Hi Carsten,

Thanks for your quick reply. 
The "500" is generated by the Kamailio server which is used as Load balancer  ( using dispatcher module).

I dont see any 500 number in my kamailio.cfg in the load balancer kamailio.
Should I go deep into the dispatcher module itself?

Unluckily I cannot check the reason by checking the syslog since this only happen when thousands of request come in at the same time.


On Tue, Feb 26, 2013 at 7:24 PM, Carsten Bock <carsten@ng-voice.com> wrote:

can you see, why the Kamailio is returning a "500 Server internal
error"? This response must be either created by some module or by some
upstream server (e.g. in case of loadbalancing).
Kamailio itself would not create such response, you should (if at all)
find the answer in the logs...

Kind regards,

2013/2/26 chanea <chanea@gmail.com>:
> Dear all
> While lots of request come to my Kamailio 3.1.x in the same time ,  server
> is returning "500, Server Internal Error" to some of the request.
> What should i do if i want to reduce the number of "500" response?
> chanea
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Carsten Bock
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