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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">I have used the Digium cards and they were faultless.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">I actually have a couple of Digium cards which we are in the process of putting on ebay, 1x PSTN and 1 x ISDN.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Just clearing out after an office move.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#E36C0A">David Vidos<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#7F7F7F">Head Honcho |
<b>NOVA iT GROUP<o:p></o:p></b></span></p>
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<b>CEO & Chairman<o:p></o:p></b></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> AusNOG [mailto:ausnog-bounces@lists.ausnog.net]
<b>On Behalf Of </b>Andrew Yager<br>
<b>Sent:</b> Thursday, 21 January 2016 4:59 PM<br>
<b>To:</b> paul+ausnog@oxygennetworks.com.au<br>
<b>Cc:</b> ausnog@lists.ausnog.net<br>
<b>Subject:</b> Re: [AusNOG] VOIP PBX Analog card advice<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
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<p class="MsoNormal"><br>
Two real options here; either an ATA for analogue lines (e.g. Mediatrix) - but I'd caution against this, or the Digium cards. There are other options, but my experience is that the support/behaviour of these cards is sub-standard in comparison to the Digium
cards.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><a href="https://www.digium.com/products/telephony-cards/analog/4-port">https://www.digium.com/products/telephony-cards/analog/4-port</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">The things you particularly need to look out for in analog land is line-release. Tone detection/release is sometimes hit and miss, although it's improved a lot in recent DAHDI/Asterisk versions.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">The echo cancellation can be tuned, and for local-loop services it should be OK in most cases. Make sure you read the docs on doing echo training and be prepared to arse-around with the gain settings to avoid this.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks,<o:p></o:p></p>
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<p class="MsoNormal">Andrew<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On 21 January 2016 at 16:42, <a href="mailto:paul%2Bausnog@oxygennetworks.com.au">
paul+ausnog@oxygennetworks.com.au</a> <<a href="mailto:paul+ausnog@oxygennetworks.com.au" target="_blank">paul+ausnog@oxygennetworks.com.au</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">Hi Matt, thanks for the reply, there is no reasonable infrastructure at this location other than DSL and the customer is already on an amazing call deal
from their current provider so there are good reasons for not moving them to a VOIP trunk unfortunately.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">Regards</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">Paul</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma",sans-serif">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma",sans-serif"> AusNOG
[mailto:<a href="mailto:ausnog-bounces@lists.ausnog.net" target="_blank">ausnog-bounces@lists.ausnog.net</a>]
<b>On Behalf Of </b>Matt Perkins<br>
<b>Sent:</b> Thursday, 21 January 2016 4:35 PM<br>
<b>To:</b> <a href="mailto:ausnog@lists.ausnog.net" target="_blank">ausnog@lists.ausnog.net</a><br>
<b>Subject:</b> Re: [AusNOG] VOIP PBX Analog card advice</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Given that most providers can port existing numbers to SIP trunks. I would question the wisdom of using Analog Line cards for anything. PSTN has the tendency to suffer echo due
to impedance mismatching and once you add the delay of voip it can be quite noticeable even with top shelf hardware echo cancellation. It's 2016 why not use a SIP trunk.
<br>
<br>
Matt.<br>
<br>
<br>
<br>
On 21/01/2016 4:16 PM, <a href="mailto:paul+ausnog@oxygennetworks.com.au" target="_blank">
paul+ausnog@oxygennetworks.com.au</a> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Afternoon all, normally we provide SIP only PBX services for customers however we have been asked to provide a SIP PBX with Analogue PSTN lines for inbound and outbound calls.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">We normally provide Elastix as a simple cost effective PBX for small customers and in general it works well for what they need.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I am looking for some wisdom from people who have installed a decent 4 line card for use with Elastix before quoting the customer as we had experience some time ago with timing
issues when using analogue cards with VOIP handsets.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Any suggestions would be appreciated.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Thanks<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Paul<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt"><br>
<br>
<o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>AusNOG mailing list<o:p></o:p></pre>
<pre><a href="mailto:AusNOG@lists.ausnog.net" target="_blank">AusNOG@lists.ausnog.net</a><o:p></o:p></pre>
<pre><a href="http://lists.ausnog.net/mailman/listinfo/ausnog" target="_blank">http://lists.ausnog.net/mailman/listinfo/ausnog</a><o:p></o:p></pre>
</blockquote>
<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt"><br>
<br>
<o:p></o:p></p>
<pre>-- <o:p></o:p></pre>
<pre>/* Matt Perkins <o:p></o:p></pre>
<pre> Direct <a href="tel:1300%20137%20379" target="_blank">1300 137 379</a> Spectrum Networks Ptd. Ltd. <o:p></o:p></pre>
<pre> Office <a href="tel:1300%20133%20299" target="_blank">1300 133 299</a> <a href="mailto:matt@spectrum.com.au" target="_blank">matt@spectrum.com.au</a> <o:p></o:p></pre>
<pre> Level 6, 350 George Street Sydney 2000<o:p></o:p></pre>
<pre> Spectrum Networks is a member of the Communications Alliance & TIO <o:p></o:p></pre>
<pre>*/<o:p></o:p></pre>
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<o:p></o:p></p>
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<p class="MsoNormal"><b>Andrew Yager, Managing Director</b> <i>(BCompSc, JNCIS-SP, MACS (Snr) CP)</i><o:p></o:p></p>
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<p class="MsoNormal">Real World Technology Solutions - IT People you can trust<o:p></o:p></p>
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