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[OpenSER-Users] #remove
by Silvio Netto 25 Feb '08

25 Feb '08

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[OpenSER-Users] Status code 408 returned by OpenSER when fr_timer expires; should it be 504?
by Anatoly Pidruchny 25 Feb '08

25 Feb '08

Hello everybody, I noticed that OpenSER replies with status code "408 Request Timeout" when the fr_timer (tm module) expires. I am wondering if the response code "504 Server Timeout" would be more appropriate in this case. The status code 408 means that "the server could not produce a response, e.g., a user location, within the time indicated in the Expires request-header field. The client MAY repeat the request without modifications at any later time."; and the status code 504 means "the server did not receive a timely response from an external server it accessed in attempting to process the request." It sounds to me that the description of the status code 504 better describes what happens in OpenSER when the fr_timer expires. Any comments? I am using OpenSER 1.2.x. Best regards, Anatoly Pidruchny.

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Re: [OpenSER-Users] OpenSER failure when MySQL redundant database fails
by Henning Westerholt 25 Feb '08

25 Feb '08

On Friday 22 February 2008, Arturo Díaz Almagro wrote: (forward to user list for the archives) > This is my case. We have a SIP telephony system based on OpenSER with a > redundant MySQL database ring, so the OpenSER queries always to the primary > DB unless it fails. When the "master" database dies, a monit process > detects the failure and modify properly the database entry in the DNS zone > file. We have tested this redundancy in two way I expose you here: > > - mysql process is killed in the database host machine. In this case > OpenSER realizes the failure and asks the DNS inmediately for the > database IP address and the service keeps working as expected. No problem > here. > > - shutdown the interface of the machine where mysql is hosted. In this > case OpenSER does not ask the DNS for the new address. It keeps trying > over and over the connection with the master and until the interface is not > turn on the system keeps hung. > > The difference between the two cases is that in the first case, the host > machine responses with an ICMP (port destination unreachable) when OpenSER > queries the database. In the second case we have no answer from the MySQL > host machine. > > So, if the mysql's host interface is shutdown the system hangs but if the > mysql process dies the system works properly. In the first case both > machines (OpenSER and MySQL) has IP visibility, not in the second, so the > problem should be related to that. Do you know why this is happening? Might > you, please, be so kind to tell me how to fix this problem or at list how > to take a workaround to get it working properly? Hi Arturo, Well, this problem is probably caused because the mysql_query function works synchronly, i.e. it blocks the process if no progress on the query could be made. You could easily reproduce this with simple IP filtering with iptables. If you don't get a negative reply to the query, it will simply hang for the TCP timeout from the kernel. We've written in the past a custom extension to the mysql module, called mysql-mt. This elevates this problem by uses a multi-threading approach. But this worked not that great. For recent mysql driver versions this is not needed anymore, i've committed in revision 3606 a improvement to the trunk version of openser that uses the recently introduced extensions in the mysql lib. This could be easily backported to your version. Take a look into the mysql documentation if this different timeouts are supported on your driver version. Cheers, Henning

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[OpenSER-Users] UA Gets Disconnected
by Ali Jawad 25 Feb '08

25 Feb '08

Hi All I am using 1.3 with tls enabled, I am using the default certs that come with the source code and I did disable all the tls_verify options, I can logon to my UA and make calls however there is one problem, every couple minutes the sip client disconnects and re-connects "it does have a re-login option". Any ideas why the UA is getting disconnected every couple of minutes ? Note: I have also tried with UDP without tls and the same thing happened upon monitoring SIP packets I noticed the following, as long as the client is connected it regularly sends REGISTER packets, when the disconnect happens the following happens SIP/2.0 401 Unauthorized Thx With Regards Ali Jawad

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[OpenSER-Users] ERROR:core:_tls_read: something wrong in SSL:
by John Barry 25 Feb '08

