sr-users October 2014

sr-users@lists.kamailio.org

101 participants
187 discussions

Selecting rtpproxy instance on 200 reply
by Grant Bagdasarian 27 Oct '14

27 Oct '14

Hello, This was originally posted for opensips, but I figured someone here might know the answer as well since kamailio and opensips are "alike". I have the following RTPproxy configuration: modparam("nathelper", "rtpproxy_sock", "1 == udp:127.0.0.1:12221") modparam("nathelper", "rtpproxy_sock", "2 == udp:127.0.0.1:12222") In the main route I decide which instance to select for each INVITE containing SDP: if($ru=~"1.1.1.10") { set_rtp_proxy_set("1"); xlog("L_INFO", "USE RTP PROXY 01 \r\n"); } else if($ru=~"2.2.2.10") { set_rtp_proxy_set("2"); xlog("L_INFO", "USE RTP PROXY 02 \r\n"); } else { t_reply("404", "Not Found"); exit; } rtpproxy_offer(); I’m getting the following error for a 200 OK: ERROR:nathelper:select_rtpp_node: script error -no valid set selected ERROR:nathelper:force_rtp_proxy_body: no available proxies Do I need to do the same decision for 200 OK messages, and call rtpproxy_answer()? Regards, Grant

1 0

3.3.2 dumps core on unresolvable names
by Måns Nilsson 27 Oct '14

27 Oct '14

Hi, I've now twice experienced a core dump in my Kamailio install, where it tries to process an INVITE that is made to a domain name that does not exist. Log: Oct 27 14:49:58 landsort /usr/local/kamailio/sbin/kamailio[40058]: ERROR: <core> [resolve.c:1540]: ERROR: sip_hostport2su: could not resolve hostname: "ulndsort.sr.se" Oct 27 14:49:58 landsort /usr/local/kamailio/sbin/kamailio[40058]: ERROR: tm [ut.h:327]: failed to resolve "ulndsort.sr.se" Oct 27 14:49:58 landsort /usr/local/kamailio/sbin/kamailio[40058]: ERROR: tm [t_fwd.c:1530]: ERROR: t_forward_nonack: failure to add branches Oct 27 14:49:58 landsort /usr/local/kamailio/sbin/kamailio[40058]: ERROR: sl [sl_funcs.c:371]: ERROR: sl_reply_error used: Unresolvable destination (478/SL) Oct 27 14:49:58 landsort /usr/local/kamailio/sbin/kamailio[40058]: WARNING: tm [t_lookup.c:1543]: WARNING: script writer didn't release transaction Oct 27 14:50:02 landsort /usr/local/kamailio/sbin/kamailio[40114]: : <core> [pass_fd.c:293]: ERROR: receive_fd: EOF on 14 Oct 27 14:50:02 landsort /usr/local/kamailio/sbin/kamailio[40051]: ALERT: <core> [main.c:785]: child process 40058 exited by a signal 11 Oct 27 14:50:02 landsort /usr/local/kamailio/sbin/kamailio[40051]: ALERT: <core> [main.c:788]: core was generated Backtrack from coredump: (gdb) bt #0 t_unref (p_msg=0x8010af140) at atomic_x86.h:231 #1 0x0000000000509581 in exec_post_script_cb (msg=0x8010af140, type=Variable "type" is not available. ) at script_cb.c:195 #2 0x00000000004297fa in receive_msg ( buf=0x891ae0 "INVITE sip:vaxo-10@ulndsort.sr.se SIP/2.0\r\nVia: SIP/2.0/UDP 134.25.127.234:5060;rport;branch=z9hG4bKPjNOjNgRxGeWilvm07L79hdOmgzVAvYB78\r\nMax-Forwards: 69\r\nFrom: \"Teknisk Utveckling MTU 24\" <sip:mtu-24@"..., len=Variable "len" is not available. ) at receive.c:225 #3 0x00000000004b5579 in udp_rcv_loop () at udp_server.c:544 #4 0x0000000000455654 in main_loop () at main.c:1633 #5 0x0000000000459c33 in main (argc=Variable "argc" is not available. ) at main.c:2546 (gdb) Does this relate to any known issue? Should I just upgrade? FreeBSD 9, by the way. -- Måns Nilsson primary/secondary/besserwisser/machina MN-1334-RIPE +46 705 989668 You should all JUMP UP AND DOWN for TWO HOURS while I decide on a NEW CAREER!!

