sr-users February 2009

sr-users@lists.kamailio.org

76 participants
98 discussions

[Serusers] Opensips--Ser
by Parikhita Behera 26 Feb '09

26 Feb '09

Dear Sir I am new to SER . So I want to know , is Opensips is Open source?. Does it need license?.. What operating system needed to install the SER. Does SER support totally telephony, pc-pc , pc-phone, calling card , call back , IPPBX etc.. How many systems needed to install to work the complete solution. If possible , you can give me the installation and configuration ducumentation so that I can try to do the complete solution. Waiting for your reply. Thanks and Regards Parikhita Add more friends to your messenger and enjoy! Go to http://messenger.yahoo.com/invite/

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[Serusers] How to set the query into database and get answers with exec_msg?
by 邱磊 26 Feb '09

26 Feb '09

Hi ,I am a student studying in VoIP and implementing my theory in SER. I try to access mysql database to get some information, but have a problem aboout paramaters of exe_msg. My goal is :count the number of contact addresses that certain user registered, and take this is my solution: exec_msg(' Count="select count(contact) from location where username=\"$SIP_HF_CONTACT\" "' CountResult=`mysql -user -pheslo -e "$Count" ser`; ') What is the result of "CountResult" ? I suppose originally that it will be the the number of the query, but it seems not......... and i try the exec_msg('rm -r test'); but it failed; Dose the function wored? and how to use it,Hhw can I get my answer what I want to get ? Hoping someone can give me some advises ^^. Thannks in advance. 2009-02-26 邱磊

1 0

[Kamailio-Users] Handling CANCEL and 487
by Juan Perez 25 Feb '09

25 Feb '09

Hello I am having a prob handling the CANCEL in this scenario Kamailio 1.4 doing basic load balancing with LCR module. Calling party makes a call, sends it to Kamailio, Kamailio looks up the destination gw and sends the call to the dest IP. I am using statefull mode and loose routing. The calling party makes the call and while it is ringing it hangs up. Kamailio receives the CANCEL and forward it to the dest IP, it receives the 487 from dest IP and pass it back to the calling party. This is when it gets weird. The calling party sends the ACK to the 487 and it looks like the proxy [kamailio] ignores it and keep sending the 487 to the calling party. Calling party IP: 192.168.1.200 kamailio[proxy]: 192.168.1.50 dest IP: 192.168.11 PLease see below a tethereal output and my config file. I would appreciate any help to help me fix this prob. [root@proxy1 ~]# tethereal -i eth1 -S -w /root/call-with-cancel3.pcap udp port 5060 Running as user "root" and group "root". This could be dangerous. Capturing on eth1 0.000000 192.168.1.200 -> 192.168.1.50 SIP/SDP Request: INVITE sip:664050495179280@192.168.1.50, with session description 0.000702 192.168.1.50 -> 192.168.1.200 SIP Status: 100 Giving a try 0.000774 192.168.1.50 -> 192.168.1.11 SIP/SDP Request: INVITE sip:664050495179280@192.168.1.11:5060;transport=udp, with session description 0.044219 192.168.1.11 -> 192.168.1.50 SIP Status: 100 Trying 0.731527 192.168.1.11 -> 192.168.1.50 SIP/SDP Status: 183 Session Progress, with session description 0.731585 192.168.1.50 -> 192.168.1.200 SIP/SDP Status: 183 Session Progress, with session description 1.869161 192.168.1.200 -> 192.168.1.50 SIP Request: CANCEL sip:664050495179280@192.168.1.50 1.869626 192.168.1.50 -> 192.168.1.200 SIP Status: 200 canceling 1.869738 192.168.1.50 -> 192.168.1.11 SIP Request: CANCEL sip:664050495179280@192.168.1.11:5060;transport=udp 1.869942 192.168.1.11 -> 192.168.1.50 SIP Status: 487 Request Terminated 1.869946 192.168.1.11 -> 192.168.1.50 SIP Status: 200 OK 1.870243 192.168.1.50 -> 192.168.1.11 SIP Request: ACK sip:664050495179280@192.168.1.11:5060;transport=udp 1.870273 192.168.1.50 -> 192.168.1.200 SIP Status: 487 Request Terminated 1.871112 192.168.1.200 -> 192.168.1.50 SIP Request: ACK sip:664050495179280@192.168.1.50 2.317041 192.168.1.50 -> 192.168.1.200 SIP Status: 487 Request Terminated 3.317025 192.168.1.50 -> 192.168.1.200 SIP Status: 487 Request Terminated 5.317028 192.168.1.50 -> 192.168.1.200 SIP Status: 487 Request Terminated 9.317036 192.168.1.50 -> 192.168.1.200 SIP Status: 487 Request Terminated 13.317043 192.168.1.50 -> 192.168.1.200 SIP Status: 487 Request Terminated 17.317049 192.168.1.50 -> 192.168.1.200 SIP Status: 487 Request Terminated 21.317057 192.168.1.50 -> 192.168.1.200 SIP Status: 487 Request Terminated 25.317064 192.168.1.50 -> 192.168.1.200 SIP Status: 487 Request Terminated 29.317071 192.168.1.50 -> 192.168.1.200 SIP Status: 487 Request Terminated 23 packets captured This is my routing logic: ####### Routing Logic ######## # main routing logic route{ xlog("L_INFO", "mylog: starting_main_logic.\n"); if (!mf_process_maxfwd_header("10")) { sl_send_reply("483","Too Many Hops"); xlog("L_INFO","mylog: Too Many Hops.\n"); exit; }; if (msg:len >= 2048 ) { sl_send_reply("513", "Message too big"); xlog("L_INFO","mylog: Message too big.\n"); exit; }; if (!method=="REGISTER") { record_route(); xlog("L_INFO","mylog: Recording Route. Method: [$rm].\n"); } if (loose_route()) { # mark routing logic in request append_hf("P-hint: rr-enforced\r\n"); xlog("L_INFO","mylog: Loose Route section. Method: [$rm].\n"); route(1); }; if (method=="INVITE") { if (!load_gws()) { sl_send_reply("503", "Unable to load gateways"); exit; } if(!next_gw()){ sl_send_reply("503", "Unable to find a gateway"); exit; } route(1); } #CANCEL processing if (is_method("CANCEL")) { if (t_check_trans()) t_relay(); exit; } } route[1] { xlog("L_INFO","mylog: Route 1 section. Method [$rm]."); if (!t_relay()) { xlog("L_INFO","mylog: Route 1 section. T_Relay failed. Method [$rm]."); sl_reply_error(); }; exit; }

