_on_branch_failure("contact)" Feb 21 05:08:26 lohi /usr/bin/sip-proxy[20523]: INFO: Routing INVITE <sip:an41pa6p@ggjdptrk9jm0.invalid;transport=ws> to contact via <sip:192.98.102.10:39057;transport=ws> Feb 21 05:08:26 lohi /usr/bin/sip-proxy[20523]: WARNING: <core> [msg_translator.c:2756]: via_builder(): TCP/TLS connection (id: 0) for WebSocket could not be found Feb 21 05:08:26 lohi /usr/bin/sip-proxy[20523]: ERROR: <core> [msg_translator.c:1974]: build_req_buf_from_sip_req(): could not create Via header Feb 21 05:08:26 lohi /usr/bin/sip-proxy[20523]: ERROR: tm [t_fwd.c:462]: prepare_new_uac(): could not build request Feb 21 05:08:26 lohi /usr/bin/sip-proxy[20523]: ERROR: tm [t_fwd.c:1712]: t_forward_nonack(): ERROR: t_forward_nonack: failure to add branches Feb 21 05:08:26 lohi /usr/bin/sip-proxy[20523]: INFO: ********* t_relay failure in the latter case, is there some means to get access to the failing branch in order to be able to unregister it, delete its rtpengine session, etc? why can't kamailio behave the same way no matter if pure tcp connection or one using websocket protocol over tcp connection fails? -- juha

2 2

PUBLISH request receives 404 response, and loops on loopback interface
by Matthew Harrold 23 Feb '16

23 Feb '16

Hi all, I am new to Kamailio but have previous experience with Asterisk, Freeswitch and SIP. I am using a fairly default config file with some sections removed (E.G NAT) to simplify things, and some extra logging so I can see the way packets traverse the configuration. Config here - http://pastebin.com/raw/CCgT0C78 I have noticed that when a UAC sends a PUBLISH request, Kamailio immediately responds '404 Not Found' and more worryingly the logs and a packet capture running on the lo interface indicate it's sending the PUBLISH request to itself in a loop until it hits the Max-Forwards limit. Publish URI is PUBLISH sip:201@kamailio.marrold.co.uk;transport=UDP SIP/2.0 I have two questions, 1) Why is this request being sent a 404, when the UAC is in the USRLOC table? 2) Why is the request looping until Max Forwards is exhausted? Any help appreciated, Marrold

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Re: [SR-Users] Kamailio Cluster
by Arsen Hovhanissian 23 Feb '16

23 Feb '16

Sorry forgot to specify (in-memory) not using the DB, I feel like using the DB for such a task would be such a drag on it

2 1

Installation issues
by Ed Todd 23 Feb '16

23 Feb '16

I tried installing the pre-compiled version of 4.3 under Debian and had all sorts of problems. I found there were 2 sets of paths involved in documentation/procedures plus a reference to a 3rd which caused a complete failure when the directory referred to was missing. I ran into more problems when I tried to access my server from outside my network (static IP). So I thought I’d bite the bullet and install from source. I get to the bit where I am creating the database and even more errors: a.. cannot connect to local mysql server b.. kamdbctl.mysql 112: unary operator expected In one part of the procedure it refers to db_mysql and another to mysql. Is there a simple installation guide around anywhere which will help me get around all these problems? All I want is a Debian with KAMAILIO running on it!

2 1

Re: [SR-Users] Kamailio Cluster
by Arsen Hovhanissian 23 Feb '16

23 Feb '16

Since this thread is open, I wanted to ask, is it possible to replicate dialog data over to multiple nodes as well?

1 0

avp's are not available on default onreply_route ?
by Uri Shacked 22 Feb '16

22 Feb '16

before route[relay] i set $avp(x)="test" on the managed onreply_route i can use $avp(x). on the default onreply_route it is not available. meaning <null>. is that how it suppose to work? it makes it difficult to block a certain 200ok, like i meant to, on the issue - "how to drop 200ok and survive?" thanks, uri

2 2

sip_trace vs uac_reg
by James Cloos 22 Feb '16

22 Feb '16

I've started adding sip_trace to my kamailios, and mostly have it working, but cannot figure out how to capture the outgoing calls from uac_reg. I had to add: reply_route { sip_trace(); } onsend_route { sip_trace(); } to capture those packets. What *_route {} does uac_reg target for its outgoing packets? I read uac_reg.[ch], and see that it uses the t_request method from tm's struct tm_binds. And that the methods are defined via a call to load_tm_api(), and that t_request defaults to the request() function in tm/uac.c. But I don't see from that which route chunk it uses. -JimC -- James Cloos <cloos(a)jhcloos.com> OpenPGP: 0x997A9F17ED7DAEA6

3 3

Upgrade 4.0 to 4.3
by Daniel W. Graham 22 Feb '16

22 Feb '16

I'm looking to upgrade a system from 4.0 to 4.3 I see the various upgrade docs https://www.kamailio.org/wiki/install/upgrade/4.0.x-to-4.1.0 https://www.kamailio.org/wiki/install/upgrade/4.1.x-to-4.2.0 https://www.kamailio.org/wiki/install/upgrade/4.2.x-to-4.3.0 If the updates are completed as shown in the docs, can I jump directly to 4.3? Anything to look out for? Thanks! -dan

