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Bad AVP Flags When Using avp_db_load()
by Simpson Chua 13 Mar '12

13 Mar '12

Hi, I'm trying to use avp_db_load to check for some IPs but I'm getting bad avp flags errors. As far as I understand, the syntax is correct. TableName: labservers uuid username domain attribute value type "" "" "domain1" "lab1" "192.168.55.1" 0 "" "" "domain1" "lab1" "192.168.55.2" 0 "" "" "domain2" "lab2" "192.168.55.3" 0 "" "" "domain2" "lab2" "192.168.55.4" 0 if ((avp_db_load("$ruri/domain","s:lab1/labservers") && avp_check("s:lab1", "eq/$Ri/gi"))) { # Do something } Mar 13 10:55:24 ubuntu /usr/local/sbin/kamailio[12012]: DEBUG: <core> [rvalue.c:2857]: RV fixing type 3 Mar 13 10:55:24 ubuntu /usr/local/sbin/kamailio[12012]: DEBUG: <core> [rvalue.c:2857]: RV fixing type 2 Mar 13 10:55:24 ubuntu /usr/local/sbin/kamailio[12012]: DEBUG: <core> [rvalue.c:2865]: RV is str: "REGISTER" Mar 13 10:55:24 ubuntu /usr/local/sbin/kamailio[12012]: DEBUG: <core> [route.c:506]: right EXP optimized: op10(O51, _ST22_) => op10(O51, _ST1_) Mar 13 10:55:24 ubuntu /usr/local/sbin/kamailio[12012]: DEBUG: <core> [rvalue.c:2857]: RV fixing type 4 Mar 13 10:55:24 ubuntu /usr/local/sbin/kamailio[12012]: DEBUG: <core> [route.c:929]: fixing avp_db_load() Mar 13 10:55:24 ubuntu /usr/local/sbin/kamailio[12012]: ERROR: avpops [avpops_parse.c:129]: error - bad avp flags Mar 13 10:55:24 ubuntu /usr/local/sbin/kamailio[12012]: ERROR: avpops [avpops.c:299]: parse failed Mar 13 10:55:24 ubuntu /usr/local/sbin/kamailio[12012]: ERROR: <core> [route.c:1216]: fixing failed (code=-1) at cfg:/usr/local/etc/kamailio//kamailio.cfg:71 Line 71 is the "if" statement above. Could someone see could be the issue? Thanks, Simpson

2 1

log not visible in stderr
by Vineet Menon 13 Mar '12

13 Mar '12

Hi, I am new to kamailio and want to install a simple registrar. Now, I have a ubuntu machine in which I have installed kamailio 3.2.x. I have included #!define WITH_DEBUG in configuration file, while the rest of the file is same as default. But I am not able to see any debug message. Any help? Regards, Vineet Menon

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exec_avp problem
by Uri Shacked 12 Mar '12

12 Mar '12

Hi, i am using the exec_avp command as followed: *exec_avp("[/usr/local/etc/kamailio/maintenance/service/service_pr.sh", "$avp(xxx),$avp(yyy)");* ** here is the shell script content: ** *RETVAL=-1 RES=`kamctl cr reload` RETVAL=$? echo "$RETVAL" echo "$RES"* ** I keep on getting 127 as the retval. any ideas why? I must say that two days ago, the script was OK..... :-( where i run the script manualy i have no problems... retval is 0. here is the log with debug 4: *cfg_set_now(): core.debug has been changed to 4 Mar 12 14:20:43 server-Test /usr/local/sbin/kamailio[16589]: DEBUG: <core> [md5utils.c:67]: DEBUG: MD5 calculated: 64d3de5c2447acd6006b8539d1246e10 Mar 12 14:20:43 server-Test /usr/local/sbin/kamailio[16589]: DEBUG: exec [exec_hf.c:267]: SIP_HF_CONTENT_LENGTH=0 Mar 12 14:20:43 server-Test /usr/local/sbin/kamailio[16589]: DEBUG: exec [exec_hf.c:267]: SIP_HF_CSEQ=1 OPTIONS Mar 12 14:20:43 server-Test /usr/local/sbin/kamailio[16589]: DEBUG: exec [exec_hf.c:267]: SIP_HF_CALLID=123 Mar 12 14:20:43 server-Test /usr/local/sbin/kamailio[16589]: DEBUG: exec [exec_hf.c:267]: SIP_HF_TO=<**you(a)kamailio.org* <you(a)kamailio.org>*> Mar 12 14:20:43 server-Test /usr/local/sbin/kamailio[16589]: DEBUG: exec [exec_hf.c:267]: SIP_HF_FROM=<**you(a)kamailio.org>;tag=123*<you(a)kamailio.org%3E;tag=123> *Mar 12 14:20:43 server-Test /usr/local/sbin/kamailio[16589]: DEBUG: exec [exec_hf.c:267]: SIP_HF_VIA=SIP/2.0/UDP 127.0.0.1 Mar 12 14:20:43 server-Test /usr/local/sbin/kamailio[16589]: DEBUG: exec [exec_mod.c:208]: executing [/usr/local/etc/kamailio/maintenance/service/service_pr.sh] Mar 12 14:20:43 server-Test /usr/local/sbin/kamailio[16589]: DEBUG: <core> [main.c:852]: SIGCHLD received: we do not worry about grand-children Mar 12 14:20:43 server-Test /usr/local/sbin/kamailio[16589]: CRITICAL: <script>: 127,0*

