sr-users December 2006

sr-users@lists.kamailio.org

152 participants
257 discussions

Re: [Users] multiple BYEs getting accounted

by Jayesh Nambiar

Hi Bogdan, Thanks for your response. Actually I have setflag(1) at two places in my script. Its like : if(method=="BYE") { setflag(1); }; if(loose_route()) { ---- ---- }; setflag(1); Actually I added the first condition to make sure that BYEs are not missed. I think that condition is not needed, but then where is the best place to do setflag(1) and ,ake sure that BYEs dont get missed.. Is it before loose_route condition as I have my loose_route condition in the main route. FYI flag 1 is the flag for acc. Waiting for a reply, Thanks, Jayesh. ----- Original Message ---- From: Bogdan-Andrei Iancu <bogdan(a)voice-system.ro> To: Jayesh Nambiar <voip_freak(a)yahoo.co.in> Cc: openser <users(a)openser.org> Sent: Friday, 8 December, 2006 10:56:20 PM Subject: Re: [Users] multiple BYEs getting accounted Hi Jayesh, normally, acc is done on transaction level, so the retransmission are not accounted. Are you forcing acc from script via functions?? or maybe you have 2 BYEs, from both directions? regards, bogdan Jayesh Nambiar wrote: > Hi all, > I am using mysql acc table for accounting. Sometimes due to some NAT > issues, my openser does not acknowledge the BYE from these NATed > clients to proper port. This causes the UA to retransmit BYEs. > Now the problem is that all the BYEs that were received by my openser > are accounted in the acc table, This causes a single INVITE to have > multiple BYEs. I wanted to avoid this. > How could I limit it in the script itself that > "whenever a BYE is received; log it in acc table, but if it is a > retransmited BYE for any reaason do not log it in acc table". > Basically I need only single BYE for an INVITE to get logged in the > acc table. Is this possible? > If someone has any clues over it, please help me. > > Thanks in advance, > > w/regards, > jayesh > > ------------------------------------------------------------------------ > Find out what India is talking about on - Yahoo! Answers India > <http://us.rd.yahoo.com/mail/in/yanswers/*http://in.answers.yahoo.com/> > Send FREE SMS to your friend's mobile from Yahoo! Messenger Version 8. > Get it NOW > <http://us.rd.yahoo.com/mail/in/messengertagline/*http://in.messenger.yahoo.…> > > >------------------------------------------------------------------------ > >_______________________________________________ >Users mailing list >Users(a)openser.org >http://openser.org/cgi-bin/mailman/listinfo/users > > __________________________________________________________ Yahoo! India Answers: Share what you know. Learn something new http://in.answers.yahoo.com/

17 years, 11 months

[Users] How do manipulate the FROM field form a SIP message

by Ricardo Martins

Folks, I´m trying to manipulate the FROM field from a sip message and could not find any way to do that. Tryied using AVPOPS but the problem is that the "push_to" function only works on URI (destination) fields. Anyone could help me with a trick? Best regards to you all. Ricardo Martins.

17 years, 11 months

[Users] multiple BYEs getting accounted

by Jayesh Nambiar

Hi all, I am using mysql acc table for accounting. Sometimes due to some NAT issues, my openser does not acknowledge the BYE from these NATed clients to proper port. This causes the UA to retransmit BYEs. Now the problem is that all the BYEs that were received by my openser are accounted in the acc table, This causes a single INVITE to have multiple BYEs. I wanted to avoid this. How could I limit it in the script itself that "whenever a BYE is received; log it in acc table, but if it is a retransmited BYE for any reaason do not log it in acc table". Basically I need only single BYE for an INVITE to get logged in the acc table. Is this possible? If someone has any clues over it, please help me. Thanks in advance, w/regards, jayesh __________________________________________________________ Yahoo! India Answers: Share what you know. Learn something new http://in.answers.yahoo.com/

17 years, 11 months

[Users] Domain: is_from_local() is case sensitive in caching mode.

