sr-users June 2007

sr-users@lists.kamailio.org

191 participants
315 discussions

[OpenSER-Users] using remove_hf and append_hf in both route and failure route
by Mik Cheez 22 Jun '07

22 Jun '07

I use remove_hf and append_hf to modify the RPID in the Request_Route, which works fine, but then if I try it in Failure_Route I end up with two RPID headers. Is it possible the revert_uri() is doing something to it? If not, can you just not do a remove/append like this? I checked to make sure the remove_hf is returning true. I triple checked to make sure my variable contains only one header. Here are some snippets from my config: route { ... ... if (method=="INVITE") { perl_exec("command", "0"); /*sets rpid and ouri vars*/ if (is_avp_set("$avp(rpid)")){ if(is_present_hf("Remote-Party-ID")){ remove_hf("Remote-Party-ID"); } append_hf("$avp(rpid)"); } avp_pushto("$ru","$avp(ouri)"); ... ... failure_route[1]{ if(method == "INVITE" ....blah blah blah revert_uri(); perl_exec("command", "1"); /*sets rpid and ouri vars*/ if (is_avp_set("$avp(rpid)")){ if(is_present_hf("Remote-Party-ID")){ remove_hf("Remote-Party-ID"); } append_hf("$avp(rpid)"); } avp_pushto("$ru","$avp(ouri)"); ... ... Best regards, Mik Cheez

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[OpenSER-Users] RE: [Users] out of memory - please help
by Papadopoulos Georgios 22 Jun '07

22 Jun '07

Hi Bogdan, Bad news, I am afraid. I got another "out of memory". I did another memory dump on process 10714 this time. Actually there is one dump that I did earlier to see if there were any segments allocated by subst_str. And I did a second dump after the "out of memory" happened. The log file is: http://www.real.gr/files/openser.20070622.log.gz thank you George > -----Original Message----- > From: Bogdan-Andrei Iancu [mailto:bogdan@voice-system.ro] > Sent: Friday, June 22, 2007 1:44 PM > To: Papadopoulos Georgios > Cc: users(a)openser.org > Subject: Re: [Users] out of memory - please help > > Hi George, > > Papadopoulos Georgios wrote: > > Hi Bogdan, > > > > The server has been running for about 18 hours without any "out of > > memory" messages. Usually these appeared after a few hours. > I think it > > is fixed, but I will keep you posted if it reappears. Thanks a lot! > > > That is super! I will commit the patch on SVN. > > I guess the same fix needs to go in subst_uri() and maybe > also add a > > check if(result->s!=0) ? > > > well, in subst_uri() there is no need because the result->s > chunk is transferred to msg->new_uri (and freed later from > there); in subst_user(), the result->s chunk was copied by > the SET_USER_T action, so we need to free it also. > > Why did this only appear on the first receiver child? I > would expect > > that all children receive an equal amount of traffic so they should > > all run out of memory more or less at the same time. Except > if when a > > message is received, Openser finds the first available > child and does > > this by trying child 1,2,3... Is this the case? > > > this scheduling is done by kernel and there is no guarantee > of a uniform distribution in case of low traffic. > > Last (related?) question: There is a thread that the first receiver > > child starts, what is its purpose? > > > you mean a process (there are no threads in openser). it > might be a listener of mi_fifo. > > Regards, > Bogdan Disclaimer The information in this e-mail and any attachments is confidential. It is intended solely for the attention and use of the named addressee(s). If you are not the intended recipient, or person responsible for delivering this information to the intended recipient, please notify the sender immediately. Unless you are the intended recipient or his/her representative you are not authorized to, and must not, read, copy, distribute, use or retain this message or any part of it. E-mail transmission cannot be guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses.

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[OpenSER-Users] DB_Extra and AVP Problem
by Alexandre dos Reis Ferreira 22 Jun '07

22 Jun '07

Hello All, I have a problem with db extra and AVP. Some times don’t log the values of AVP in the database. Script. Openser Version 1.2.1. ... modparam("acc", "db_extra", "from_uri=$fu;i_uri=$ou;o_uri=$ru;cod_op=$avp(s:cod_op);ip_do_originador=$si;flag_followme=$avp(s:flag_follow_me)") ... route[2] { ... $avp(s:cod_op) = $(rU{s.select,0,#}); xlog("L_ALERT", "Test_01 RURI=$rU AVP=$avp(s:cod_op) To=$tu IP=$si\n"); ... } Example using the scene of a call. For RURI = sip:06#022xxxxxxxx@domain.com I have the following result in logs: => Log file Jun 21 19:20:33 ser01-brt openser-1.2.1[14952]: Test_01 RURI=06#022xxxxxxxx AVP=06 To=sip:022xxxxxxxx@domain IP=x.x.x.x => Insert in database ( The values of cod_op and flag_follow_me is null) T 10.5.0.19:33875 -> 10.5.0.22:3306 [AP] insert into acc (method,from_tag,to_tag,callid,sip_code,sip_reason,time,from_uri,i_uri,o_uri,cod_op,ip_do_originador,flag_followme ) values ('INVITE','a7ba357706b2e329','as10700de1','1cefcf0885d9adbf(a)192.168.1.19','200','OK','2007-06-21 19:20:33','sip:6101@domain,'sip:022xxxxxxxx@domain','sip:06#022xxxxxxxx@x.x.x.x:5060;transport=udp',' ','x.x.x.x',' ') The problem is intermittent and occurs in 15% of the calls. Does anybody know how can i resolve this question? Best regards, Areis. No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.472 / Virus Database: 269.9.4/860 - Release Date: 21/6/2007 17:53