3 4

Unable to use json module
by Sunil More 22 Feb '16

22 Feb '16

Hello All, I am getting the below error , when ever i try to use json.so module for kamailio. I have compiled and installed with json.so however this error occurs. 0(20153) ERROR: <core> [sr_module.c:576]: load_module(): could not open module </usr/local/kamailio//lib64/kamailio/modules/json.so>: /usr/local/kamailio//lib64/kamailio/modules/json.so: undefined symbol: is_error 0(20153) : <core> [cfg.y:3365]: yyerror_at(): parse error in config file /usr/local/kamailio/etc/kamailio/cc_kamailio/basic.cfg, line 69, column 12-20: failed to load module ERROR: bad config file (1 errors) The kamailio version I am using is : version: kamailio 4.4.0-pre0 (x86_64/linux) 4e7573 Please let me know, how can i proceed here. Thanking You, Sunil More Ph : 9503338275

2 3

db_cluster.so module and kamctlrc DBHOST= field
by Derek Bolichowski 22 Feb '16

22 Feb '16

Hi there, New user to Kamailio here. We currently have it up and running in a virtualized environment with 1 Kamailio sever, 1 Asterisk server and 1 MySQL server. I'm currently writing install scripts to make deploying new nodes/servers easy and to keep settings the same across the board. I've chosed to load the db_cluster.so module in kamailio.cfg, as we will have 2x MySQL servers in master-master replication which will contain the 'kamailio' and 'asterisk' tables. I've just hit a stumbling block - in `kamctlrc`, there is a field called `DBHOST=`. How can I reference my cluster here? In kamailio.cfg, I simply define DBURL as "cluster//<clustername>". What is the syntax for 'DBHOST=' in 'kamctlrc'? Can I reference the cluster? Can I have 2 separate DBHOST= lines? Looking for some guidance on this one. Thanks, Derek B.

2 2

Unable to start kamailio
by sgy 21 Feb '16

21 Feb '16

Hi, Today I download the source codes in version 4.3 by git, and compile and install it. I configure the kamctlrc and kamailio.cfg, but I can't start it, Please refer to following error. Feb 21 21:47:36 ubuntu /usr/local/sbin/kamailio[13672]: ERROR: db_mysql [km_dbase.c:124]: db_mysql_submit_query(): driver error on query: Table 'kamailio.version' doesn't exist (1146) Feb 21 21:47:36 ubuntu /usr/local/sbin/kamailio[13672]: ERROR: <core> [db_query.c:132]: db_do_query_internal(): error while submitting query Feb 21 21:47:36 ubuntu /usr/local/sbin/kamailio[13672]: ERROR: <core> [db.c:397]: db_table_version(): error in db_query Feb 21 21:47:36 ubuntu /usr/local/sbin/kamailio[13672]: ERROR: <core> [db.c:436]: db_check_table_version(): querying version for table location Feb 21 21:47:36 ubuntu /usr/local/sbin/kamailio[13672]: ERROR: usrloc [dlist.c:642]: register_udomain(): error during table version check. Feb 21 21:47:36 ubuntu /usr/local/sbin/kamailio[13672]: ERROR: registrar [reg_mod.c:561]: domain_fixup(): failed to register domain Feb 21 21:47:36 ubuntu /usr/local/sbin/kamailio[13672]: ERROR: <core> [route.c:1154]: fix_actions(): fixing failed (code=-1) at cfg:/usr/local/etc/kamailio//kamailio.cfg:647 Feb 21 21:47:36 ubuntu /usr/local/sbin/kamailio[13672]: ERROR: <core> [route.c:1154]: fix_actions(): fixing failed (code=-1) at cfg:/usr/local/etc/kamailio//kamailio.cfg:649 Feb 21 21:47:36 ubuntu /usr/local/sbin/kamailio[13672]: INFO: <core> [sctp_core.c:53]: sctp_core_destroy(): SCTP API not initialized -- Best Regards, Shengy

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Re: [SR-Users] [SPAM]Re: Registration Failure - IMS
by Franz Edler 21 Feb '16

21 Feb '16

Hi Cristina, > But I have another problem related to registration process. After REGISTER- > 401 Unauthorized-REGISTER-200 OK, the IMS client sends the SUBSCRIBE > message (for the "reg" event package subscription) to the S-CSCF, the latter > replies with NOTIFY and the client correctly responds with 200 OK. In order to > be notified on any change of registration state for the client, also the P-CSCF > sends the SUBSCRIBE message to the S-CSCF, the S-CSCF sends a NOTIFY to > the proxy but, instead of replying with 200 OK, the P-CSCF replies with 404- > Not Here (like it doesn't recognize that the recipient of the NOTIFY in the > Req-URI is the P-CSCF itself). > > Have you ever seen similar issue? I have now spent some time to reproduce the issue. First of all: I had to adapt module reg_mod.c in ims_registrar_pcscf, because it containes a hardcoded P-CSCF address: str pcscf_uri = str_init("sip:pcscf.ims.smilecoms.com:4060"); which is only valid for smilecoms. Did you also change that? Then I got exactly the same problem. I found that the P-CSCF config causes in the part "# Check for Subsequent requests:" a reject " sl_send_reply("404","Not here");" I have doubts that this is correctly designed and have to dig deeper into the logic of the config-file. Fact is: the NOTIFY request does not contain a Route header and as it not an ACK it goes straight to the reject. Maybe any IMS expert can shed some light on this code as shown below: # Check for Subsequent requests: if (has_totag()) { # sequential request withing a dialog should # take the path determined by record-routing if (loose_route()) { if ($route_uri =~ "sip:mo@.*") { setflag(FLT_MO); } if(!isdsturiset()) { handle_ruri_alias(); } # RTP-Relay, if necessary route(RTPPROXY); t_relay(); } else { if ( is_method("ACK") ) { if ( t_check_trans() ) { # no loose-route, but stateful ACK; # must be an ACK after a 487 # or e.g. 404 from upstream server t_relay(); exit; } else { # ACK without matching transaction ... ignore and discard exit; } } sl_send_reply("404","Not here"); } exit; BR Franz

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