25 Feb '08

Hello, I am trying to do a performance test of OpenSER (1.3.0) with TLS using SIPP as the UAS/UAC. The TLS authentication seems to work and the calls are stablished and then terminated (SIPP default scenario). However, I am receiving the following error message from OpenSER: Feb 19 12:58:40 [12709] ERROR:core:_tls_read: something wrong in SSL: Feb 19 12:58:40 [12709] ERROR:core:tcp_read_req: failed to read What do these messages mean? Can I ignored them? The SIP command I am using is: sipp -s 100 -sn uac 192.168.1.10:5061 -t ln -tls_cert 101-cert.pem -tls_key 101-privkey.pem The TLS configuration I am using in my openser.cfg file is: disable_tls = no listen = tls:192.168.1.10:5061 tls_verify_server = 1 tls_verify_client = 1 tls_require_client_certificate = 1 tls_method = SSLv23 tls_certificate = "/openser/etc/openser/tls/proxy/proxy-cert.pem" tls_private_key = "/openser/etc/openser/tls/proxy/proxy-privkey.pem" tls_ca_list = "/openser/etc/openser/tls/proxy/proxy-calist.pem" I will appreciate any help about this matter. Thanks, JB _________________________________________________________________ Express yourself instantly with MSN Messenger! Download today it's FREE! http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/

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Re: [Serusers] Intercept SIP call
by roayu 25 Feb '08

25 Feb '08

Thanks. So, if the client aren't able to perform this function. Can SER do that? Or I need to setup the Asterisk server to help me to perform the 'call pickup' functions. Correct me if I'm wrong. Thanks. Roa Yu -----Original Message----- From: SIP [mailto:sip@arcdiv.com] Sent: Monday, February 25, 2008 11:17 AM To: roayu Cc: samuel; serusers(a)lists.iptel.org Subject: Re: [Serusers] Intercept SIP call When your client registers to SER as a particular user, that registration is stored in SER. If you register multiple times with the same user, ALL of those contacts are called when a call is sent to that user. N. roayu wrote: > > Thanks for your reply and explanation, samuel. > > But what do you mean by "If you want to send the initial call to both > phone B and C, either in parallel or sequentally, then SER can easily > do the job"? Could you please further explain on this or you can > provide me so links to read bout this. > > Thanks! > > Roa Yu. > > ------------------------------------------------------------------------ > > *From:* samuel [mailto:samu60@gmail.com] > *Sent:* Friday, February 22, 2008 4:39 PM > *To:* roayu > *Cc:* serusers(a)lists.iptel.org > *Subject:* Re: [Serusers] Intercept SIP call > > The way you have explained the use case would require the phones to do > complex SIP operations. > Phone C need to know the dialog identifiers (dialog info package > probably would help)of the call between A and B and then use replaces > header to "intercept the call". I presonally haven't seen phones doing > this. > > If you want to send the initial call to both phone B and C, either in > parallel or sequentally, then SER can easily do the job. Just read a > few mails or the getting started document and you'll see how to do this. > > Hope it helps, > Samuel. > > 2008/2/20, roayu <roayu(a)ctisys.net <mailto:roayu@ctisys.net>>: > > Hi there! > > Recently, I had setup a SIP environment with few sip phones, SIPphone > A, SIPphone B, and SIPphone C. For instance, when SIPphone A called to > SIPphone B, but B is not able to answer the call. Can SIPphone C > answer A's call? > > I would like to know whether is SER able to have the intercept sip > calls function? If yes, what module or configuration that I need to set? > > Thanks in advance! > > Best regards, > > RoaYu > > > _______________________________________________ > Serusers mailing list > Serusers(a)lists.iptel.org <mailto:Serusers@lists.iptel.org> > http://lists.iptel.org/mailman/listinfo/serusers > > ------------------------------------------------------------------------ > > _______________________________________________ > Serusers mailing list > Serusers(a)lists.iptel.org > http://lists.iptel.org/mailman/listinfo/serusers >

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[Serusers] Fwd: SIP Express Bundle ready-to-go idea, request for input
by Mike Trest - Personal 25 Feb '08

