[Freeswitch-users] High density freeswitch potential deployment using Sangoma 16 x E1 TDM cards (A116DE)

[Florent Krieg]

Hi Andrew,

I can only tell you about the Lua calls handling (because I have no clue
for the rest): no way that the Lua part can be your bottleneck on this
project.

Florent

2014-10-24 1:17 GMT+02:00 Andrew Keil <andrew.keil at visytel.com>:

>  Jay,
>
>
>
> Thanks for your “quick” reply.
>
>
>
> Regarding your comments.
>
>
>
> I also hope they will go to the server variant of Windows, however based
> on the way Freeswitch is put together I do not see much difference between
> running it on a Windows server vs. Windows client machine.
>
>
>
> The applications are varied, however they all require:
>
>
>
> -          G711 –A-law audio playback/record (since E1) - so no
> transcoding
>
> -          DTMF detection
>
> -          Database access (via ODBC to SQL server) – I am currently
> looking at using the Freeswitch pooled database approach rather than the
> lua database modules.
>
> -          General string and number handling – which lua would do very
> well
>
> -          TCP socket communication
>
> -          No text to speech or speech recognition
>
> -          Limited conference requirements (ie. Inbound call conferenced
> with an outbound call on the same server)
>
>
>
> Andrew
>
>
>
>
>
> *From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
> freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *jay binks
> *Sent:* Friday, 24 October 2014 9:44 AM
> *To:* FreeSWITCH Users Help
> *Subject:* Re: [Freeswitch-users] High density freeswitch potential
> deployment using Sangoma 16 x E1 TDM cards (A116DE)
>
>
>
> Another questions ... ( and maybe im just ignorant to this )
>
> Has anyone used Freeswitch on windows, at this scale ?!?
>
> Also if you HAD to go windows, surely you would use a windows server
> variant...
>
> not their desktop OS ?!!
>
>
>
> The real questions here come down to your application, how many DB calls,
> what other services you interact with.  If its IVR with lots of playback,
> then you want to store the recordings on a RAM disk, or SSD at minimum.
>
>
>
> Also pre-transcode all your recordings to G711, to avoid realtime
> transcoding.
>
>
>
>
>
>
>
> On 24 October 2014 07:59, Andrew Keil <andrew.keil at visytel.com> wrote:
>
>  To Freeswitch users,
>
>
>
> I currently consulting to a client in UK where they could potentially move
> off their current proprietary IVR to either an external hosted IVR supplier
> or keep it in-house with a more modern IVR.
>
>
>
> I am putting together a proposal (in basic terms as follows) and wished to
> get some “real-world” feedback:
>
>
>
> 2 x new servers
>
> Each with:
>
>                 Freeswitch (latest stable release)
>
>                 Windows 7 Pro (minimum) – It has to be Windows (initially)
> since they are a “Windows house” still
>
>                 Sangoma 16 x E1 PCI-express (with echo cancellation DSP
> daughter board) TDM card (A116DE)
>
>
>
>
>
> Scripting language on Freeswitch preference: Lua
>
>
>
> My questions are as follows:
>
> 1)      Has anyone used Freeswitch with this level of density on Sangoma
> TDM hardware (ie. Potential for 480 concurrent calls)?
>
> a.       Does the Sangoma DSP echo cancellation daughter board get fully
> utilised by FreeSWITCH (via the FreeTDM interface) – ie. Offloading DTMF
> detection etc…?
>
> 2)      Would there be any issues in using Lua with potentially 480
> concurrent calls?
>
> 3)      Can anyone suggest a minimum hardware spec for this (CPU, memory)?
>
>
>
> I appreciate any assistance on this topic so that this project can get off
> the ground.
>
>
>
> Kind Regards,
>
>
>
> Andrew Keil
>
>
> _________________________________________________________________________
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>
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>
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>
>
>
>
>
> --
> Sincerely
>
> Jay
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://confluence.freeswitch.org
> http://www.cluecon.com
>
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