sr-users October 2008

sr-users@lists.kamailio.org

93 participants
170 discussions

[Kamailio-Users] Remove function
by michel freiha 21 Oct '08

21 Oct '08

Dear All, I have the following function: if($rU =~ "^[+].*") { route(8); exit; } I need to remove the + sign from the dilaed number before sending the call to route(8) Regards

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[Serusers] simple cluster setup with asterisk
by Uwe Kastens 21 Oct '08

21 Oct '08

Hello, Can anybody give me a hint how to start with a very simple cluster setup? I just want to route SIP to 2 different asterisk server. There is no need to care about NAT or call routing. I was wondering if its enough to use the dispatch module. Is it possible with the dispatch module to achieve that the system will reuse the information where a user is registered to route the calls to the same system? BR kiste -- kiste lat: 54.322684, lon: 10.13586

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[Kamailio-Users] t_relay("0x02")
by jh＠tutpro.com 20 Oct '08

20 Oct '08

tm readme on t_relay flag "0x02" says: 0x02 - do not internally send a negative reply in case of forward failure (due internal error, bad RURI, bad message, etc). When a forward failure occurs, no SIP request is relayed and therefore no negative reply or timeout will show up on the failure_route (if one is set). It applies only when the transaction is created. By default one negative reply is sent. Useful if you want to implement a serial forking in case of failure. i don't quite understand the statement: It applies only when the transaction is created. what does "It" refer to? i did some experiments with new lcr implementation and if, for example, tcp connection to a gw cannot be established, then t_relay without "0x02" flag generates 477 reply to caller and, indeed, failure route is not executed. so i need test if t_relay("0x02") failed due to "send failed" and handle selection of next gw in the same route block where t_relay("0x02") was called. this is inconvenient, because there already exists a failure route block that does all that and now its code needs to be at least partially duplicated. or am i missing something and it is somehow possible to get a failure route block executed also on this kind of internally generated negative reply? -- juha

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[Kamailio-Users] $rr and $rr are null
by jh＠tutpro.com 20 Oct '08

20 Oct '08

i have if (t_check_status("403")) { xlog("L_INFO", "DBG: status is 403\n, rr is <$rr> and rs is <$rs>\n"); }; and i get to syslog: Oct 18 19:51:37 localhost /usr/sbin/kamailio[18580]: DBG: status is 403 , rr is <<null>> and rs is <<null>> is this expected behavior? -- juha

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Re: [Kamailio-Users] opensips db
by Alex Balashov 20 Oct '08

20 Oct '08

waleed hassn wrote: > On Mon, Oct 20, 2008 at 5:41 AM, Alex Balashov > <abalashov(a)evaristesys.com> wrote: >> waleed hassn wrote: >>> On Mon, Oct 20, 2008 at 4:25 AM, Alex Balashov >>> <abalashov(a)evaristesys.com> wrote: >>>> waleed hassn wrote: >>>>> hi all >>>>> i am new in opensips , how can i set database and add users >>>> Which database, and what users? >>>> >>>> >>>> -- >>>> Alex Balashov >>>> Evariste Systems >>>> Web : http://www.evaristesys.com/ >>>> Tel : (+1) (678) 954-0670 >>>> Direct : (+1) (678) 954-0671 >>>> Mobile : (+1) (706) 338-8599 >>>> >>> sip users and mysql database >>> an error occur when i execute opensipsdb command >> 1) Learn to set up and administer MySQL. >> >> 2) What error? >> >> 3) It might be beneficial to post to the OpenSIPS-Users list. >> >> -- >> Alex Balashov >> Evariste Systems >> Web : http://www.evaristesys.com/ >> Tel : (+1) (678) 954-0670 >> Direct : (+1) (678) 954-0671 >> Mobile : (+1) (706) 338-8599 >> > thanks , can you get me some useful links to begin First result on Google for "mysql tutorial": http://dev.mysql.com/doc/refman/5.0/en/tutorial.html -- Alex Balashov Evariste Systems Web : http://www.evaristesys.com/ Tel : (+1) (678) 954-0670 Direct : (+1) (678) 954-0671 Mobile : (+1) (706) 338-8599

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Re: [Kamailio-Users] opensips db
by Alex Balashov 20 Oct '08

20 Oct '08

waleed hassn wrote: > On Mon, Oct 20, 2008 at 4:25 AM, Alex Balashov > <abalashov(a)evaristesys.com> wrote: >> waleed hassn wrote: >>> hi all >>> i am new in opensips , how can i set database and add users >> Which database, and what users? >> >> >> -- >> Alex Balashov >> Evariste Systems >> Web : http://www.evaristesys.com/ >> Tel : (+1) (678) 954-0670 >> Direct : (+1) (678) 954-0671 >> Mobile : (+1) (706) 338-8599 >> > > sip users and mysql database > an error occur when i execute opensipsdb command 1) Learn to set up and administer MySQL. 2) What error? 3) It might be beneficial to post to the OpenSIPS-Users list. -- Alex Balashov Evariste Systems Web : http://www.evaristesys.com/ Tel : (+1) (678) 954-0670 Direct : (+1) (678) 954-0671 Mobile : (+1) (706) 338-8599

