[asterisk-biz] Asterisk for 3000 Users

[Abdul Hakeem]

Hello,

Has anyone been able to deploy multiple Asterisks using a backend
Registrar/Proxy/Redirect servers ?
What I am trying to achieve here is:
a. Multiple Asterisks servers using an external Registrar using a single
database.
b. And also for these multiple Asterisks to use an external Proxy/Redirect
server for call forwarding LCR etc (in order to avoid another call setup).
Or perhaps it might be simpler to hack the LCR module to initiate a lookup
on the external Registrar's database ?

Regards,
Abdul Hakeem 

-----Original Message-----
From: asterisk-biz-bounces at lists.digium.com
[mailto:asterisk-biz-bounces at lists.digium.com] On Behalf Of Johansson Olle E
Sent: 04 December 2008 09:11
To: Commercial and Business-Oriented Asterisk Discussion
Subject: Re: [asterisk-biz] Asterisk for 3000 Users


4 dec 2008 kl. 09.31 skrev Nishant Prakash Kashyap:

> Hi All,
>
> Can anyone guide me Server Sizing and Best Method for Implementing 
> Asterisk for 3000 Users to be increased to 5000 Users in coming 2 
> years.

Well, the number of users doesn't say much about how many simultaneous phone
calls you're going to process. That's the important factor here. As you see
from other replies, one asterisk box will never be able to handle the amount
of calls, even though it could handle 5.000 registrations. You need to find
a way to scale, and different people have different opinions about it.

I focus on the SIP protocol and scale by using a SIP proxy in front of
Asterisk. Other people focus more on Asterisk itself and build scalability
with database clusters and Asterisk's own protocol called Dundi. There are
many ways and much advice to be found if you search the web and the mailing
lists.

Before you go any further, find out some important facts

- How many simultaneous calls? At which hours?

- Any need for monitoring, conferencing or other CPU-intensive voice
applications?

- Do you need NAT support for the devices?

- Will every user only have one phone or multiple phones?

There are plenty of people on the list who work as consultants with this
kind of setup, and as Alastair said,  looking at it from an service provider
background this is a fairly small platform.  
Currently, I'm involved in a project that starts with 50.000 users.
This means that you won't explore uncharted waters, the solutions for your
problem exists out there and has been in use for a long time.

Regards,
/Olle

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