2 1

Registration Limits
by Reda Aouad 12 Mar '12

12 Mar '12

Hi, Is there a way to ensure single-registration per user-agent for a user, which overwrites previous registration ? Or is there a way to limit the number of registrations per user, but overwriting the earliest registration for each new one ? Thanks, Reda

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Kamailio + Asterisk, what happens when limit for gateway is reached
by Sasa Vilic 12 Mar '12

12 Mar '12

Hello, I have read here about load balancing between multiple gateways by using carrierroute module, but there is one particular question for which I found no answer. Let's say I have two asterisk servers (X und Y), that are my gateways to PSTN. Let we do it simple. Let's say that each gateway supports only one outgoing call at the time and there is no incoming calls from PSTN. Now: Bob calls one number and Kamailio uses X gateway. Alice calls other number and Kamailio uses Y gateway. Alice terminates the call. Alice place a new call, but Bob's call is still in progress. If we were used round robin algorithm, Kamailio would then use X gateway, but X gateway is currently occupied. What shell happen now? And what if Alice didn't tear down call ordinary? What if it her SIP client simply crashed? (Then kamailio would think that there is now free gateway) So the main question is: can kamailio know/detect, how much calls are going over one particular gateway and what can be done when limit for this gateway is reached? Thank you in advance. Kind Regards, Sasa Vilic

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Plans for next major release v3.3.0
by Daniel-Constantin Mierla 12 Mar '12

12 Mar '12

Hello, during the last IRC devel meeting, we discussed about next major release - v3.3.0, proposing to do it before the summer holidays. That means we are going to have about one more month of development, then go to testing phase and release end of May/beginning of June. If anyone is considering different plans/proposals, let us know. The draft of new features in current devel branch are collected at: * http://www.kamailio.org/wiki/features/new-in-devel Please add any missing items there. Cheers, Daniel -- Daniel-Constantin Mierla Kamailio Advanced Training, April 23-26, 2012, Berlin, Germany http://www.asipto.com/index.php/kamailio-advanced-training/

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IRC Devel Meeting Transcript
by Daniel-Constantin Mierla 12 Mar '12

12 Mar '12

Hello, took me some time to upload, however, if anyone is interested to read the discussions done during last IRC devel meeting, here is the link: * http://www.kamailio.org/wiki/devel/irc-meetings/2012a#transcripts_of_discus… I will bring soon to the lists via dedicated messages some of the topics that need further discussions. Cheers, Daniel -- Daniel-Constantin Mierla Kamailio Advanced Training, April 23-26, 2012, Berlin, Germany http://www.asipto.com/index.php/kamailio-advanced-training/

