[asterisk-users] maximum simultaneous calls

[Mark Quitoriano]

On 3/30/07, Yuan LIU <yliu11 at hotmail.com> wrote:
>
> >From: "Mark Quitoriano" <markquitoriano at gmail.com>
> >Date: Thu, 29 Mar 2007 23:05:57 +0800
> >
> >Hi,
> >
> >what could be the maximum simultaneous calls can asterisk do? i read
> about
> >the asterisk business edition review[1] and it can only handle 120
> >simultaneous calls? i'm using 1.2.x branch of asterisk and i use more or
> >less 90 simultaneous calls.
> >
> >[1] http://www.voiptalk.org/products/Asterisk+Business+Edition
>
> What about
> http://www.voip-info.org/tiki-index.php?page=Asterisk+dimensioning
> ?  People
> reports all kinds of numbers above 120.  The answer partially depends on
> your hardware.
>
> "Simultaneous calls" can also mean very different things under different
> circumstances, as the page will tell you.  If there is no
> transcoding/NAT'ing/in-band signaling, simultaneous calls can mean SIP
> set-ups only.  You can see extremely high numbers even on ancient
> equipment.
>   If everything is in-band and you are using CPU-intensive CODECs, the
> number will drop sharply.  It also varies with types of channels, i.e.,
> whether you use PSTN, IAX, SIP, H.323.  But still, I don't think 120 is
> any
> limit.
>
> Yuan Liu



Hi thanks for the reply.  im just doing sip to sip all g729a codecs, my
hardware is a dual xeon 3.0GHZ with 2gb mem. how many simultaneous calls can
you estimate with this setup?

Thanks!


Mark Quitoriano
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