[SR-Users] Problem with REGISTER retransmissions

[Alejandro Mingo]

Thanks. I installed version 3.1.4 with a CentOS 5.5 package, but i 
cannot find the 3.1.5. one.

I've inserted the code you gave me in the config file and version 3.1.4 
returns value 1 (instead of 2).

Cheers,
Alejandro.



El 21/09/2011 12:38, Daniel-Constantin Mierla escribió:
> Hello,
>
> I tried to reproduce with a very simple config to handle register 
> requests. So I sent a REGISTER with expires 60 (very much the same as 
> the one in the trace you sent), waited a while, then sent two 
> REGISTERs having the CSeq incremented. All went fine.
>
> I tested with master and 3.1 branches (so the last is actually 3.1.5). 
> Can you upgrade to 3.1.5 first and try again? If still fails, then 
> update config to print the return code for save() function, something 
> like:
>
> $var(r) = save("location");
> xlog("code returned by save is $var(r)\n");
> if($var(r) < 0)
>       send_reply("500", "Failure");
>
> Let me know the value of the returned code for the register that does 
> not have a contact in reply.
>
> Cheers,
> Daniel
>
> On 9/20/11 2:10 PM, Alejandro Mingo wrote:
>>
>> Hi Daniel-Constantin,
>>
>>  I send you the PCAP and LOG files corresponding to one of these 
>> situations. As you can see in the LOG file, one thread (5444) handles 
>> the first REGISTER, other thread (5447) handles the second REGISTER 
>> (retransmission) and a third thread (5451) indicates that the binding 
>> has expired, six seconds after the arrival of both REGISTERs.
>>
>>  Thanks again.
>>
>>   Alejandro.
>>
>>
>>
>> El 20/09/2011 10:54, Daniel-Constantin Mierla escribió:
>>> Hello,
>>>
>>> On 9/20/11 10:13 AM, Alejandro Mingo wrote:
>>>> Hi,
>>>>
>>>>  Since we installed last version of Kamailio (3.1.4)
>>>
>>> the last version is now 3.1.5, but this is not really the most 
>>> important aspect. However, it is recommended to upgrade, there were 
>>> some fixed to registration handling when register requests have 
>>> multiple contacts.
>>>> we have been experiencing a big problem with REGISTER 
>>>> retransmissions. When the server receives a retransmitted REGISTER 
>>>> it removes the binding and the UAC remains unregistered until next 
>>>> refreshing period. I include a PCAP capture that shows this behaviour.
>>>>
>>>> I am not 100% sure that this problem never happened with older 
>>>> versions.
>>>>
>>>> Has anybody experienced the same problem?
>>> I will try to reproduce and investigate myself. Anyhow, meanwhile 
>>> maybe you can provide more hints faster. Do you have error messages 
>>> in the syslog? Can you run with debug=4 in config file and send the 
>>> output in syslog for such a case?
>
> -- 
> Daniel-Constantin Mierla --http://www.asipto.com
> Kamailio Advanced Training, Oct 10-13, Berlin:http://asipto.com/u/kat
> http://linkedin.com/in/miconda  -- http://twitter.com/miconda
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>


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