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37464 discussions

[OpenSER-Users] Openser ignoring SIP version in the Request Line
by Aadilkhan Maniyar 22 Apr '08

22 Apr '08

Hi, When Openser receives a malformed INVITE with SIP version set to 10.0 in the Request Line, it just processes it as a normal INVITE. The Request Line of the INVITE message received looks like this: INVITE sip:ua1@domain.com SIP/10.0 According to RFC 3261, the Requests should contain SIP/2.0. Hence Openser should drop this request with an appropriate 4xx reponse. But this behavior is not seen. Do I have to modify my openser.cfg for validating the above INVITE? Any help would be appreciated. Thanks, Aadil

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[OpenSER-Users] Call setup authentication through openLDAP
by Ahmed Huraimel 22 Apr '08

22 Apr '08

Dear all, I wounder if anyone successfully uses openSER 1.3.x with LDAP server (openLDAP). For me I work fine with Authenticating the uses while REGISTER request. However, I could not configure it to Authenticate call setup. in other words, an non register user can make a call setup. what comes to my mind is to use the same idea of authentication when RIGISTER request was issues with some modefications but when SIP proxy server send "407 Proxy Authentication Required" the client send ACK and stop. ================================================= # account only INVITEs if (is_method("INVITE")) { xlog("L_NOTICE","Processing by INVITE handler ...\n"); route(4); exit; #setflag(1); # do accouting } ..... route[1] { if (!t_relay()) { sl_reply_error(); }; exit; } .......... rout[4] { if(is_present_hf("Authorization")) { # ldap search if (!ldap_search("ldap://sipaccounts/ou=sip,dc=mysip,dc=com?sn,userPassword?one?(cn=$fU)")) { switch ($retcode) { case -1: # no LDAP entry found sl_send_reply("404", "User Not Found"); exit; case -2: # internal error sl_send_reply("500", "Internal server error"); exit; default: exit; } } ldap_result("sn/$avp(s:username)"); ldap_result("userPassword/$avp(s:password)"); if(!pv_proxy_authorize("")) { proxy_challenge(""/*realm*/,"0"/*qop*/); exit; } route(1); } else { proxy_challenge("","1"); exit; } ================================================= do any one know how to authenticate call setup? do you think using RADIUS is better for authentication instead of LDAP authentication? regards, Ahmed ALALI

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[Serusers] rewriting to a dns domain
by Rolf Unger 22 Apr '08

22 Apr '08

Hello list users, i want to use ser as a load balancing proxy for some PSTN gateways that I have in use. My idea is to use the rewritehost() core function and DNS SRV entries to accomplish this. But it seems that ser is doing a A record lookup if I simply replace the host with my domain "mynet.interx": if ( ... ) { rewritehost("mynet.interx"); t_relay(); } Ser is running on the same host (89.49.16.54) as the authorative nameserver for the mynet.interx domain. dig shows that the DNS files are configured in the right way for load balancing, but I just can't find a way to make ser as a dns client work like dig. If I use "_sip._udp.mynet.interx" it will complain about a bad name. Well he is partly right, underscores are not allowed in domain names. And if I use only the domain in the rewrite command it will contact the IP of the nameserver of this domain. Or in other words it will send the messages to itself. Using directly rewritehost("sip1.mynet.interx") doesn't help me, because it wouldn't do load balancing. How can I convince ser (version 0.9.6) to use the correct lookup method for the DNS? Any hints are appreciated ... Thanks, Rolf. ---------------------------------------------------------------- ; <<>> DiG 9.2.4 <<>> -t SRV _sip._udp.mynet.interx ;; QUESTION SECTION: ;_sip._udp.mynet.interx. IN SRV ;; ANSWER SECTION: _sip._udp.mynet.interx. 21600 IN SRV 0 50 5060 sip3.mynet.interx. _sip._udp.mynet.interx. 21600 IN SRV 0 50 5060 sip1.mynet.interx. ;; AUTHORITY SECTION: mynet.interx. 21600 IN NS mynet.interx. ;; ADDITIONAL SECTION: sip1.mynet.interx. 21600 IN A 89.49.16.50 sip3.mynet.interx. 21600 IN A 89.49.16.51 mynet.interx. 21600 IN A 89.49.16.54

