sr-users October 2015

sr-users@lists.kamailio.org

77 participants
126 discussions

Changing a user's password in the Kamailio routing logic
by Michael McVady 16 Oct '15

16 Oct '15

Hi all, I was wondering if there was a way to change a user's password from within the routing logic section of kamailio.cfg (i.e. like do what 'kamctl password' does, but in the routing logic)? Thank, Mike

1 0

Multiple crashes of Kamailio 4.2.1
by Igor Potjevlesch 16 Oct '15

16 Oct '15

Hello, 3 crashes occurred today (we never seen crashes on this server before) during a period of 20 minutes. I had a look to the coredumps. Here is a quick overview of the first entries of "bt full": core.27671 : #0 0x00007f5577048d65 in run_trans_callbacks_internal (cb_lst=0x7f5560abbd50, type=2, trans=0x7f5560abbce0, params=0x7fff3712acb0) at t_hooks.c:286 core.27656 : #0 0x00007f557700a048 in free_cell (dead_cell=0x7f5560abbce0) at h_table.c:175 core.27685 : #0 0x00007f5577048d65 in run_trans_callbacks_internal (cb_lst=0x7f5560abbd50, type=2, trans=0x7f5560abbce0, params=0x7fff3712acb0) at t_hooks.c:286 core.27689 : #0 0x00007f5577048d65 in run_trans_callbacks_internal (cb_lst=0x7f5560abbd50, type=2, trans=0x7f5560abbce0, params=0x7fff3712acb0) at t_hooks.c:286 core.27691 : #0 0x00007f5577048d65 in run_trans_callbacks_internal (cb_lst=0x7f5560abbd50, type=2, trans=0x7f5560abbce0, params=0x7fff3712acb0) at t_hooks.c:286 core.31977 : #0 0x00007f038e66fdee in free_cell (dead_cell=0x7f037811ebe0) at h_table.c:157 core.31994 : #0 0x00007f038e6ab65a in t_forward_nonack (t=0x7f037811ebe0, p_msg=0x7f038fdca438, proxy=0x0, proto=0) at t_fwd.c:1762 core.3700 : #0 0x000000000061697a in fm_insert_free (qm=0x7f19861fa000, frag=0x7f19864d53e8) at mem/f_malloc.c:245 core.3727 : #0 0x00000000006167a4 in fm_extract_free (qm=0x7f19861fa000, frag=0x7f19864f4cc8) at mem/f_malloc.c:208 I don't know how to proceed now. Can you help me to highlight the issue here? Thank you. Regards, Igor.

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Re: [SR-Users] Auth module Issue:UA getting challanged thrice when load is high
by Daniel-Constantin Mierla 16 Oct '15

16 Oct '15

Hello, are there any error messages in the syslog? Maybe setting debug level for auth modules to 3 and looking at logs will help to reveal what is happening. Be sure syslog is in async mode, otherwise it will slow down processing. Cheers, Daniel On 16/10/15 08:42, Surendra.P wrote: > > Hello Daniel, > > > > I have a concern regarding auth module, I am running > 2000 TPS for 1000000 subscribers, using SIPP. What I observed when > you run small load like 500 TPS, everything get passed, but for 2000 TPS > > With same subscriber.csv file some of the subscribers getting > challenged. May I this why auth module is behaving like this.. below > are the parameters which I configured in auth module > > > > modparam("auth", "nonce_expire", 3600), rest all parameters default > values. > > > > Regards > > Surendra > > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users(a)lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierla http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Book: SIP Routing With Kamailio - http://www.asipto.com

1 0

routing based on TLS auth
by Max 16 Oct '15

16 Oct '15

Hi. I've got bunch of sip gateways to use and bunch of asterisk instances connecting to my Kamailio over TLS (own CA used). I'd like to match source with destination based on TLS authentication: * all the calls from asterisk A (TLS cert A) allowed via provider A * all the calls from asterisk B (TLS cert B) allowed via provider B ... * all the incoming calls from provider A forwarded to asterisk A (TLS cert A) * all the incoming calls from provider B forwarded to asterisk B (TLS cert B) ... * calls not coming from provider X or via TLS dropped. Providers are regular VoIP gateways (login:password, connection via SIP). I'm pretty sure this is possible with Kamailio but I'd appreciate any examples and pointers to modules I should use to implement this. Or detailed explanation of why this is a bad idea. Also, I'm not sure where it's better to place user database - should it be separate on per-asterisk basis? Central in Kamailio? No user db needed at all? cheers, Max.