1 0

XHTTP or XMLRPC modules
by Uri Shacked 11 Mar '12

11 Mar '12

Hi, it worked. i had some kind of error in my config. a question - can XMLRPC and XHTTP work together on the same config? is there no collision there? BR, Uri >Hello, > >can you get the http request with ngrep and send it here? It will be >helpful to see it all, not only what kamailio could parse. > >Also, if the http request is not sending content length header, set the >global parameter: > >http://www.kamailio.org/wiki/cookbooks/devel/core#tcp_accept_no_cl > >Cheers, >Daniel > >On Tue, Mar 6, 2012 at 9:56 AM, Uri Shacked <ushacked at gmail.com<http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users>> wrote: > >* hi, *>* *>* i need to start some kind of proccess in my kamailio server (manualy, not *>* by timer). *>* the best way i can think of is to send a HTTP request. *>* *>* i can do it with the XMLRPC module, but i get an error because i dont *>* realy send XML. *>* i try the XHTTP module. but the event_rout[xhttp_request] does not run. *>* *>* i get : *>* 19(2796) ERROR: <core> [tcp_read.c:965]: ERROR: tcp_read_req: bad request, *>* state=7, error=4 buf: *>* POST / HTTP/1.0 *>* User-Agent: Fiddler *>* Host: 10.2.0.55:5060 *>* *>* parsed: *>* POST / HTTP/1.0 *>* User-Agent: Fiddler *>* Host: 10.2.0.55:5060 *>* any ideas? *

2 1

Enable session_id in ServerHello for TLS
by Kristijan Vrban 11 Mar '12

11 Mar '12

Hello, how to tell that Kamailio should juse a session_id for tls ? See ssldump output below. I reckon that this is the reason the client i use end with "handshake_failure". Because when is use opensips, there is the session_id, and it's working. Kristijan 2 1 0.0228 (0.0228) C>S Handshake ClientHello Version 3.1 cipher suites TLS_RSA_WITH_RC4_128_MD5 TLS_RSA_WITH_RC4_128_SHA TLS_RSA_WITH_NULL_MD5 TLS_RSA_WITH_NULL_SHA TLS_DH_anon_WITH_3DES_EDE_CBC_SHA TLS_DH_anon_WITH_RC4_128_MD5 TLS_RSA_WITH_DES_CBC_SHA TLS_RSA_EXPORT1024_WITH_RC4_56_SHA TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA TLS_DH_anon_WITH_DES_CBC_SHA compression methods NULL 1 0.0519 (0.0519) C>S TCP FIN 2 2 0.0432 (0.0204) S>C Handshake ServerHello Version 3.1 session_id[0]= cipherSuite TLS_RSA_WITH_RC4_128_MD5 compressionMethod NULL 2 3 0.0432 (0.0000) S>C Handshake Certificate 2 4 0.0432 (0.0000) S>C Handshake ServerHelloDone 2 5 0.0452 (0.0020) C>S Alert level fatal value handshake_failure 1 0.0744 (0.0225) S>C TCP FIN 2 0.0681 (0.0228) S>C TCP FIN

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PUA_XMPP: Notify in a non existing dialog
by Dan-Cristian Bogos 10 Mar '12