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[OpenSER-Users] imc module
by sasirekha jaganathan 22 Apr '08

22 Apr '08

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[OpenSER-Users] Dispatcher Failover Hell.
by Douglas Garstang 22 Apr '08

22 Apr '08

I'm using OpenSER 1.2.2. I can't get the dispatcher to do failover. Here's my module parameters... modparam("dispatcher", "list_file", "/etc/openser/dispatcher.list") modparam("dispatcher", "flags", 2) modparam("dispatcher", "dst_avp", "$avp(i:271)") modparam("dispatcher", "grp_avp", "$avp(i:272)") modparam("dispatcher", "cnt_avp", "$avp(i:273)") modparam("dispatcher", "force_dst", 1) modparam("tm","fr_timer",3) Here's my dispatcher list file: 1 sip:119.42.149.76:5099 1 sip:119.42.149.79:5099 And, my routing logic is below. The first thing that I don't understand is that when I print $avp(i:271) I get "sip:119.42.149.76:5099". Where did the other IP address form the list file go? When I print $avp(i:273), I get "2" which is supposed to be the count of the number of items in the list. Where's the other IP gone? I only see one. The failover routing doesn't work. When OpenSER fails to connect to the first IP, it goes into failure_route(11) like it is supposed to, but it DOES NOT try the other IP address (the one that is missing from $avp(i:271)). I have confirmed this by running ngrep on port 5060. So... question is... why is the dispatcher only loading one entry from the dispatcher list file into the avp? Doug. route[10] { xlog("L_INFO","Inbound Routing"); t_on_failure("11"); ds_select_dst("1","4"); xlog("L_INFO","---> $avp(i:271) $avp(i:272) $avp(i:273)"); forward(); xlog("L_INFO","Trying first route $dd $od $rd $td $br"); t_relay(); } failure_route[11] { xlog("L_INFO","First route failed. Trying second"); if(t_check_status("408") ){ ds_next_dst(); t_on_failure("12"); t_relay(); } else { t_reply("501", "Not Implemented"); } } failure_route[12] { route(13); } route[13] { xlog("L_INFO","CRAP"); return; } ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ

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Re: [Serusers] how can we setup ser to route invite packet?
by Victor Pascual Ávila 22 Apr '08

22 Apr '08

Hi Jun Yin, On Tue, Apr 22, 2008 at 12:00 PM, <serusers-request(a)lists.iptel.org> wrote: > Message: 1 > Date: Mon, 21 Apr 2008 12:09:36 -0700 > From: "Jun Yin" <hansyin(a)gmail.com> > Subject: [Serusers] how can we setup ser to route invite packet? > To: serusers(a)lists.iptel.org > Message-ID: > <e776e0110804211209u6e8c81dcva09193074ca49ab5(a)mail.gmail.com> > Content-Type: text/plain; charset="iso-8859-1" > > Hi, > My enviroment is like this: phone1---proxy1-----proxy2-----phone2. > phone1 register to proxy1, and phone2 register to proxy2, now I initiate > call from phone1 to phone2, I noticed that phone1 just resolved proxy2's > domain by itself and send invite to proxy2 directly, everything works fine. > My question is : How can I force phone1 to send invite to proxy1 and then > let proxy1 to route that invite packet to proxy2? Actually, I hope all > packet between phone1 and phone2 can go through proxy1 and proxy2, include > RTP. This behaviour was determined by phone's configuration or proxy's > configuration? -Signaling can be forced to go through the proxy, but not the media. If you want non-end-to-end media, use a media proxy. -Have a look at SIP trapezoid [1] [2] and decide what you want to go through the proxy (via, R, RR) and what end-to-end -Check your UAs' (i.e. phone) outbound proxy configuration. [1] RFC 3261, Section 16.12.1.1 [2] http://www.iptel.org/sip_trapezoid My two cents, -- Victor Pascual Ávila

