[Freeswitch-users] how many simultaneous calls support in freeswitch

Martin Fiala fialkam at gmail.com
Thu Apr 16 01:36:43 PDT 2009

I've recently tried to test freeswitch with default configurations
(just added more users and a regexp match in internal.xml SIP
switching in dialplan) and it performed quite surprisingly slow.. I
noticed a large disk swapping activity (CPU at registrations of 50
clients at 100% load!) and I think it's because of all the default
settings there (like creating voicemail files for every call etc..).
At least I hope that's it. I will try making it much simpler and see..
Else there must be some other issue for sure..
I don't know if freeswitch has support for generating originating
calls, but there sure is support for "outbound" connections in means
of connecting to third party providers etc..
Afaik, there are two modules for cdr provided, check

On Wed, Apr 15, 2009 at 4:06 PM, Brian West <brian at freeswitch.org> wrote:
> You have to determine how far it will scale for YOUR needs nobody can answer
> this question.  It all depends on what YOU are doing with it and how crazy
> wild you go with things in your implementation.  ;)
> /b
> On Apr 15, 2009, at 8:59 AM, Parveen Kumar Jain wrote:
> Hi,
>    I need to develop an IVR application which makes an outbound calls and
> then plays the some audio file for the user. For this I was trying to
> evaluate Freeswitch under following criteria:
>  - Does freeswitch have outbound calls support(is there any conf file file
> avilabel where I just can put some series of no. and freeswitch just calls
> those no. sequentially)?
>  - If yes, how many simultaneous calls are possible on a simple pentium-4
> using G711U as a codec(1 GB RAM, 2.2 GHz machine) machine?(I had checked the
> switch.conf file and it says that by default it can support upto 1000 calls
> , is it true for a small machine also)? In other terms is Freeswitch is
> scalable if I need to add more users to call from here?
>   - Does freeswitch have the support of CDR(call data record)  after
> succesfull calls ?
> It will be great help if any of you can comment on these question and it can
> save my several hours of testing before I can make my conclusion :)
> Best Regards,
> Parveen Jain
> Brian West
> brian at freeswitch.org
> -- Meet us at ClueCon!  http://www.cluecon.com
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