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37456 discussions

Homer SIP Capture Setup Question
by JR Richardson 17 Jan '12

17 Jan '12

Hi All, I spent a few hours this afternoon setting up a Homer SIP Capture server today. The build went well, good example setup howto's. My setup is a single kamailio/sipcature/homer node sitting on a LAN with 2 NIC's, eth0 for network access ssh/web, eth1 is the capture port connected to switch mirrored port. On the switch I have a kamailio proxy server being monitored. All SIP traffic through the proxy server is logged to the homer server, but the homer server is receiving SIP packets on the capture interface and sending out SIP messages through the network access eth0 port. The messages are being processed from the on_reply route. The default config for the capture node is to capture all SIP packets, but this seems to create the problem. Here is the route and onreply_route default config: route { sip_capture(); exit; } onreply_route { sip_capture(); exit; } If I replace the onreply_route exit; with drop; then the capture server no longer sends SIP messages out the eth0 interface and everything seems to work as expected. So my question; what is the difference between a drop; and exit; within the on_reply route and how the hell is the capture server sending messages out the eth0 network interface when the server is 100% bound to eth1 capture interface? Any insight or guidance is appreciated. Thanks. JR -- JR Richardson Engineering for the Masses

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NoSQL Backends for Subscriber Database.
by David 16 Jan '12

16 Jan '12

I was wondering if any NoSQL adapters are available for Kamailio to do "subscriber authentication" backend? I was looking at Mongo or CouchDB as two possible backends Seems like these would be good candidates for Backends for Kamailio. Any ideas on this? Thanks David.

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Selecting a database for Kamailio, PostgreSQL or MySQL
by Spencer Thomason 16 Jan '12

16 Jan '12

Hello all, We are currently in the process of reworking our billing platform which uses Kamailio for routing in conjunction with a Django based web interface. I am curious if anyone has any feedback on which database engine they chose for their deployment and why. Obviously performance is a concern but data integrity is essential. Currently we have two Kamailio based clusters in two datacenters using MySQL in a dual master setup for each of the primary database nodes. I've been looking into PostgreSQL as a possible alternative and would like to hear any community thoughts. Thanks, Spencer

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Re: [SR-Users] sr-users Digest, Vol 80, Issue 49
by Javier Gallart 16 Jan '12

16 Jan '12

Hello Yaron can you try "mi mt_reload"? Regards Javi > > Message: 2 > Date: Mon, 16 Jan 2012 11:54:04 +0200 > From: Yaron Nachum <nachum.yaron(a)gmail.com> > Subject: [SR-Users] using XMLRPC module for fifo commands > To: sr-users(a)lists.sip-router.org > Message-ID: > <CADKX-JDqsxBb3T6XOsiUUs=Xj+idNAXEECBx1HeuAu8dSEdbsA(a)mail.gmail.com > > > Content-Type: text/plain; charset="iso-8859-1" > > Hi everyone, > Is it possible to use the xmlrpc module in order to send fifo commands to > the kamailio. for example I would like to use it in order to trigger mtree > table reload. > > I have already enabled the xmlrpc module and it responds. however I didn't > succeeded in sending the appropriate syntax in lrder to make the mtree > reload work. > > I tried using mtree.mt_reload method or fifo.mt_reload . > > Does anyone have a clue? > > Yaron. >

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using XMLRPC module for fifo commands
by Yaron Nachum 16 Jan '12

16 Jan '12

Hi everyone, Is it possible to use the xmlrpc module in order to send fifo commands to the kamailio. for example I would like to use it in order to trigger mtree table reload. I have already enabled the xmlrpc module and it responds. however I didn't succeeded in sending the appropriate syntax in lrder to make the mtree reload work. I tried using mtree.mt_reload method or fifo.mt_reload . Does anyone have a clue? Yaron.

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drouting - do_routing with $avp does not work
by Uri Shacked 16 Jan '12

16 Jan '12

Hi, this is my cfg: if(do_routing("0")){ $avp(tdr)=$avp(dr_attrs); } else { $avp(tdr)="1"; } subst_user('/(.*)/$avp(Ssrvindx)/'); xlog("L_CRIT","$C(rg) group is $avp(tdr)$C(xx)\n"); if(!do_routing("$avp(tdr)")){ xlog("L_CRIT","$C(rg)No TDR is found for $avp(DID) with Index $avp(Ssrvindx)$C(xx)\n"); t_reply("404", "Not found"); exit; } in the log, i get the following: 1(25799) CRITICAL: <script>: group is 8 1(25799) ERROR: drouting [drouting.c:706]: failed to get group id when i change the do_routing("$avp(tdr)") to do_routing("8"), everything works..... it looks like with the avp (although it is 8) it does not work. any ideas?