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[Kamailio-Users] opensips db
by waleed hassn 20 Oct '08

20 Oct '08

hi all i am new in opensips , how can i set database and add users thanks

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[Kamailio-Users] RLS and presence Server
by mahesh.peddi＠info-spectrum.com 20 Oct '08

20 Oct '08

Hello, I am able to see RLS properly working when RLS and presence functionality is in the same server. after that, I tried to integrate RLS as a separate application server. To forward the message from RLS to presence server, I made below changes in the config file: route[2] { if (!t_newtran()) { sl_reply_error(); exit; }; if(is_method("NOTIFY")) { rls_handle_notify(); t_release(); } if(is_method("SUBSCRIBE")) { $var(ret_code)= rls_handle_subscribe(); if($var(ret_code)== 10) #to forward to presence server t_relay("udp:<ip>:5070"); } if(is_method("PUBLISH")) { #to forward to presence server. t_relay("udp:<ip>:5070"); t_release(); } exit; } because of this configuration, i found two problems: 1. when i am forwarding subscribe message (from RLS to presence server), its not sending the subscribe for all the contacts. Here, i am expecting (sort of) output of rls_handle_subscribe() to be sent to the presence server. Which is not happening. 2. When presence server is sending notify message, it is sending directly to scscf..instead of rls.. Can anybody let me know, how can I get the desired functionality of: 1. UE --> RLS --> presence server (subscribe) 2. Presence server --> RLS --> UE (for notify). If there is any other way to forward message from RLS to presence, please let me know Regards, Mahesh Peddi

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Re: [Kamailio-Users] Check if a user is calling from aregistered device and if not, deny the call!
by Daniel-Constantin Mierla 20 Oct '08

20 Oct '08

Hello, On 10/19/08 14:32, Arif-Uz-Zaman wrote: > Hi, > > Here is a tricky sample config to check if a user is calling from a > registered device and if not, deny the call: > > $var(temp) = $ruri; > $ruri = $fu; > if(!registered("location")) { > sl_send_reply("403","Forbidden auth ID"); > xlog("<ARIF> Not Found\n"); > exit; > } > $ruri = $var(temp); > in the trunk (so available with upcoming 1.5.0) you can do more strict checks. While you are sure an user is registered, you cannot detect if he is calling from registered device or a different one. You just know it has a valid contact in location database. Here is an example to check Contact address in INVITE is same as one in location table: http://openser.blogspot.com/2008/10/registrar-enhancements.html As you get access to all attributes stored for a location record, you can do many other tests, like source IP and port, etc. Cheers, Daniel > Thanks, > ARIF > > -----Original Message----- > From: users-bounces(a)lists.kamailio.org > [mailto:users-bounces@lists.kamailio.org] On Behalf Of Juha Heinanen > Sent: Sunday, October 19, 2008 3:44 PM > To: users(a)lists.kamailio.org > Subject: Re: [Kamailio-Users] Check if a user is calling from > aregistereddevice and if not, deny the call! > > Arif-Uz-Zaman writes: > > > I've already tested with the following config but no luck. Since the > > following config check only whether callee is registered or not. Not the > > caller. > > > > if(!registered("location")) { > > sl_send_reply("403","Forbidden auth ID"); > > exit; > > } > > indeed the function should take a pseudo variable that contains aor used > for checking. > > > Is there any other suggestions? > > save r-uri, store caller's aor to r-uri and call the above function. > then restore r-uri. > > -- juha > > _______________________________________________ > Users mailing list > Users(a)lists.kamailio.org > http://lists.kamailio.org/cgi-bin/mailman/listinfo/users > > > _______________________________________________ > Users mailing list > Users(a)lists.kamailio.org > http://lists.kamailio.org/cgi-bin/mailman/listinfo/users > > -- Daniel-Constantin Mierla http://www.asipto.com

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[Kamailio-Users] load/next_contacts question
by Klaus Darilion 20 Oct '08

20 Oct '08

Hi Juha and others! I wonder if I understand load/next_contacts(). If I understand it right it can be used for example to make parallel/serial forking after an ENUM lookup (multiple NAPTRs). I think this is the correct usage: if (enum_query()) { if (load_contacts()) { if (next_contacts()) { t_on_failure("1"); t_relay(); } else { sl_reply("500","error adding contacts"); } } else { sl_reply("500","error fetching destination set"); } exit; } But I wonder what if all the branches after enum_query() have the same q value. According to the README: load_contact: If all contacts in the destination set have the same qvalue, load_contacts() does not do anything thus minimizing performance impact of sequential forking capability when it is not needed. Returns 1 if loading of contacts succeeded or there was nothing to do. Thus, next_contacts() will be called although there are no AVPs to fetch. Do I miss something here? regards klaus

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sr-users October 2008