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[Serusers] sip and rtp forwarding problem
by Martin Drasar 22 Jun '07

22 Jun '07

Hello everyone, I am a complete beginner with ser and I would like to ask you for a help. I have such scenario. There are MRCP servers (ASR and TTS) accessible only through PPTP vpn. Because I couldn't find PPTP client for Solaris, there is only one possible solution for me - to have linux box connect to vpn and act as a proxy and forward SIP and rtp packets between MRCP servers and Solaris. +-------------+ | PPTP VPN | | +-------+ | | | MRCP | | | +-------+ | | || | | || | | +---------+ | +-----------+ | |Linux box|=====|Solaris box| | +---------+ | +-----------+ +-------------+ As there is no way to make MRCP servers register with proxy, I was thinking about using call forwarding... When the MRCP servers are not registered with proxy (everytime) proxy should then forward the sip messages and rtp stream to their IP address (in fact I will be making call to unregistered UA, that proxy doesn't know but I do). Problem is that does not seem like a clean solution to me. Can you please give me some pointers how to solve this issue? Thanks in advance -- Martin Drasar, Developer / Analyst OptimSys, s.r.o. drasar(a)optimsys.cz Tel: +420 541 143 065 Fax: +420 541 143 066 http://www.optimsys.cz

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[Serusers] tm matching forked replies with received parameter in branch
by samuel 22 Jun '07

22 Jun '07

Hi all, Just a question about transaction matching in SER 0.9.7: In a forked request, SER receives a reply with a ;received=IP parameter after the branch parameter in the Via header and I don't know if this can affect parallel forking because it does not CANCEL the other branches.... Thanks, Samuel.

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Re: [Serusers] Quick resend of INVITEs
by Stephen Helfen 22 Jun '07

22 Jun '07

Nope...not in this case. Here, the originating UA sends one INVITE. My SER is sending the multiple INVITEs before it even receives a 100 Trying from the far end. It does not happen on every call...there seems to be no pattern as to when it does happen.Thanks.SteveDate: Fri, 22 Jun 2007 09:35:36 +0200From: greger(a)teigre.comTo: steve_helfen(a)hotmail.comCC: serusers(a)iptel.orgSubject: Re: [Serusers] Quick resend of INVITEs The originating UA may be where to look. g-) Stephen Helfen wrote: Sometimes my ser proxy resends an INVITE 67 milliseconds after the original INVITE without receiving any response from the recipient. Essentially, what would normally be a 1 second timer for a resend is vastly shortened with no real explanation. If there is a Trixbox at the other end, the conversation results in a dropped call as the Trixbox continues to send repeated 200 Oks, but does not acknowledge the ACKs to those messages. The Asterix supposedly has a fix for this issue that is not included in the Trixbox. What I am trying to determine, though, is WHY the double invites are sent in the first place. Thanks, Steve Live Earth is coming. Learn more about the hottest summer event - only on MSN. Check it out! _______________________________________________ Serusers mailing list Serusers(a)lists.iptel.org http://lists.iptel.org/mailman/listinfo/serusers _________________________________________________________________ Make every IM count. Download Windows Live Messenger and join the i’m Initiative now. It’s free. http://im.live.com/messenger/im/home/?source=TAGWL_June07

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[Users] presence
by KUMAR 22 Jun '07

22 Jun '07

Hi all, I am using openser-1.2.1+RTPProxy. I am using XLite as UA. I want to be able to store the buddy list of the users at the server. For this, I am using the presence module. But I cannot get it working. I have created the presence related tables in mysql. And those tables do show some information in them. I have attached my openser.cfg and the message dump from wireshark. The messages have been captured at the UA end. I also get the following message at the server. PRESENCE: handle_subscribe:Missing or unsupported event header field value 2(12452) PRESENCE:handle_subscribe: ERROR occured 2(12452) WARNING: script writer didn't release transaction Am I missing something basic here? Please reply. Thank you Kumar

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[Serusers] need help!
by Mukesh Prajapati 22 Jun '07

22 Jun '07

hi, I m trying to add my-sql support to my SER. i install SER with .deb package. I uncommented the lines regarding my-sql.so module.... now when i try to start server it's giving error like "bad configuration file" can anybody halp me in this regard? thnx mukesh --------------------------------- We won't tell. Get more on shows you hate to love (and love to hate): Yahoo! TV's Guilty Pleasures list.

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[Serusers] dns srv load balancing
by Mário Ferreira 22 Jun '07

22 Jun '07

Hi, Does anyone know if is possible for SER to perform load balancing according to DNS SRV priority and weight fields? It seems that SER ignores these fields. With use_dns_cache turned on, SER uses always one of the SRV entries, and only tries other if use_dns_failover is turned on and the first destination fails. With use_dns_cache turned off, SER uses all entries on a random way, depending of which entry appears first on the answer section. Is it necessary some configuration for SER to load balance according SRV records or this is not yet supported? regards, Mário Ferreira

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[Serusers] Call between SER proxy servers of different domain
by Ranganath B 22 Jun '07

22 Jun '07

Hi, Was trying to make calls between 2 SIP soft phones which are registered with 2 different SER SIP proxy servers running on different machines but it fails always. When I make a call from Soft Phone-A registered with SER-A to Soft Phone-B registered with SER-B it fails. Soft Phone-A receives 407 response to its INVITE from SER-B and always fails to authenticate. Please provide me inputs on how to solve this problem. I have tried even adding Soft Phone-A's username and password in SER-B but none of them worked. I have another doubt about "aliases" in SER. Can I make some effective use of this and solve the problem mentioned above? Thanks in advance, Ranganath

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sr-users June 2007