by Papadopoulos Georgios

hello, Back in March I posted the following http://openser.org/pipermail/users/2006-March/003426.html The problem was solved with the patch that Klaus sent http://openser.org/pipermail/users/2006-March/003456.html However in Openser 1.1 it seems that there is still a problem. The following code shows how hash("iptel.org") != hash("ipTel.org") Any patches for this? thank you George #include "hash_func.h" int main(int a, char* arg){ char s1[50] = "iptel.org"; char s2[50] = "ipTel.org"; str str1, str2; str1.s = s1; str1.len = strlen(s1); str2.s = s2; str2.len = strlen(s2); printf("s1=%s s2=%s\n", s1, s2); unsigned int r1 = core_case_hash(&str1, 0, 128); unsigned int r2 = core_case_hash(&str2, 0, 128); printf("r1=%u r2=%u\n", r1, r2); return 0; } 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.

17 years, 11 months

[Users] presence module

by henri keski-sikkila

Hello, I have some problems with presence module. When I use presence module it uses all available memory until there isn't any memory left. If I take ps or top there are many openser prosess but only one of them uses more and more memory all the time. Best Regards, Henri

17 years, 11 months

[Serusers] Monitoring SER

by Peter Kuebler

Hi David, Did you ever get any help with this? We use SER here and monitoring is a difficult task. You may want to reference this link for some assistance- http://lists.iptel.org/pipermail/serusers/2006-January/026771.html Your post below: http://lists.iptel.org/pipermail/serusers/2006-May/028625.html Hi, My company has deployed SER on a very large scale across the US and I would like to develop a way to monitor critical parts of SER and the servers that SER runs on. I have several questions regarding monitoring SER. 1. Can SER be SNMP enabled via something like SMUX or AgentX from net-snmp? 2. Does SER have any native SNMP support or other monitoring/logging hooks built in? 3. Do any mibs exist for SER / SIP? 4. I am also still trying to find out if SER has anyway to detect when a user looses registration either via SER internals or external watchdog scripts etc. Thanks David Peter Kuebler Director Network Reliability tele: 703-636-1114 ext: 112 tele: 703-734-4112(alt) cell: 240-506-5703 SunRocket 8045 Leesburg Pike, Suite 300 Vienna, VA 22182 peter.kuebler(a)sunrocket.com SunRocket NOC 703-637-9970

17 years, 11 months

[Users] MediaProxy / RTPproxy / SER / Asterisk / HA / LVS / DNS [load-balancing and high availability]

by Thomas Deillon

Hi, I will try to summarise different load balancing solution and I hope that you will correct my mistake to have a good point of view of all solution. Thanks in advance. 1. Solution with DNS SRV allows making Load Balancing (on phone side) but need phones that support this function. 1.1: Explanation In your DNS, you can set DNS SRV entry like this: ------------------------------------------------------------------ |sipserver1.bigu.edu. 43200 IN A 10.0.0.21 |sipserver2.bigu.edu. 43200 IN A 10.0.0.22 |; |_sip._udp.bigu.edu. 43200 IN SRV 0 0 5060 sipserver1.bigu.edu. |_sip._udp.bigu.edu. 43200 IN SRV 0 0 5060 sipserver2.bigu.edu. ------------------------------------------------------------------- In your phone, you set in proxy SIP: "bigu.edu". The DNS will see that it's a request SIP in UDP and will return 1/2 times in this order: - sipserver1.bigu.edu. - sipserver2.bigu.edu. Phone understanding DNS SRV, will use the first line and if it doesn't work, will use the second one. The phone witch not understands the DNS SRV will always use the first line even if it doesn't work. Conclusion (C/c): It's a load balancing on phone side and so, if you can't choose phone model, it's not a solution (like IP centrex). To solve this problem, we have to use a load balancing on network side OR server side. 2. Solution with HA (Heart Beat) it's a solution on server side. 1.1 Explanation This solution is a fail over architecture. You will set a VIP (virtual IP address) for two servers. The server 1 will have this VIP and handle all the traffic. The second server will listen to the "heart" of the first server and it's something going wrong, it will take the VIP. C/c: This solution will not load balance traffic, and half of computer will not be used. 3. [Correct this part please] LVS (linux virtual Server) is a solution to load balance traffic but it's not SIP aware. You can use it for TCP connection but for SIP, it's very hard. However, you can set a load balancing on IP source, and so, each phone will see only one server. More than this, the LVS solution will not try to know if Asterisk OR SER is alive but try to know if the server is alive. (most of the time, only the service going down, not the whole server ...) C/c: The LVS is not a good solution. This can help but the reactivity is very bad. 4. RTPproxy with SER RTPproxy with Ser is use for failover and not load balancing, so, it's the same conclusion as HA. 5. MediaProxy with SERs. I'm really not sure, but I thing that we have to use only SER servers and the loadbalancer have to be a registrar server ?????? C/c: can you conclude... 6. The ultimate solution... I'm looking for a solution with SER (or something else) in loadbalancer and multiple Asterisk server behind it witch will do all SIP function (REGISTRAR, ...). This kind of architecture has to support NATed phones. Thanks to read this and thanks for your help, Thomas Deillon