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[OpenSER-Users] failover with openser
by Robert McNaught 22 Apr '08

22 Apr '08

Hi, I have heard that there are two main methods to allow failover with openser - you can use heartbeat, which I believe is where a secondary machine assumes the primary machines IP upon the primary not responding to a ping. I understand the alternative is SRV records, which use DNS to failover when a machine goes down. What is the advantages/disadvantages of each? What are people actually using in production with OpenSER? Can anyone offer some advice on this? TIA Robert

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[OpenSER-Users] cnt_avp () doesn't work?
by Miroslav HOSTINSKY 22 Apr '08

22 Apr '08

Hello, I have little problem with openser 1.3.1 and dispatcher (again). according to dispatcher manual: -- 1.3.11. cnt_avp (str) The name of the avp storing the number of destination addresses kept in dst_avp avps. -- So if I understand it correctly, in AVP (defined in cnt_avp) is stored number/quantity of active destinations in current destination group. but I have always initial number of destinations in this AVP (as defined in dispatcher "destination list" config file). If I remove destination from balancing list (failed GW), in this AVP is always same initial value. I think it should change (in this case decrement by 1). Is this correct? Thanks :) -- Miroslav Hostinsky

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[OpenSER-Users] Avp_db_query with timestamp??
by Geir O. Jensen 22 Apr '08

22 Apr '08

I'm trying to get a timestamp from the sql server with the following: avp_delete("$(avp(s:rds_time))"); avp_db_query("SELECT time FROM usr_status WHERE cid='$ci';","$(avp(s:rds_time))"); HOWEVER, even if the time field is "2008-04-21 15:06:33" the avp is only filled with "2008". Any idea what's going on ?? - gojensen UNINETT

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[OpenSER-Users] [Wesip] Ringtone application
by kriko 22 Apr '08

22 Apr '08

Hello! Have anyone tried the ringtone app on wesip page? I rewrote it, however mine crashes, but so does wesip one. I'm suspecting a bug somewhere else that those two application, but I'm having trouble debugging, since it doesn't show exactly where is the problem: ---- SipProcessor [SipProcessor[4]] - error processing event... java.lang.NullPointerException at com.voztele.sipservlet.deploy.rules.StandardSipServletMapping.evaluate(StandardSipServletMapping.java:39) at com.voztele.sipservlet.core.ConvergedHost.map(ConvergedHost.java:104) at com.voztele.sipservlet.core.SipHostMapper.map(SipHostMapper.java:123) at org.apache.catalina.core.ContainerBase.map(ContainerBase.java:967) at com.voztele.sipservlet.valves.ConvergedHostValve.invokeSipRequest(ConvergedHostValve.java:267) at com.voztele.sipservlet.valves.ConvergedHostValve.invokeSIP(ConvergedHostValve.java:126) at com.voztele.sipservlet.valves.ConvergedHostValve.invoke(ConvergedHostValve.java:104) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:124) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:946) at com.voztele.sipservlet.valves.ConvergedEngineValve.invoke(ConvergedEngineValve.java:114) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:946) at com.voztele.sipservlet.processor.SipProcessor.invokeContainer(SipProcessor.java:198) at com.voztele.sipservlet.processor.SipProcessor.processRequest(SipProcessor.java:142) at com.voztele.sipservlet.processor.SipProcessor.process(SipProcessor.java:272) at com.voztele.sipservlet.processor.SipProcessor.run(SipProcessor.java:253) at java.lang.Thread.run(Thread.java:619) ---- How to discover what is blocking it from working? -- (\__/) (='.'=) (")_(")

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