[Asterisk-Users] Scalable IVR

[Digvijay Singh]

Hi,
I am presently thinking of making just a demo application because i need to
assemble it real quick....hooking up an analog phone line for an input
channel...with a dial out feature as well..
I think I would need an XP100 wildcard as FXO .not sure of what to use for
FXS... Incidentally steven informed me that anything with a PCI bus even may
be a P133 could do it...I am presently in india and trying hard to find a
vendor... getting the stuff shipped might take upto 2 weeks ...with usual
custom delays ..
Suggestions are heartily appreciated ..
thanks
digvijay
----- Original Message ----- 
From: "Scott Stingel" <scott at evtmedia.com>
To: <asterisk-users at lists.digium.com>
Sent: Friday, May 14, 2004 11:28 PM
Subject: RE: [Asterisk-Users] Scalable IVR


> Hi Digvijay-
>
> I have done something similar to what you're looking to do, so maybe I can
> help you.  I currently have a system that takes up to 600 simultaneous IVR
> calls, supplied by a large private DMS-100 PBX over 20 E1 spans.  I think
my
> load is a little higher than yours however, because the calls typically
are
> very short (5 seconds).
>
> Here's a summary of what I've found - please contact me directly for more
> detail:
>
> I suggest:
> * Use 1 processor (example: 2.8Ghz P4) for every 4 E1's (example:  one
> TE405P card) when you have that much call setup traffic.
>
> * Try to do as much as possible using the dialplan (extensions.conf). AGI
> scripts are very powerful but cost you in performance when you're running
> large numbers of lines.
>
> * For the processor to use, see the Wiki for suggestions.  I've used P4
and
> Xeon based Tyan and Intel motherboards with success.
>
> * Where you get the hardware depends of course on where you are located.
>
> Good luck!
> Scott Stingel
>
>
>
> Scott M. Stingel
> Emerging Voice Technology Inc.
> Palo Alto, California and London, England
>
> Email:          scott at evtmedia.com
> URL:            www.evtmedia.com
>
>
> -----Original Message-----
> From: asterisk-users-admin at lists.digium.com
> [mailto:asterisk-users-admin at lists.digium.com] On Behalf Of digvijay singh
> Sent: Friday, May 14, 2004 10:37 AM
> To: Asterisk-Users at lists.digium.com
> Subject: [Asterisk-Users] Scalable IVR
>
> Hi,
> I am an asterisk newbie and looking around for information . I wish
someone
> could take their valuable time off to answer my query in detail.
> I wish to set up an IVR system that can allow user authentication and
> therefter accept 2-3 inputs from users ..generate a key and transmit the
> same in voice back to the user .
> The system will intially have small load but if  the whole package in
future
>
> may have huge loads .. from 1000 to 10000 simultaneous peak time callers
> with 1 minute duration calls ( just to mention how scalable we would
ideally
>
> desire it to be )
> At present we would need a maximum of 10 simultaneous users peak load
> capability.
> >From what i know so far asterisk is the most cost effective and sound
> option.
> Now to my question..
> 1-) What would be the hardware requirements in these different cases
> a-) for a single analog phone line for demo purposes intially to
> b-) a peak time 10 simultaneous calls facility and later
> c-) going upto 10,000 simultaneous calls scalability
> 2-) Where can i procure the hardware from
> I was thinking of taking  30 access channels of 64 Kbps and 1 signalling
> channel of 64 Kbps (30B + D). for an ISDN compatible EPABX
> Kindly let me know of your opinion
> Thanks
> digvijay
>
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