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Kamailio for ARM with rtpproxy-ng
by Marino Mileti 27 Oct '14

27 Oct '14

Hi guys, I've cross compiled Kamailio (4.1.6) for ARM (Wandboard-IMX6). Everything seems works fine, but when I try to enable rtpproxy-ng module and Alignment trap error occurred just during rtpp_test (exchanging ping-ponge message betweek rtpproxy and rtpproxy-ng module of Kamailio) rtpengine[2258]: Got valid command from 127.0.0.1:50470: ping - { "command": "ping" } rtpengine[2258]: Returning to SIP proxy: d6:result4:ponge user.err kernel: [66832.254887] Alignment trap: not handling instruction edc30b08 at [<40b3a130>] user.alert kernel: [66832.262030] Unhandled fault: alignment exception (0x801) at 0x4033a782 local0.err kamailio: ERROR: <core> [daemonize.c:307]: daemonize(): Main process exited before writing to pipe In x86 architecture same packages works correctly without any problem. Does anybody encountered this kind of error? Marino ----- Marino Mileti -- View this message in context: http://sip-router.1086192.n5.nabble.com/Kamailio-for-ARM-with-rtpproxy-ng-t… Sent from the Users mailing list archive at Nabble.com.

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Kamailio 4.2.0 install issue
by Kamal Palei 27 Oct '14

27 Oct '14

Dear All I compiled Kamailio4.2.0 with below command make group_include="standard standard-dep stable experimental" all to compile all modules. When I install, I get below error touch /usr/local/lib64/kamailio/modules/counters.so install -m 755 counters.so /usr/local/lib64/kamailio/modules LD (gcc) [U kamcmd] kamcmd */usr/bin/ld: error: cannot find -lncurses* collect2: ld returned 1 exit status make[2]: *** [kamcmd] Error 1 ERROR: make --no-print-directory -C ../../utils/sercmd install-if-newer failed make[1]: *** [install-utils] Error 1 make: *** [install-modules] Error 1 am I missing any package here.., please let me know. Thanks Kamal

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Error-While-Running-icscf.cfg
by Anil Kumar 27 Oct '14

27 Oct '14

Hi All, Please can anyone help me to solve this error, occurred while running icscf module . 0(4053) : <core> [cfg.y:3406]: yyerror_at(): parse error in config file /etc/kamailio-icscf/icscf.cfg, from line 52, column 1 to line 53, column 0: syntax error ERROR: bad config file (1 errors) Thanks Anil

2 1

How to setup Kamailio as P-CSCF/S-CSCF/I-CSCF
by Kamal Palei 27 Oct '14

27 Oct '14

Hi All Last few days we have tried to setup Kamailio for IMS server setup. We have not been successful. Now we are planning to use Kamailio 4.2.0 code base (Latest) to setup Kamailio IMS setup. I am looking for a link/document, that gives proper step by step instructions how to setup Kamailio as IMS servers (P-CSCF, I-CSCF and S-CSCF). Can somebody kindly provide the official link or any other working link, that I can follow to setup P-CSCF, I-CSCF ,S-CSCF and HSS. Thanks kamal