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Re: [Kamailio-Users] Need to handle an upstream carrier error - Duplicate INVITE Messages
by Geoffrey Mina 25 Feb '09

25 Feb '09

Hello, I have a carrier who provides PSTN gateway services. They have multiple redundant sip gateway devices in their network. The problem occurs when one of their devices starts to have issues. I will receive an INVITE request from both gateways with the same call-id. The problem is that my Kamailio system doesn't detect that I already set a call up for the INVITE once, and forwards the request to another server in the dispatcher list. What I end up with is a call on two asterisk servers, but only one has the actual RTP stream. The BYE request gets routed to the wrong server, and everything just gets screwy. If anyone could provide any hint on how I might be able to deal with this scenario, I would really appreciate it. I have attached my current config file, and the following is a link to a google spreadsheet which shows the SIP trace. http://spreadsheets.google.com/ccc?key=pU5i2J6Ck3b519-_M6Et3cw I have masked my IP addresses for my own sanity. XX.XX.XX.179 - Kamailio SIP Gateway XX.XX.XX.189 - Asterisk1 XX.XX.XX.186 - Asterisk2 Thanks! Geoff

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[Kamailio-Users] openser not distributing to all DNS SRV entries
by Brian 25 Feb '09

25 Feb '09

Hi, I have a SRV setup with three equal priority entries and equal weights. I expected openser (version 1.3.3) to distribute the INVITE requests equally to all 3 hosts, but it seems that all requests are forwarded to only one host. The SRV entries look like this: _sip._udp.mydomain.com. 8805 IN SRV 100 33 5060 proxy1.mydomain.com. _sip._udp.mydomain.com. 8805 IN SRV 100 34 5060 proxy1.mydomain.com. _sip._udp.mydomain.com. 8805 IN SRV 100 33 5060 proxy1.mydomain.com. And my routing for INVITE request looks like this: rewritehost("mydomain.com"); rewriteport(""); if (!t_relay()) { sl_reply_error(); }; exit; Am I wrong in expecting this to distribute equally to the three proxy hosts? I thought this would just "work". Thanks, Brian.

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Re: [Kamailio-Users] event in kamailio
by Marion.DELEY＠fr.thalesgroup.com 25 Feb '09

25 Feb '09

Hi, Finally, I've used the send() function in kamailio.cfg with the @ of my UDP server to know when invite and register requests arrive. Thanks for your help. marion -----Message d'origine----- De : Klaus Darilion [mailto:klaus.mailinglists@pernau.at] Envoyé : mardi 24 février 2009 21:32 À : Marion.DELEY(a)fr.thalesgroup.com Cc : users(a)lists.kamailio.org Objet : Re: [Kamailio-Users] event in kamailio Marion.DELEY(a)fr.thalesgroup.com wrote: > Hi everybody, > > I'm novice in using Kamailio and I need to know if it's possible to create > event from kamailio.cfg to another program. > Actually, I use MI command but I would find a way to force kamailio to send > me messages and not just responses. If the other programm supports SIP or HTTP you can send SIP requests from kamailio.cfg and generate HTTP requests. regards klaus

2 1

[Kamailio-Users] event in kamailio
by Marion.DELEY＠fr.thalesgroup.com 24 Feb '09

24 Feb '09

Hi everybody, I'm novice in using Kamailio and I need to know if it's possible to create event from kamailio.cfg to another program. Actually, I use MI command but I would find a way to force kamailio to send me messages and not just responses. Some help? thanks marion