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Preventing the use of received port as the source port for next hop
by Arif Tuhin 16 Jan '12

16 Jan '12

I've noticed this in both kamailio 3.1.5 and 3.2.x. I've configured to receive on udp 9090 port. This sip message will be forwarded to a asterisk box listening on 5060 port. Now what i'm trying to achieve is , When kamailio will receive the sip message on udp 9090 port it will forward the message to asterisk using source port 5060, not 9090. How can i configure this?Thanks in advance. With Best Regards Ariful Hossain Tuhin email: 1. etothepowerpi(a)gmail.com 2. etothepowerpi(a)hotmail.com 3.etothepowerpi(a)yahoo.com skype: freeburn1986

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when does ds_select_dst update list of addresses to choose from when using DB?
by Albert Petit 13 Jan '12

13 Jan '12

I'm using dispatcher module for load balancnig purposes I read active/inactive nodes from the database So I define on my kamailio.cfg: modparam("dispatcher", "db_url", "mysql://openser:openserrw@ <DB_IP>/openser") Then, on my route(DISPATCH) I call: * ds_select_dst("1", "4");* * t_relay();* * * My question is: Which *set of addresses is using **ds_select_dst *to choose destination. Will it do a query on the db each time updating active and inactive nodes on each ds_select_dst call? If not, when is the list of addresses to choose updated? (on kamaiilio restart, periodically...) I say this because I would like to update active and inactive nodes from a 3rd party application modifying the flags column but I need to know also how many time will it take for the change to be applied. BR Albert -- Albert

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new feature: per-socket number of workers
by Daniel-Constantin Mierla 13 Jan '12

13 Jan '12

Hello, the master branch has a new feature that allow setting number of worker processes to handle received traffic per listen socket. So far there were global parameters that were applied to all sockets (e.g., 'children' value set the number of workers for all udp sockets). So far each UDP and SCTP socket had its own pool of workers (e.g., children=4 and 2 udp sockets resulted in 8 processes), while for tcp and tls was a single pool of workers (e.g., having children (or tcp_children) set 8, resulted in 8 processes no matter how many tcp/tls sockets). The new features is based on using a new config parameter, named "socket_workers", before a "listen" parameter. The value of socket_workers will overwrite the value of *children parameter. For UDP and SCTP will result in creating a number of "socket_workers" processes. For TCP and TLS will add an extra set of "socket_workers" processes, that will handle traffic only on those specific sockets. The value of "socket_workers" is reset with the next listen socket added. If "socket_workers" is not set, the value of "*children" parameter is used in backward compatible fashion. Some typical scenarios where this feature may become handy: - set a lower number for loopback or internal/replication sockets, as the traffic there is low (e.g, maybe for keepalive monitoring on loopback, or it is only REGISTER requests replication done over the replication sockets) - set a dedicated group of tcp/tls workers for handling http/xmlrpc/xcap traffic - handling such traffic may be time consuming, in this way you avoid delays on routing SIP over tcp/tls - fine tune the number of over all forked processes by a SIP server instance, thus controlling better the resources used from the physical server (e.g., overall private memory used by sip server is a matter of how many forked processes are there) You can see details about the new parameter and examples on the wiki page: * http://www.kamailio.org/wiki/cookbooks/devel/core?&#socket_workers Cheers, Daniel -- Daniel-Constantin Mierla -- http://www.asipto.com http://linkedin.com/in/miconda -- http://twitter.com/miconda

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ip address error with exec module
by Uri Shacked 12 Jan '12

12 Jan '12

Hi, i am doing this command in a timer under kamailio: $var(log)='"'+'denied_calls-'+$stat(denied_calls)+',dos-'+$shv(dos)+'"'; exec_msg("nc -u -w0 10.2.0.54 514 <<< $var(log)"); each time the command is executed, i get the following error: 9(19302) : exec [../../parser/../ip_addr.h:688]: BUG: ip_addr2sbuf: unknown address family 0 9(19302) ERROR: exec [exec.c:86]: cmd nc -u -w0 10.2.0.54 514 <<< ",denied_calls-0,dos-green" failed. exit_status=-1, errno=32: Broken pipe any idea? the syslog server gets the message.... thanks, Uri

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