2 5

Setting up web sockets and ephemeral auth
by Nolan Darilek 27 Oct '14

27 Oct '14

Having a hard time piecing together lots of pieces out of context. Here's what I want: 1. User logs in to my web app via its own authentication mechanisms. 2. Via an authenticated REST endpoint, my web app connects to the ephemeral auth service and returns a temporary username/password to the client. 3. The client connects to a web socket SIP interface, authenticating with the username/password it was given. 4. I'd also like to support authentication via standard SIP client using the user's default username/password, but that's a bit down the road still. Here is my kamailio-local.cfg. I'm using the web socket example copied from the docs, with a little cleanup and a few optional checks removed for now. loadmodule "db_mongodb.so" #!define DBURL "mongodb://mongo/perceptron" #!define WITH_AUTH #!define WITH_NAT loadmodule "xhttp.so" #modparam("xhttp", "url_match", "^/sip/") tcp_accept_no_cl=yes loadmodule "msrp.so" # Only required if using MSRP over WebSockets loadmodule "websocket.so" loadmodule "auth_ephemeral.so" modparam("auth_ephemeral", "secret", "Kamailio rulez!!11") event_route[xhttp:request] { set_reply_close(); set_reply_no_connect(); # xlog("L_DBG", "HTTP Request Received\n"); if ($hdr(Upgrade) =~ "websocket" && $hdr(Connection) =~ "Upgrade" && $rm=~ "GET" ) { # Validate Host - make sure the client is using the correct # alias for WebSockets if ($hdr(Host) == $null || !is_myself("sip:" + $hdr(Host))) { # xlog("L_WARN", "Bad host $hdr(Host)\n"); xhttp_reply("403", "Forbidden", "", ""); exit; } if (ws_handle_handshake()) { exit; } } xhttp_reply("404", "Not found", "", ""); } When I attempt to validate this, I get: 0(1) ERROR: <core> [pvapi.c:790]: pv_parse_spec2(): error searching pvar "hdr" 0(1) ERROR: <core> [pvapi.c:994]: pv_parse_spec2(): wrong char [U/85] in [$hdr( Upgrade)] at [5 (5)] 0(1) : <core> [cfg.y:3436]: yyerror_at(): parse error in config file /usr/local /etc/kamailio/kamailio-local.cfg, line 28, column 7-19: Can't get from cache: $h dr(Upgrade) ERROR: bad config file (1 errors) I don't know what that means. I've copied the config directly from the website. I tried quoting "Upgrade" and such in the $hdr lines, but that gives me: 0(1) ERROR: <core> [pvapi.c:790]: pv_parse_spec2(): error searching pvar "hdr" 0(1) ERROR: <core> [pvapi.c:994]: pv_parse_spec2(): wrong char ["/34] in [$hdr( "Upgrade")] at [5 (5)] 0(1) : <core> [cfg.y:3436]: yyerror_at(): parse error in config file /usr/local /etc/kamailio/kamailio-local.cfg, line 28, column 7-21: Can't get from cache: $h dr("Upgrade") ERROR: bad config file (1 errors) What am I missing here? I also had to comment out the xlog lines because those gave me errors. Do I need another module loaded to use xlog? Finally, does anyone have a working, complete example of SIP over web sockets with ephemeral auth integrated? I'm not sure if I should be checking the ephemeral auth credentials in the web sockets code, the SIP routes or somewhere else. I'm also not sure how I should set up authentication such that users can log in with both their standard credentials or those retrieved via the ephemeral auth module. Thanks.

2 1

Integrating Kamailio with existing IMS
by Muhammad Shahzad 27 Oct '14

27 Oct '14

Hi, I am trying add WebRTC support to existing IMS using kamailio. The idea is to let kamailio handle all webrtc calls alone with diameter backend to IMS for AAA. So, i thought of using auth_diameter and aac module for authentication and accounting. However auth_diameter docs say that the module is obsolete and will work no more. Also i am not sure about how to use diameter support in aac module. So, is there any any tutorial or how-to for this? I am aware of ims_* modules but i think they are meant to be used in case we want kamailio to act as IMS core (P-CSCF, S-CSCF etc.). Thank you.

1 0

best way to cope with peaks in traffic
by davy van de moere 27 Oct '14

27 Oct '14

Gents, assuming we don't use async methods (I know, it's against fashion), eventually you'll end up in having some bottlenecks in your config... Now thanks to a lot of children you can easily work around this, a maximum of 32 children gives you already quite something, and if you use the dispatcher, you can ramp that up to quite some capacity. ;) Now, there are moments where still limits are passed, so what would be the best way to keep your system healthy? I was thinking in the direction of using a hashtable value or $var to keep track of the children in use and e.g. if 31 children are used, refuse to process the 32th request (assuming 32 children are setup). Would this be a valid strategy? Or am I overthinking? Grtz, Davy

2 3

lcr module ping
by Debojit Kakoti 27 Oct '14

27 Oct '14

Hi, My current setup is I have one kamailio server and one asterisk server.In the asterisk server I have two trunk where there are two different PRI provider is used for outbound call. I am using uac_replace_from function to route call to different trunk of the same server. However I want to use lcr module and I can check if particular gateway is up and down using lcr module and route the call. But problem is In my current scenario the gateway is up but one PRI is down for one provider and other one is up.So how to check if one sip trunk is working and other one is not working? Can you suggest me a solution? -- Debojit Kakoti Mobile : +91 9650654870 Email : debojkakoti88(a)gmail.com Skype : deboj1988

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sr-users October 2014