25 Feb '08

Greger, et. al., I like your idea enough to volunteer as a tester + documentation writer. I do a lot of tech and user writing. Active in VoIP since the beginning. I am active VoIP engineer and developer. Also PSTN & VoIP network designer-builder. I have my own private machines, network, and VoIP gateway resources. Prefer CentOS or FC* ..mike.. >Hi guys, >I have been playing with the following idea: >Create a ready-to-run OS image with everything that is needed for >iptel.org apps pre-installed + a complete installation of: >* SER 2.0 (release) >* rtpproxy >* SEMS >* SERweb >* maybe sipsak, some monitoring tools, etc > > >The idea is to create a small script 'config_iptelorg' for >configuring the installation to your needs. You should then be able >to download the ready image, boot it, go through the script and have >an up and running iptel.org proxy and app server just like the >iptel.org free SIP service in maybe 10-15 minutes. This way you >could host a SIP service for your own domain with close to no setup at all. > >Some questions to you: >* Is there any interest for this at all? >* I was thinking about using Ubuntu 7.10 server as the OS. Any >thoughts/preferences? >* Should the image be an Amazon EC3 image (you could use >http://www.rightscale.com and get it running in no time with 10 >run-hours free) or should it be a VMware appliance to be run with >free VMware Player? >* Other suggestions/comments? > >I could need some help with this, anyone interested in lending me a >hand? (could be anything, documentation, testing, installation, etc) >g-)

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[Serusers] Openser - Ejabberd Integration
by Frank Gonzalez 25 Feb '08

25 Feb '08

Hi, im trying to stablish the real time connection between Openser and Ejabberd both with mysql support, any suggestions ? -- Thanks Frank Gonzalez 414-6260492

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Re: [Serusers] Intercept SIP call
by roayu 25 Feb '08

25 Feb '08

Thanks for your reply and explanation, samuel. But what do you mean by "If you want to send the initial call to both phone B and C, either in parallel or sequentally, then SER can easily do the job"? Could you please further explain on this or you can provide me so links to read bout this. Thanks! Roa Yu. _____ From: samuel [mailto:samu60@gmail.com] Sent: Friday, February 22, 2008 4:39 PM To: roayu Cc: serusers(a)lists.iptel.org Subject: Re: [Serusers] Intercept SIP call The way you have explained the use case would require the phones to do complex SIP operations. Phone C need to know the dialog identifiers (dialog info package probably would help)of the call between A and B and then use replaces header to "intercept the call". I presonally haven't seen phones doing this. If you want to send the initial call to both phone B and C, either in parallel or sequentally, then SER can easily do the job. Just read a few mails or the getting started document and you'll see how to do this. Hope it helps, Samuel. 2008/2/20, roayu <roayu(a)ctisys.net <mailto:roayu@ctisys.net> >: Hi there! Recently, I had setup a SIP environment with few sip phones, SIPphone A, SIPphone B, and SIPphone C. For instance, when SIPphone A called to SIPphone B, but B is not able to answer the call. Can SIPphone C answer A's call? I would like to know whether is SER able to have the intercept sip calls function? If yes, what module or configuration that I need to set? Thanks in advance! Best regards, RoaYu _______________________________________________ Serusers mailing list Serusers(a)lists.iptel.org <mailto:Serusers@lists.iptel.org> http://lists.iptel.org/mailman/listinfo/serusers <http://lists.iptel.org/mailman/listinfo/serusers>

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Re: [Serusers] FW: Intercept SIP call
by roayu 25 Feb '08

25 Feb '08

Thanks for your reply. This means that I need to setup another SIP server (Asterisk) to help me to handle the 'call pickup', right? Thanks. RoaYu -----Original Message----- From: SIP [mailto:sip@arcdiv.com] Sent: Friday, February 22, 2008 8:39 PM To: roayu Cc: serusers(a)lists.iptel.org Subject: Re: [Serusers] FW: Intercept SIP call This is called 'call pickup' in the PBX world, and most PBX software can handle it (see Asterisk). N. roayu wrote: > > Resend. > > > > ------------------------------------------------------------------------ > > *From:* roayu > *Sent:* Wednesday, February 20, 2008 11:21 AM > *To:* serusers(a)lists.iptel.org > *Cc:* roayu > *Subject:* Intercept SIP call > > > > Hi there! > > > > Recently, I had setup a SIP environment with few sip phones, SIPphone > A, SIPphone B, and SIPphone C. For instance, when SIPphone A called to > SIPphone B, but B is not able to answer the call. Can SIPphone C > answer A's call? > > > > I would like to know whether is SER able to have the intercept sip > calls function? If yes, what module or configuration that I need to set? > > > > Thanks in advance! > > > > > > Best regards, > > RoaYu > > > > ------------------------------------------------------------------------ > > _______________________________________________ > Serusers mailing list > Serusers(a)lists.iptel.org > http://lists.iptel.org/mailman/listinfo/serusers >

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