sr-users October 2006

sr-users@lists.kamailio.org

189 participants
345 discussions

Re: [Serusers] SIP to AS communication
by Jiri Kuthan 17 Oct '06

17 Oct '06

Just a warning small in size but I guess big in the impact. I think people kind of underappreciate the effort which has to be taken. If you consider all the 3gpp complexity (sigcomp as a prime example, one of many being real non-trivial), size of mobile networks for which the system has to be running, number of interfaces to speak over and achieve interoperability (management, diameter, applications, cdr processing...), routing features (the 'scim' feature with which this discussion began)... I occur to know Tekelec has gone through this exercise and generating a reasonable result has cost quite an investment. At 07:19 06/10/2006, Andrey Kuprianov wrote: >Hi, I suppose you need to develop modules for all the the x-CSCF + AS (where x-CSCF is P-CSCF, S-CSCF or I-CSCF). You see, the functionalities/features that x-CSCF and application servers require (for instance, P-headers or querying for subscriber information from HSS) are not available in SER. That's why you need to make your own modules *all the way*. As for HSS, i dont think you need to make some special super DIAMETER-enabled database. In my (an in many other people's btw) point of view a simple database, like MySQL is more than capable of storing subscriber info or initial filtering criterias (iFC --> im talking about SCIM/SIMF). If you are really set to develop IMS on SER, then maybe you can start with SER 0.8.14. You can still find decent development documentation for it. As for later versions, I dont think any good docs are yet available (someone, please, correct me if im wrong) The documentation is being worked on, but for the moment you are unfortunately correct. >Just for your info, INT (France) joint with France Telecom are developing IMS on SER as of now (dont know if it's going to be commerial or open-source. >Contact them if you are interested, maybe you can even help them develop it further :). Plus, Focus is also set to develop a commercial version of IMS for SER and, although, Focus said that their IMS will be available in the last quarter of this year, but nothing's been released yet. :( That's fantastic news, I'm looking forward to GPL contributions from these very respectable institutions. This is really a big piece of work and I am enormously positive about every single new piece of the puzzle. -jiri > Good luck, Andrey. On 10/6/06, Kamal.Mann(a)t-systems.com <Kamal.Mann(a)t-systems.com> wrote: > Hi All > We are using SER as CSCF which communicates with HSS and Application Server. > ï§ Whenever a UA sends a request to SER then it should go to some specific table and look for services assigned to that particular UA. > ï§ If UA is authorize to use that service than SER send this to AS. > ï§ AS then send this request/response to Serving SER (S-CSCF) which further serves that UA. > I need your suggestions for the same that what kind of module we need to develop for this scenario or any valuable suggestions. > > Thanks in anticipation > Kamal Mann > > _______________________________________________ > Serusers mailing list > Serusers(a)lists.iptel.org > http://lists.iptel.org/mailman/listinfo/serusers > > > </x-flowed> >_______________________________________________ >Serusers mailing list >Serusers(a)lists.iptel.org >http://lists.iptel.org/mailman/listinfo/serusers -- Jiri Kuthan http://iptel.org/~jiri/

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[Serusers] if power failure happens in UA while call is in progress, Ser accounts wrong
by Ricardo Carvalho 17 Oct '06

17 Oct '06

Meanwhile I was making my scripts for management of the accounting, I realized and after some call has been answered if the called party simply has a power failure or network failure, no BYE message ever gets returned to the other party, what results in the acc table in one ACK message and after that no more messages belonging to that call-id. This can mean erroneously that the call is still in progress eternally, resulting in an enormous billing to the caller!! This is a very serious issue! How can I protect my system from this kind of problems? Thanks, Ricardo.

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[Serusers] udp_rcv_loop error
by jorain 17 Oct '06

17 Oct '06

Hi all, I get this error when running ser, -------------------------------------------------------------------------------- ERROR: udp_rcv_loop:recvfrom:[11] Resource temporarily unavailable -------------------------------------------------------------------------------- I search for this error and get this answer from the mailing list but i don't know how to solve it. -------------------------------------------------------------------------------- This error (EAGAIN) appears also when and udp packet with bad checksum is received. In this case the linux kernel will return EAGAIN. I think this is the case for you. Probably your "new" phone is placed before a very bad link which corrupts the packet (or you have a bad firewall) -------------------------------------------------------------------------------- Could you please tell me how to solve it? Thanks. Best Regards, jorain

