[Asterisk-biz] Forklift a 2000 phone PBX - 5000 calls up - WAY up

[Paul Mahler]

>5000 Users at once on Asterisk?   There is no way in hell that will happen
>even if everyone is using the same codex.
>
>
>Steve

A codex is a "a manuscript volume, especially of a classic work or of the
Scriptures." A codec, on the other hand, is a compressor decompressor. So, is
this a technical thread or a religious thread?  ;-) 

By our calculations, 5000 SIP channels = 10000 ulaw stream @ 80k  stream = .8
gigabit. Our total available bus bandwidth is arount 56 Gbps, as compared to
the pc with about 128 Mbps. We can add a bunch of NICs, so blowing past 1Gb
isn't really a problem. 

We ran the benchmark with app_milliwatt which sends the audio on one side of
the call. SIP by default will echo back anything it recieves on rtp ports which
will completes the round trip.

Anyway, whatever it is we are testing, we get over 5000 of them before the MOS
starts to degrade. This is compared to 300 of them on a PC based machine with
comparable hardware before call quality degrades. 

So yes, we are getting 5000 calls on one base unit, and we can cluster more
base units on the same bus for a LOT of calls. 



-----Original Message-----
From: asterisk-biz-bounces at lists.digium.com
[mailto:asterisk-biz-bounces at lists.digium.com] On Behalf Of Paul Mahler
Sent: Sunday, March 27, 2005 1:52 PM
To: asterisk-biz at lists.digium.com
Subject: Re: [Asterisk-biz] Forklift a 2000 phone PBX - 5000 calls up

We sell an asterisk based solution that starts at 5000 simultaneous SIP
sessions on the first 2u server and goes up from there. Way up. 

Paul Mahler
pmahler at signate.com

> On Thursday 24 March 2005 18:42, Michael Welter wrote:
> 
>>I'm staring at an RFP--this company wants to replace a 2000 position 
>>PBX
> 
Sorry guy, we are getting upwards of 5000 SIP sessions on our starter 2U base
unit. Our current problem is that we are using SIPP the open source benchmark,
but it keeps breaking when we go over 5000 simultaneous calls. I'm not sure how
many calls we can really get, but we'll keep trying until we find out. But, if
you need more calls than that, we can keep adding base units to the bus. The
bus is about 50 Gbits. Plenty of room to keep growing. :-) 

Paul Mahler
www.signate.com
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Paul Mahler
www.signate.com


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Paul Mahler
www.signate.com