10 Mar '12

Guys, After my previous discovered issue (Kamailio not happy to talk with Openfire for subscriptions), trying to find work arounds, thought about using pua_mi to enforce subscriptions coming from XMPP side. The following events happen: * I subscribe over mi interface successfully. * Presence sends NOTIFY out. * PUA_XMPP rejects the NOTIFY saying that it does not match an existing dialog. I was wondering where does PUA_XMPP check the existing dialogs and if there is other way to fix my issues? Bellow you can find commands, ngrep as well as kamailio error to syslog. Ta for any kind of tip, DanB """ ### Console ### kamctl fifo pua_subscribe sip:dan@hiddendom.com sip:user01@hiddendom.com presence 3600 ### Trace ### U 2012/03/02 18:17:07.318753 127.0.0.1:5060 -> 127.0.0.1:5060 SUBSCRIBE sip:dan@hiddendom.com SIP/2.0. Via: SIP/2.0/UDP 127.0.0.1;branch=z9hG4bK5ddb.d2ee4046.0. To: sip:dan@hiddendom.com. From: sip:user01@hiddendom.com;tag=7bcd2f0283a17a6a3eb34b70a7dbcaec-55da. CSeq: 10 SUBSCRIBE. Call-ID: 77d7b19267fdcae8. Content-Length: 0. User-Agent: kamailio (3.2.0 (x86_64/linux)). Max-Forwards: 70. Event: presence. Contact: <sip:user01@hiddendom.com>. Expires: 3610. . # T 2012/03/02 18:17:07.319501 127.0.0.1:35067 -> 127.0.0.1:3306 [AP] .....select status,reason from watchers where presentity_uri='sip:dan@hiddendom.com' AND watcher_username='user01' AND watcher_domain='hiddendom.com' AND event='presence' # T 2012/03/02 18:17:07.319795 127.0.0.1:3306 -> 127.0.0.1:35067 [AP] .....7....def.prxdb.watchers.watchers.status.status.?...........7....def.prxdb.watchers.watchers.reason.reason...@........................... ## T 2012/03/02 18:17:07.319885 127.0.0.1:35067 -> 127.0.0.1:3306 [AP] .....insert into watchers (presentity_uri,watcher_username,watcher_domain,event,status,inserted_time ) values ('sip:dan@hiddendom.com','user01','hiddendom.com','presence',1,1330712227) # T 2012/03/02 18:17:07.320079 127.0.0.1:3306 -> 127.0.0.1:35067 [AP] ........... # U 2012/03/02 18:17:07.320250 127.0.0.1:5060 -> 127.0.0.1:5060 SIP/2.0 202 OK. Via: SIP/2.0/UDP 127.0.0.1;branch=z9hG4bK5ddb.d2ee4046.0;rport=5060. To: sip:dan@hiddendom.com;tag=c87c23e595340de8a004872f7dfab287-19b1. From: sip:user01@hiddendom.com;tag=7bcd2f0283a17a6a3eb34b70a7dbcaec-55da. CSeq: 10 SUBSCRIBE. Call-ID: 77d7b19267fdcae8. Expires: 3600. Contact: <sip:127.0.0.1>. Server: kamailio (3.2.0 (x86_64/linux)). Content-Length: 0. . # T 2012/03/02 18:17:07.320317 127.0.0.1:35067 -> 127.0.0.1:3306 [AP] .....select body,expires,etag,sender from presentity where domain='hiddendom.com' AND username='dan' AND event='presence' order by received_time # T 2012/03/02 18:17:07.320541 127.0.0.1:3306 -> 127.0.0.1:35067 [AP] .....7....def.prxdb presentity presentity.body.body.?...........=....def.prxdb presentity presentity.expires.expires.?...........7....def.prxdb presentity presentity.etag.etag...@.....P...;....def.prxdb presentity presentity.sender.sender...........................Y.<?xml version="1.0"?> <presence xmlns="urn:ietf:params:xml:ns:pidf" xmlns:dm="urn:ietf:params:xml:ns:pidf:data-model" xmlns:rpid="urn:ietf:params:xml:ns:pidf:rpid" xmlns:c="urn:ietf:params:xml:ns:pidf:cipid" entity="dan(a)hiddendom.com"> <tuple id="0x7f7e550f0d70"> <status> <basic>open</basic> </status> </tuple> </presence> 1330712820.a.1330712207.16317.1.1.......... # U 2012/03/02 18:17:07.320996 127.0.0.1:5060 -> 127.0.0.1:5060 NOTIFY sip:user01@hiddendom.com SIP/2.0. Via: SIP/2.0/UDP 127.0.0.1;branch=z9hG4bKae68.a038faa7.0. To: sip:user01@hiddendom.com;tag=7bcd2f0283a17a6a3eb34b70a7dbcaec-55da. From: sip:dan@hiddendom.com;tag=c87c23e595340de8a004872f7dfab287-19b1. CSeq: 2 NOTIFY. Call-ID: 77d7b19267fdcae8. Content-Length: 345. User-Agent: kamailio (3.2.0 (x86_64/linux)). Max-Forwards: 70. Event: presence. Contact: <sip:127.0.0.1>. Subscription-State: active;expires=3670. Content-Type: application/pidf+xml. . <?xml version="1.0"?> <presence xmlns="urn:ietf:params:xml:ns:pidf" xmlns:dm="urn:ietf:params:xml:ns:pidf:data-model" xmlns:rpid="urn:ietf:params:xml:ns:pidf:rpid" xmlns:c="urn:ietf:params:xml:ns:pidf:cipid" entity="dan(a)hiddendom.com"> <tuple id="0x7f7e550f0d70"> <status> <basic>open</basic> </status> </tuple> </presence> ############# kamailio.log: ############# Mar 2 18:17:07 prx3 /usr/sbin/kamailio[16319]: INFO: presence [notify.c:1593]: NOTIFY sip:user01@hiddendom.com via sip:user01@hiddendom.com on behalf of sip:dan@hiddendom.com for event presence Mar 2 18:17:07 prx3 /usr/sbin/kamailio[16317]: ERROR: pua_xmpp [simple2xmpp.c:198]: Notify in a non existing dialog """

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