2 1

Auth module Issue:UA getting challanged thrice when load is high
by Surendra.P 16 Oct '15

16 Oct '15

Hello Daniel, I have a concern regarding auth module, I am running 2000 TPS for 1000000 subscribers, using SIPP. What I observed when you run small load like 500 TPS, everything get passed, but for 2000 TPS With same subscriber.csv file some of the subscribers getting challenged. May I this why auth module is behaving like this.. below are the parameters which I configured in auth module modparam("auth", "nonce_expire", 3600), rest all parameters default values. Regards Surendra

1 0

Strange TLS problem
by Pete Kelly 14 Oct '15

14 Oct '15

Hi I am trying to use the [client] directives in tls.cfg for the first time. For my configuration I need to connect to 2 servers, both via TLS and both using different certs. I have defined an entry in tls.cfg like [client:1.2.3.4:5061] [client:5.6.7.8:5071] and I also have an entry in dispatcher tables for each server using the URI format sip:1.2.3.4:5061;transport=tls With this configuration, I expect dispatcher to send OPTIONS to each server, and Kamailio to resolve the host in dispatcher to the correct client section of tls.cfg and negotiate a connection. However this is not happening. Dispatcher module is trying to send OPTIONS as expected, and it is using TLS as expected but it is not using the correct [client] section from tls.cfg. Instead it is always falling back to [client:default], and if that is not present it then tries to look for some internal Kamailio defaults. Has anyone come across this issue before? Debug logs don't yield anything useful, however my suspicion is that Kamailio may be trying to match "sip:1.2.3.4:5061;transport=tls" from dispatcher module to "1.2.3.4:5061" from tls.cfg. Any help or advice would be appreciated Regards Pete

2 2

setflag and hash table variables
by Asgaroth 14 Oct '15

14 Oct '15

I originally sent this to sr-dev in error, I am resending to sr-users instead, thanks Hi All, Quick question, is it possible to use variables in the setflag function, I am trying to set a flag that is stored in a hash table using the setflag function, but I keep getting syntax errors. I am using kamailio 4.3.3. Here's what I am trying to do: htable core_setid defines a dispatcher setid key and its value is associated with a flag as follows: id:key:key_type:value_type:value:expires 1:102:0:1:7:0 so, simple hash table type with an integer key of value 7 and no expiry In dispatcher I have the following modparams set, so that ds_is_from_list() will set them if found: modparam("dispatcher", "setid_pvname", "$var(ds_setid)") modparam("dispatcher", "attrs_pvname", "$var(ds_setid_attrs)") Then in my routing logic I have the following code block: if ( ds_is_from_list() ) { if ( $sht(core_setid=>$var(ds_setid)) != $null ) { setflag( $sht(core_setid=>$var(ds_setid)) ); return; } else { send_reply("403", "No flag set for source"); exit; } } When I test this using kamailio -c -f <filename> I get the following error: 0(20629) : <core> [cfg.y:3432]: yyerror_at(): parse error in config file /shared/kamailio/etc/routing_logic.cfg, line 175, column 21-52: syntax error 0(20629) : <core> [cfg.y:3432]: yyerror_at(): parse error in config file /shared/kamailio/etc/routing_logic.cfg, line 175, column 21-52: missing '(' or ')'? 0(20629) : <core> [cfg.y:3432]: yyerror_at(): parse error in config file /shared/kamailio/etc/routing_logic.cfg, line 175, column 21-52: bad command: missing ';'? 0(20629) : <core> [cfg.y:3435]: yyerror_at(): parse error in config file /shared/kamailio/etc/routing_logic.cfg, line 175, column 53: bad command ERROR: bad config file (4 errors) If I change the setflag line to setflag(7), then I dont get the error. I was wondering if its possible to have hashtable variables as parameters to the setflag function, or am I going about this in the wron way. Any thoughts would be appreciated. Thanks