17 years, 11 months

[Users] Softphone and OpenSER

by Kc Ayuba

Hi, I'm new. I was wondering if someone could tell me which SIP softphone I can use with OpenSER that supports presence en IM??? regards, Kc

17 years, 11 months

[Users] new set of modules: presence user agent client implementations

by Daniel-Constantin Mierla

Hello everybody, during last week a new set of modules have been introduced to CVS repository. They are prefixed with 'pua' which stands for 'presesece user agent'. There is one module actually having the name 'pua', which implements the common API needed by other modules from this category. At this moment there are two modules which behave as presence user agent for user location records (pua_usrloc) and presence user agent for external applications which can use new management interface (MI - via FIFO file or XMLRPC) to publish details -- this module is named pua_mi. Next step in this direction will be implementation of PUA for xmpp. With pua_usrloc module you can configure OpenSER to publish online/offline status in behalf of SIP devices registered to OpenSER but not supporting presence extensions. The users which have phones supporting presence extension can see if the other users are registered or not. pua_mi module is one very interesting. It enables external applications to publish presence information, through a FIFO file or XMLRPC at this moment. In this way, basically one adds SIMPLE support to whatever they need in a easy and comfortable manner. PUBLISH support is there, SUBSCRIBE is implemented but needs an outward communication channel from OpenSER while MI is inward. Having two new features in place (the MI and SIMPLE/Presence stuff), I though it may be more appealing to start trying and testing if some examples are made available. Therefore I created a dokuwiki page where you can find two shell scripts along with OpenSER configuration file. http://openser.org/dokuwiki/doku.php/presence:pua-modules One of the shell scripts publishes details from operating system: logged in users (U), system CPU usage(C), free memory (M) and load average (L). The other one publishes details gathered from OpenSER statistics: processed SIP requests (R), active transactions (T) and user location records (U). I think they are good examples to start with. I made two screenshots of XLite v3.0 subscribed to such presence information. http://www.openser.org/downloads/presence/xlite-openser-system.jpg http://www.openser.org/downloads/presence/xlite-openser-stats.jpg Readme files for these new modules: http://www.openser.org/docs/modules/1.2.x/pua.html http://www.openser.org/docs/modules/1.2.x/pua_mi.html http://www.openser.org/docs/modules/1.2.x/pua_usrloc.html We have a lot of new code in place, the testing is a very appreciated help you can give. Cheers, Daniel

17 years, 11 months

[Users] Simplified multilateral peering for a lab environment

by Aaron Daubman

Greetings, I've found some decent documentation on secure multilateral peering for OpenSER, however I'm looking for something more simple. In a lab environment, I'm looking to set up four simulated geographically diverse networks all peering across a common backbone. Each of the four networks should have its own SIP registrar. What I'm looking for is a quick guide on how to allow each of the four registrars tell the other three what prefixes are registered with what address so that all SIP UAs can dial just an extension to reach UAs in any of the four networks. Right now I'd like to leave things unsecured if possible (no need for TLS). Also, if there are any good pointers for setting up the DNS in each of the four networks (each network will have its own DNS as well as SIP server) those would be useful. Finally, IPv4 references would be helpful, but seeing as this will be a v6-only setup, any reverences to IPv6 configuration guides regarding the above would be especially useful. Thanks again, ~Aaron

17 years, 11 months

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sr-users December 2006