<div dir="ltr"><div>Hi Andrew,<br><br>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.<br></div><div><br></div>Florent<br></div><div class="gmail_extra"><br><div class="gmail_quote">2014-10-24 1:17 GMT+02:00 Andrew Keil <span dir="ltr"><<a href="mailto:andrew.keil@visytel.com" target="_blank">andrew.keil@visytel.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">Jay,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">Thanks for your “quick” reply.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">Regarding your comments.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">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.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">The applications are varied, however they all require:<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><u></u> <u></u></span></p>
<p><u></u><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><span>-<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">G711 –A-law audio playback/record (since E1) - so no transcoding<u></u><u></u></span></p>
<p><u></u><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><span>-<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">DTMF detection<u></u><u></u></span></p>
<p><u></u><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><span>-<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">Database access (via ODBC to SQL server) – I am currently looking at using the Freeswitch pooled database approach rather
than the lua database modules.<u></u><u></u></span></p>
<p><u></u><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><span>-<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">General string and number handling – which lua would do very well<u></u><u></u></span></p>
<p><u></u><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><span>-<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">TCP socket communication<u></u><u></u></span></p>
<p><u></u><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><span>-<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">No text to speech or speech recognition<u></u><u></u></span></p>
<p><u></u><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><span>-<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">Limited conference requirements (ie. Inbound call conferenced with an outbound call on the same server)<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">Andrew<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><a name="1493fa22bbaab1ea__MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><u></u> <u></u></span></a></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" lang="EN-US">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" lang="EN-US"> <a href="mailto:freeswitch-users-bounces@lists.freeswitch.org" target="_blank">freeswitch-users-bounces@lists.freeswitch.org</a> [mailto:<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org" target="_blank">freeswitch-users-bounces@lists.freeswitch.org</a>]
<b>On Behalf Of </b>jay binks<br>
<b>Sent:</b> Friday, 24 October 2014 9:44 AM<br>
<b>To:</b> FreeSWITCH Users Help<br>
<b>Subject:</b> Re: [Freeswitch-users] High density freeswitch potential deployment using Sangoma 16 x E1 TDM cards (A116DE)<u></u><u></u></span></p><div><div class="h5">
<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Another questions ... ( and maybe im just ignorant to this )<u></u><u></u></p>
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<p class="MsoNormal">Has anyone used Freeswitch on windows, at this scale ?!?<br>
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Also if you HAD to go windows, surely you would use a windows server variant...<u></u><u></u></p>
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<p class="MsoNormal">not their desktop OS ?!!<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">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.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Also pre-transcode all your recordings to G711, to avoid realtime transcoding.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">On 24 October 2014 07:59, Andrew Keil <<a href="mailto:andrew.keil@visytel.com" target="_blank">andrew.keil@visytel.com</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal">To Freeswitch users,<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">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.<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">I am putting together a proposal (in basic terms as follows) and wished to get some “real-world” feedback:<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">2 x new servers<u></u><u></u></p>
<p class="MsoNormal">Each with:<u></u><u></u></p>
<p class="MsoNormal"> Freeswitch (latest stable release)<u></u><u></u></p>
<p class="MsoNormal"> Windows 7 Pro (minimum) – It has to be Windows (initially) since they are a “Windows house” still<u></u><u></u></p>
<p class="MsoNormal"> Sangoma 16 x E1 PCI-express (with echo cancellation DSP daughter board) TDM card (A116DE)<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">Scripting language on Freeswitch preference: Lua<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">My questions are as follows:<u></u><u></u></p>
<p>1)<span style="font-size:7.0pt"> </span>Has anyone used Freeswitch with this level of density on Sangoma TDM hardware (ie. Potential for 480 concurrent calls)?
<u></u><u></u></p>
<p style="margin-left:72.0pt">a.<span style="font-size:7.0pt"> </span>Does the Sangoma DSP echo cancellation daughter board get fully utilised by FreeSWITCH (via the FreeTDM interface) – ie. Offloading DTMF detection etc…?<u></u><u></u></p>
<p>2)<span style="font-size:7.0pt"> </span>Would there be any issues in using Lua with potentially 480 concurrent calls?<u></u><u></u></p>
<p>3)<span style="font-size:7.0pt"> </span>Can anyone suggest a minimum hardware spec for this (CPU, memory)?<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">I appreciate any assistance on this topic so that this project can get off the ground.<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">Kind Regards,<u></u><u></u></p>
<p class="MsoNormal"><span style="color:#888888"> <u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#888888">Andrew Keil<u></u><u></u></span></p>
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<p class="MsoNormal"><br>
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</blockquote>
</div>
<p class="MsoNormal"><br>
<br clear="all">
<u></u><u></u></p>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<p class="MsoNormal">-- <br>
Sincerely<br>
<br>
Jay <u></u><u></u></p>
</div>
</div></div></div>
</div>
<br>_________________________________________________________________________<br>
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