2 3

debian jessie and dependencies
by nadie 14 Oct '15

14 Oct '15

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello. If you install mariadb instead mysql Oracle, and then, you want to install kamailio with kamailio-mysql-modules: No se satisfacen las dependencias de los siguientes paquetes: mariadb-client-core-10.0 : Entra en conflicto: mysql-client-5.5 pero se va a instalar 5.5.44-0+deb8u1. Rompe: virtual-mysql-client-core que es un paquete virtual. mysql-client-5.5 : Rompe: virtual-mysql-client que es un paquete virtual. Rompe: virtual-mysql-client-core que es un paquete virtual. mariadb-server-core-10.0 : Rompe: mysql-client-5.5 pero se va a instalar 5.5.44-0+deb8u1. mariadb-client-10.0 : Rompe: mysql-client pero se va a instalar 5.5.44-0+deb8u1. Rompe: mysql-client-5.5 pero se va a instalar 5.5.44-0+deb8u1. Rompe: virtual-mysql-client que es un paquete virtual. mariadb-server-10.0 : Rompe: mysql-client-5.5 pero se va a instalar 5.5.44-0+deb8u1. Las acciones siguientes resolverán estas dependencias Eliminar los paquetes siguientes: 1) mariadb-client-10.0 2) mariadb-client-core-10.0 3) mariadb-server 4) mariadb-server-10.0 5) mariadb-server-core-10.0 Thanks -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJWGzvRAAoJEG5DH1ilMeeeLl4P/iLDNNIhW73Sducag6IuJaM6 VWeKhCpvkEGxUUiAfL5Byktme058W6d1y7KDUyBzzMLZysNBxm4kJAX4fZjOQBpO 6e1np/qYXC/1A54hAKrjynPIMFpofCG3W6I2wCGp9nKHhq/ail++SW7aFqht6nus yF9h/0mJjv8wNkZuzf0BGuZdTJZUqVBbAOoWNNZHVfqQ20IjbAL2rgg/ahXLt8tv BoYVBnCQAAActmiA2ETF13R0ioJY5gLUorn2IW/sq/TQyXiABaskmxY68d/z2svc DmIB3JaCpOOMeccU4Ay2A6zmo+HuN5LcMuPu0b+sk3aHSWn6Wl4JWGozjdneiNpp +ksNTJYhJm6dCvhsj4RIw+ALf0/mDF14YV+n0z6OiaG5V1pEt7Z7nGyVBY3uDHR3 Xm9oYkj3CKYW5nOgpimHir9f+1qD457AWMRkHyIJrOXbth0lSodUg+KbAw1mUci5 D1E5bf47M7+CbmAi0t7uOSKh2J+oQq4pW3SzZYQbrnWQnIkwpmFy72Oqp7GBiSD7 rxxKUt0xBIVjnzGQzCgQdLfeYJt3sZ8V9cHvnEe7Tte2hLRLdnqskOhmMkGxNavJ ZKA7McTjWFyXJNJAJAowtBLHbarIxo5oREAma1nJ42xLv9KyIhXpVao472lVJZLz V9kMzZksd4yhvAHH2eyi =oZca -----END PGP SIGNATURE-----

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Kamailio vs RTPEngine Performance
by M S 13 Oct '15

13 Oct '15

Hi, I was asked some interesting questions yesterday by a rather techy client related to Kamailio and RTPEngine performance. Q1: For Kamailio we have say 8 child processes, which means there are 8 threads per listen address to process sip messages, i.e. for example 8 INVITE messages at any instance of time can be processed by Kamailio. If say, one INVITE takes 200ms to be processed and send out to destination, then we can estimate processing power of kamailio to be 40 INVITE requests per second per listen address, right? Q2: If so, then assuming each INVITE requires to engage RTPEngine. How can we ensure that RTPEngine would be capable to handle these 40 INVITE requests? The only relevant parameter I see in RTPEngine daemon script is "NUM_THREADS" (default value 5). What does this represent? Does this analogs to children as in Kamailio? Q3: How does RTPEngine manages SRTP <=> RTP translation (e.g. if one endpoint is WebRTC and other is traditional SIP)? My understanding is that RTPEngine has a kernel module (assuming kernel module is installed) which also manages this conversion besides forwarding the media packets. The Linux kernel already has encoders / decoders for nearly all encryption algorithms which are utilized by RTPEngine for doing the conversion in kernel space, right? if not then how it is done? Q4: Continuing to Q2, If these NUM_THREADS process actual media packets (RTP or SRTP) then are these synchronous or asynchronous? I think these are asynchronous, just want to confirm (otherwise RTPEngine won't process more then e.g. 5 calls at a time). So, assuming asynchronous how many packets can be queue to each thread? This would help estimating RTPEngine throughput using various codecs in calls. (e.g. assuming G.711 codec we have 50pps, if each thread queue size is 1000 then each thread can process 1000/50=20 concurrent calls and whole RTPEngine would process 20x5=100 concurrent calls). Thank you.

1 0

Capturing Kamailio retransmissions in routing script
by Olle E. Johansson 13 Oct '15

13 Oct '15

Hi! Is there a simple way to log outbound retransmissions by tm in the routing script? I would like to be able to see retransmissions. /O

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sr-users October 2015