sr-users April 2008

sr-users@lists.kamailio.org

141 participants
187 discussions

[OpenSER-Users] Tie BYE to INVITE?
by Douglas Garstang 28 Apr '08

28 Apr '08

Is there a way I can tie a BYE to an INVITE? The setflag() and isflagset() commands only work on a transaction, right? And, a BYE is a new transaction, so how could I tell if a BYE is related to a previous INVITE? Doug. ____________________________________________________________________________________ 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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[OpenSER-Users] [NEW] First OpenSER teaching book
by Bogdan-Andrei Iancu 28 Apr '08

28 Apr '08

**Hi everybody, I'm really happy to announce that the first one hundred percent book dedicated to the OpenSER software is finally out. *"Building Telephony Systems with OpenSER"* goes where no one has went before - writing a book to help people to understand OpenSER software and to teach them how to setup OpenSER based platforms - installation, configuration, integration. Such a book was waited by community for some time, and there are many thinks about it to be said - for more on this book, please see the announcement on the openser web page - http://www.openser.org/mos/view/News/NewsItem/OpenSER-First-Book/ Regards, Bogdan

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[OpenSER-Users] SIGILL when starting openser
by Christian Koch 28 Apr '08

28 Apr '08

Hi, when starting openser 1.3.1 it doesn't really start, but stops after processing a SIGILL. When perfoming strace -f /usr/local/sbin/openser I get the following output (these are only the last few lines): time([1208951399]) = 1208951399 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=837, ...}) = 0 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=837, ...}) = 0 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=837, ...}) = 0 send(3, "<143>Apr 23 13:49:59 /usr/local/"..., 147, MSG_NOSIGNAL) = 147 --- SIGILL (Illegal instruction) @ 0 (0) --- Process 12746 detached I've compiled openser from source on the same machine. When starting openser with -V everything works just fine. Output: version: openser 1.3.1-notls (i386/linux) flags: STATS: Off, USE_IPV6, USE_TCP, DISABLE_NAGLE, USE_MCAST, SHM_MEM, SHM_MMAP, PKG_MALLOC, F_MALLOC, FAST_LOCK-ADAPTIVE_WAIT ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535 poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. svnrevision: unknown @(#) $Id: main.c 3590 2008-01-28 17:46:56Z bogdan_iancu $ main.c compiled on 10:47:24 Apr 23 2008 with gcc 3.4.5 So I guessed the problem could occur inside a module. I removed auth.so and auth_db.so from my config file, but openser still doesn't start. But, it doesn't receive a SIGILL anymore, but SIGTERM. Output from strace: time([1208951661]) = 1208951661 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=837, ...}) = 0 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=837, ...}) = 0 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=837, ...}) = 0 send(3, "<139>Apr 23 13:54:21 /usr/local/"..., 103, MSG_NOSIGNAL) = 103 kill(0, SIGTERM) = 0 --- SIGTERM (Terminated) @ 0 (0) --- sigreturn() = ? (mask now []) time([1208951661]) = 1208951661 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=837, ...}) = 0 [...] stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=837, ...}) = 0 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=837, ...}) = 0 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=837, ...}) = 0 send(3, "<143>Apr 23 13:54:21 /usr/local/"..., 113, MSG_NOSIGNAL) = 113 munmap(0xb5f58000, 33554432) = 0 exit_group(-1) = ? Process 12752 detached Any ideas how to fix this problem? Thx, Christian

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[OpenSER-Users] ERROR:presence:mod_init: Wrong version v-1 for table <presentity>, need v2
by Andrea Polidoro 28 Apr '08

28 Apr '08

Dear all, I'm trying to install in a debian sid machine the openser 1.3 in order to use it as presence server. I downloaded the openser and the presence module from the official debian repository. As database I'm using mysql. Unfortunately, when I try to start the openSer I receive this error: "ERROR:presence:mod_init: Wrong version v-1 for table <presentity>, need v2" I found the presentity table structure in this link: http://www.openser.org/docs/db-tables/openser-db-1.3.x.html#GEN-DB-PRESENTI… and I compared it with the presentity table in my system (this is the output): mysql> describe presentity; +---------------+------------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +---------------+------------------+------+-----+---------+----------------+ | id | int(10) unsigned | NO | PRI | NULL | auto_increment | | username | varchar(64) | NO | MUL | NULL | | | domain | varchar(64) | NO | | NULL | | | event | varchar(64) | NO | | NULL | | | etag | varchar(64) | NO | | NULL | | | expires | int(11) | NO | | NULL | | | received_time | int(11) | NO | | NULL | | | body | blob | NO | | NULL | | +---------------+------------------+------+-----+---------+----------------+ 8 rows in set (0.03 sec) How you can see, they seam identical. I searched this error in your mailing list but I didn't find anything. Please, could you help me to understood witch is the error? the presence parameters in my openser.cfg are: modparam("presence", "db_url", "mysql://openser:openserrw@127.0.0.1/openser") modparam("presence", "presentity_table", "presentity") modparam("presence", "server_address", "sip:192.168.100.22:5060") Thank you in advance for your help, Best Regards Andrea Polidoro -- ******************************************** Andrea Polidoro PhD Student University of Rome "Tor Vergata" Department of Electronics Engineering Via del Politecnico, 1 - 00133 Rome - ITALY phone: +39 06 7259 7773 mobile: +39 320 4391892 email: andrea.polidoro(a)uniroma2.it ********************************************

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[OpenSER-Users] Global variables in scripts.
by Peter Lemenkov 28 Apr '08

28 Apr '08

Hello All! Are any ways to define global variables in openser's scripts? I need somethng like ========================================== $var(router1) = "192.168.1.1" $var(router2) = "192.168.1.2" route { ... myfunc1("$ru") switch($retcode) case 1: $ruri = "sip:" + $rU + "@" + $var(route1); case 2: $ruri = "sip:" + $rU + "@" + $var(route2); } failure_route[1] { myfunc2("$ru") switch($retcode) case 1: $ruri = "sip:" + $rU + "@" + $var(route1); case 2: $ruri = "sip:" + $rU + "@" + $var(route2); } onreply_route[1] { myfunc3("$ru") switch($retcode) case 1: $ruri = "sip:" + $rU + "@" + $var(route1); case 2: $ruri = "sip:" + $rU + "@" + $var(route2); } ========================================== Right now (AFAIK) variables may be defined only within one route. Maybe I missing something? What's the scope of visibility of variables within configuration script? -- With best regards!