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[Serusers] :Check for URI (from incoming messages) w.r.t database
by Kamal.Mann＠t-systems.com 17 Oct '06

17 Oct '06

Hi All I need to check for each URI with respect to his/her credentials stored in SER database. I am using avpops functions avp_check & avp_db_load. I am able to compile ser.cfg but after writing this piece of code ser stops responding to all kinda requests not even for register messages. Like --> if(avp_check("s:kamal","eq/$from/username")) //avp_db_load("$from/username","s:kamal") // also tried with scheme1: example { ****some more code**** break; } Is this way is correct or I need to use some another function?? I am a newbie to ser; I need your valuable suggestions for the same. Regards Kamal Mann

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[Serusers] [Serdev] :Check for URI (from incoming messages) w.r.t database
by Kamal.Mann＠t-systems.com 17 Oct '06

17 Oct '06

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[Serusers] i have install ser but facing some problem
by vijay tiwari 16 Oct '06

16 Oct '06

hi , i have softphone(eyebeam) and i wnat send the call thourgh ser what r the changes i have do in my ser and i want just send the call form my ser to other sip proxy what the change i have to do. thanks vijay --------------------------------- Stay in the know. Pulse on the new Yahoo.com. Check it out.

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[Users] OpenSER config help to talk to PSTN..
by Nick De Cristofaro 16 Oct '06

16 Oct '06

Hello, I'm an OpenSER newbie and I realise this is probably a very fundemantal thing but I followed the installation tutorial and built some test users on a local MySQL database. Users can register correctly to the SER but they cannot call any other SIP users on the internet or anything else. I am not familiar with the architecture but what is required here? I have access to a Audiocodes Mediant 2000 and would like to get users to be able to call real PSTN numbers. What is required for me to-do to configure this? Many thanks! Nick

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[Serusers] SER/SEMS Server Appliances
by Goran Donev 16 Oct '06

16 Oct '06

I was wondering if anyone out there new of any company that makes SER/SEM Server appliances. The combination of SER/SEMS, make it a more viable solution then Asterisk. Awaiting for responses. Thanks ______________ Protected by MailSword. "Spam Ends Here" FREE download at: http://www.mailsword.com

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[Serusers] Ser and Syslog
by Ricardo Carvalho 16 Oct '06

16 Oct '06

Hi all, I'm trying to enable Ser to write log and debug messages to syslog, but I'm not having success... I'm using Ser-0.9.6 and in my ser.cfg script I have added the following entries: log_facility=LOG_LOCAL6 loadmodule "/usr/local/lib/ser/modules/xlog.so" And in among the routes code I've added lines like this: xlog("L_INFO", "request method: [$rm], from URI: [$fu], To URI: [$tu]"); I've added to the file /etc/syslog.conf the following line: local6.* /var/log/voip.log But nothing gets written to that file, not even to /var/log/messages file! Although, if I make log_stderror=yes in ser.cfg, all log and debug messages are shown just like was expected to the sterror! What am I doing wrong? What is lacking? Regards, Ricardo.

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[Users] Double Registration with Openser proxy and Openser registrar
by Lindsey Hans Joseph Lao 15 Oct '06

15 Oct '06

Hello, I currently have this setup client --> (private interface) OpenSER (public interface) --> registrar (public) In this scenario, I am configuring OpenSER to function as an application level gateway and at the same time a proxy server. I was able to successfully manipulate the contact headers thru textops module such a way that the IP registering in the registrar is the public one. NAThelper's fix_nated_contact and fix_nated_register won't work. No idea why... What I want to happen is that registration requests from the client would register with OpenSER (save in userlocation) and also register with the registrar, is there a way to do this? I'm using this script in the my proxy server such that if the destination uri is not intended for my proxy, it would substitute the contact headers and save it in "location" then relay the register request to its destination: lookup("aliases"); if(uri != myself) { if(is_method("REGISTER")) { append_hf("P-hint: Registration applied\r\n"); subst('/Contact:(.*)<sip:(.*)@(.*)>/Contact:<sip:\1@10.3.2.38:5060>/ig'); save("location"); t_relay(); exit; }; My problem is I am able to log in (i'm using xlite softphone) but upon checking the sip messages, it shows an 401 unauthorized message response from the server. Can anyone help me on this? Thanks much! Hans

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sr-users October 2006