3 2

[Kamailio-Users] Error compiling CARRIERROUTE module
by Asim Riaz 24 Feb '09

24 Feb '09

Hello, I am trying to compile CARRIERROUTE module, I am getting errors below; Kamailio 1.4 make prefix=/usr modules=modules/carrierroute modules make[1]: Entering directory `/usr/local/src/kamailio/sip-server/modules/carrierroute' Compiling carrierroute.c gcc -fPIC -DPIC -g -O9 -funroll-loops -Wcast-align -Wall -minline-all-stringops -falign-loops -ftree-vectorize -mtune=prescott -Wold-style-definition -Wmissing-field-initializers -Wredundant-decls -DMOD_NAME='"carrierroute"' -DNAME='"kamailio"' -DVERSION='"1.4.3-notls"' -DARCH='"i386"' -DOS='"linux"' -DCOMPILER='"gcc 4.3.2"' -D__CPU_i386 -D__OS_linux -D__SMP_yes -DCFG_DIR='"/usr/etc/kamailio/"' -DPKG_MALLOC -DSHM_MEM -DSHM_MMAP -DUSE_IPV6 -DUSE_MCAST -DUSE_TCP -DDISABLE_NAGLE -DHAVE_RESOLV_RES -DSTATISTICS -DCHANGEABLE_DEBUG_LEVEL -DF_MALLOC -DSVNREVISION='"2:5452M"' -DFAST_LOCK -DADAPTIVE_WAIT -DADAPTIVE_WAIT_LOOPS=1024 -DHAVE_GETHOSTBYNAME2 -DHAVE_UNION_SEMUN -DHAVE_SCHED_YIELD -DHAVE_MSG_NOSIGNAL -DHAVE_MSGHDR_MSG_CONTROL -DHAVE_ALLOCA_H -DHAVE_TIMEGM -DHAVE_EPOLL -DHAVE_SIGIO_RT -DHAVE_SELECT -I/usr/local/include -c carrierroute.c -o carrierroute.o In file included from carrierroute.c:30: ../../sr_module.h:48:19: error: dlfcn.h: No such file or directory In file included from /usr/lib/gcc/i486-linux-gnu/4.3.2/include-fixed/syslimits.h:7, from /usr/lib/gcc/i486-linux-gnu/4.3.2/include-fixed/limits.h:11, from ../../parser/../flags.h:32, from ../../parser/msg_parser.h:46, from ../../sr_module.h:50, from carrierroute.c:30: /usr/lib/gcc/i486-linux-gnu/4.3.2/include-fixed/limits.h:122:61: error: limits.h: No such file or directory In file included from ../../parser/msg_parser.h:47, from ../../sr_module.h:50, from carrierroute.c:30: ../../parser/../ip_addr.h:38:20: error: string.h: No such file or directory ../../parser/../ip_addr.h:39:23: error: sys/types.h: No such file or directory ../../parser/../ip_addr.h:40:24: error: sys/socket.h: No such file or directory ../../parser/../ip_addr.h:41:24: error: netinet/in.h: No such file or directory ../../parser/../ip_addr.h:42:19: error: netdb.h: No such file or directory In file included from ../../parser/../ip_addr.h:46, from ../../parser/msg_parser.h:47, from ../../sr_module.h:50, from carrierroute.c:30: ../../parser/../dprint.h:54:20: error: syslog.h: No such file or directory ../../parser/../dprint.h:55:18: error: time.h: No such file or directory In file included from ../../parser/../ip_addr.h:46, from ../../parser/msg_parser.h:47, from ../../sr_module.h:50, from carrierroute.c:30: any idea ? Thanks in advance. Asim

1 1

Re: [Kamailio-Users] help me in ldap kamailio
by Henning Westerholt 24 Feb '09

24 Feb '09

On Tuesday 24 February 2009, Husna Bte Mad Baguri wrote: > There is no error msg.just there is no file name ldap.cfg in > usr/local/etc/kamailio.lets me explain how i install. > > 1.i using ubuntu 8.10 > 2.i use kamailio 1.4.3 with tls > 3.i install open ldap --> libldap2-dev,ldap-utils,slapd > 4.then i exclude module =ldap Hi Husna, did i understand you correctly, you excluded the ldap module from compilation? This way it will not be compiled. > 5.then i install.no error but no file ldap.cfg > 6.can you explain what next. It seems that the ldap.cfg file is not installed per default. You find this file in modules/ldap/etc/ in the kamailio 1.4.3 directory. Just copy it to the location you want, and probably adapt it to your setup. Cheers, Henning

1 0

[Kamailio-Users] How can I use domain module?
by Ramu 24 Feb '09

24 Feb '09

Hi, I would like to use domain module to support multiple domain users. How can move forward on this? Thanks, Ramu

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sr-users February 2009