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[OpenSER-Users] ERROR:presence:mod_init: Wrong version v-1 for table <presentity>, need v2
by Andrea Polidoro 28 Apr '08

28 Apr '08

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[OpenSER-Users] Openser Transaction State Machine
by Aadilkhan Maniyar 28 Apr '08

28 Apr '08

Hi, We are in the process of evaluating the architecture of OpenSER for a local deployment. For this purpose I was looking at the State Machine implemented in OpenSER. More specifically I am looking at the state machine related to the INVITE transaction. In order to know the State machine, what files do I have to look at? Can anyone please guide me. Has the state machine been documented at some place, so that I can read about it? Any help would be appreciated. Thanks a lot, Aadil

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[OpenSER-Users] mediaproxy server NEW FEATURE!!!
by Gonzalo J. Sambucaro 28 Apr '08

28 Apr '08

Folks, I developed a new feature in the Media Proxy project of AG-Proyect. With this new feature the Media Proxy Server is now able to manage the problem of the NAT IP change in an established call. It is currently in production and working without any problem. Somebody wants to test it? I would like to know what to do to make this feature available to everybody. Does anybody know? Regards, ------------------------------ Details: ------- Supose that there is an established rtp connection between two endpoints and the media proxy is in the middle doing the relay of the rtp streams, let´s say (MP = mediaproxy) EP A <--------->[NAT with IP1]<-----------> MP <--------------------> EP B EP A sends rtp to MP_IP:MP_PORT passing through the NAT box. EP B sends rtp to MP_IP:MP_PORT without passing through a NAT box. The MP know that the caller = NAT_IP1:NAT_PORT1, and the called = EP_B_IP:EP_B_PORT Now, supose that the NAT box change their PUBLIC IP from IP1 to IP2, so this escenary EP A <------->[NAT with IP1]<---------> MP <-------------> EP B will change to this EP A <------->[NAT with IP2]<---------> MP <--------------> EP B so the MP should detect that change of IPs and continue relaying the rtp streams but now to IP2:PORT2 instead of IP1:PORT1. Well, that was the situation y have experienced. To fix this, I developed this solution, changing rtphandler.py file: 1) When the first rtp packet of a source arrives, save the SSRC field in the MP. - Save the SSRC of the caller. - Save the SSRC of the called. 2) If arrives a rtp packet with unknown source IP but with the same SSRC field of some of the two streams, updates the binding (with the new IP detected) between the caller and the MP or between the called and the MP according to the field SSRC previously saved. Note: SSRC (RFC 3550 RTP), (from the rfc: "The SSRC identifier carried in the RTP header and in various fields of RTCP packets is a random 32-bit number that is required to be globally unique within an RTP session ") -------------------------------- -- Gonzalo J. Sambucaro Ingeniería de Software Tel: +54-341-4230504 MSLC gonzalo.sambucaro(a)mslc.com.ar www.mslc.com.ar Ocampo y Esmeralda - Vivero de Empresas de Base Tecnológica Ciudad Universitaria Rosario UNR, CCT CONICET Rosario - Santa Fé - Argentina -- Gonzalo J. Sambucaro Ingeniería de Software Tel: +54-341-4230504 MSLC gonzalo.sambucaro(a)mslc.com.ar www.mslc.com.ar Ocampo y Esmeralda - Vivero de Empresas de Base Tecnológica Ciudad Universitaria Rosario UNR, CCT CONICET Rosario - Santa Fé - Argentina

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[OpenSER-Users] Speeddial
by CSB 28 Apr '08

28 Apr '08

Is it possible to use speeddial to associate one number with two destinations. E.g. user dials 10 which then calls both sip:bob@domain.com and sip:jane@domain.com. If not then could anyone suggest an alternative scheme whereby a user dials a short code which can be associated with multiple URIs for parallel or serial forking? Thanks Cameron

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[OpenSER-Users] Bigger OpenSER installation (2-5 Mio subs) and High Availability
by Peter P GMX 28 Apr '08

28 Apr '08

Hello, I have done a project for a SIP provider who is rapidly growing. Designed as a SBC for about 50.000 subscribers at first, I setup a system with a high availability cluster (HA/DRBD) on 2 servers which had one single database on the DRBD volume. Failover works like a charm with only very limited downtime. Now we have to consider to scale the system to about 2-5 Mio subs, so I have to challenge with some things I cannot oversee at the moment. My question is: How do you deal with big installations? - how do you load balance the openser? Is it advisable put put some dedicated SIP hardware in front for load balancing? Or is the dispatcher module on a seperate machine sufficiant (again HA-issue)? - we have a portion of calls who have to go through mediaproxy (How do you load balance this?) - Do you face database issues? We think about setting up a database on 2 seperate servers. Is MySQL ok for this or do you use other DBMS? - Form your exoperience: Are there other things I have to consider? Best regards and thanks for your support. Peter

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sr-users April 2008