[Asterisk-Users] High capacity voicemail - 5000 users isn't a lot

[Paul Mahler]

We supply an * server that can support as many users as you want, 5,000 is a
small system. 

Paul


Paul Mahler 
pmahler at signate.com 

Signate, LLC
665 Third Street
Suite 100
San Francisco, CA
 94107-1901

 Asterisk Services and Training

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] On Behalf Of Alistair Cunningham
> Sent: Thursday, February 24, 2005 11:01 AM
> To: izo; Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [Asterisk-Users] High capacity voicemail
> 
> Marcin,
> 
> This depends enormously on the type of users.
> 
> For 5000 users, I would normally recommend IBM's Unified Messaging
> product. For business users on that, I normally recommend at least one
> E1 per 2000 users as a starting point. For residential users, at least
> one E1 per 5000 users. IBM-UM is voicemail with web and email interfaces
> (which reduces traffic) and a lot of follow-me and operator services
> (which increases traffic if you can't do release link transfers, and
> reduces it if you can). Asterisk would be similar.
> 
> If you can do release link transfers, then you can get more users per
> trunk; in some scenarios up to double the number. The above figures
> assume you can.
> 
> The above figures are just a starting point; there is a good chance that
> your users are not typical. For example, in some countries in Asia, you
> can support many more business users - if callers hear a voicemail
> greeting, they usually hang up immediately, and call the person's mobile
> phone. You really need to do a pilot with a subset of users to gauge how
> much they use the system, and what features they use.
> 
> For 5000 users, I would also consider some form of redundancy and
> automatic failover. 5000 angry users is not a pleasant sight!
> 
> My company, Integrics Ltd, does consulting and installations of both
> Asterisk and IBM-UM. If you'd like help planning and installing such
> systems, drop me an email or give me a call.
> 
> Alistair Cunningham,
> Integrics Ltd,
> Telephony, Database, Unix consulting worldwide
> +44 (0)7870 699 479
> http://integrics.com/
> 
> 
> izo wrote:
> > Hi,
> > Does anybody has experience with high capacity PSTN voicemail and
> > asterisk, running more then 5k mailboxes for PSTN users ?
> > How many mailboxes can I serve with 4xE1 card if we assume that we
> > have enough harddrive
> > capacity. What would be server requirements. Would the CPU load be the
> > same when storing
> > voicemails in gsm format as compresing to gsm for ip calls ?
> > Any hints would be greatly appreciated
> >
> > regards
> > m.
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