<div dir="ltr">One data point. Our ACDs for our international calling card type traffic increased by ~15% when<div>we dropped G.729 and went to G.711. Whilst G.729 on its own is fine, a typical call path would be</div><div>cell->us->cell, so there'd be at least three separate encodings and decodings. Call quality under</div><div>these circumstances isn't great, and taking out one set of compression help noticeably.</div><div><br></div><div>--Dave</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Mar 12, 2016 at 12:56 PM, Carlos Alvarez <span dir="ltr"><<a href="mailto:caalvarez@gmail.com" target="_blank">caalvarez@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Our customers completely disagree with that.<div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Mar 11, 2016 at 6:55 PM, Anthony Orlando via VoiceOps <span dir="ltr"><<a href="mailto:voiceops@voiceops.org" target="_blank">voiceops@voiceops.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"><div><span></span></div><div><span>Depends on whether you want to provide a quality product or not. G.729 already hovers just above the line of "satisfied". The slightest impairment drives that below what is considered acceptable. I wouldn't deploy it. </span></div><div><br><br></div><div style="display:block"> <div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"> <div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"> <div dir="ltr"> <font size="2" face="Arial"> <hr size="1"> <b><span style="font-weight:bold">From:</span></b> Robert Johnson <<a href="mailto:robert.j@bendtel.com" target="_blank">robert.j@bendtel.com</a>><br> <b><span style="font-weight:bold">To:</span></b> <a href="mailto:voiceops@voiceops.org" target="_blank">voiceops@voiceops.org</a> <br> <b><span style="font-weight:bold">Sent:</span></b> Friday, March 11, 2016 5:43 PM<span><br> <b><span style="font-weight:bold">Subject:</span></b> [VoiceOps] G.729 A/B Experiences<br> </span></font> </div><div><div> <div><br>Hey everyone,<br><br>I'm looking to deploy a lower-bandwidth codec, and am wondering what<br>everyone's experience has been with G.729, primary regarding voice<br>quality. Historically, we have limited our codec use to G.711.<br><br>Some test calls in the lab are showing promising results, I'm just<br>curious what might happen in the real-world.<br><br>Thank you for your time!!<br>-- <br>Robert Johnson<br>BendTel, Inc.<br><a href="tel:%28541%29389-4020" value="+15413894020" target="_blank">(541)389-4020</a><br>Central Oregon's Own Telephone and Internet Service Provider<br><a href="http://www.bendtel.com/about/" target="_blank">www.bendtel.com/about/</a><span class=""><br>_______________________________________________<br>VoiceOps mailing list<br><a href="mailto:VoiceOps@voiceops.org" target="_blank">VoiceOps@voiceops.org</a><br><a href="https://puck.nether.net/mailman/listinfo/voiceops" target="_blank">https://puck.nether.net/mailman/listinfo/voiceops</a><br><br><br></span></div> </div></div></div> </div> </div><div><br></div><div><br></div><div><a href="https://go.onelink.me/107872968?pid=E-mail&c=MG_FNU_Feb16&af_sub1=E-mail&af_sub2=US_MG_YGrowth_Mail&af_sub3=US_Mail_MG_FEU" target="_blank">Sent from Yahoo Mail</a></div><div> <div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"> <div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"> <div dir="ltr"> <font size="2" face="Arial"> <hr size="1"> <b><span style="font-weight:bold">From:</span></b> Robert Johnson <<a href="mailto:robert.j@bendtel.com" target="_blank">robert.j@bendtel.com</a>><br> <b><span style="font-weight:bold">To:</span></b> <a href="mailto:voiceops@voiceops.org" target="_blank">voiceops@voiceops.org</a> <br> <b><span style="font-weight:bold">Sent:</span></b> Friday, March 11, 2016 5:43 PM<span><br> <b><span style="font-weight:bold">Subject:</span></b> [VoiceOps] G.729 A/B Experiences<br> </span></font> </div><div><div> <div><br>Hey everyone,<br><br>I'm looking to deploy a lower-bandwidth codec, and am wondering what<br>everyone's experience has been with G.729, primary regarding voice<br>quality. Historically, we have limited our codec use to G.711.<br><br>Some test calls in the lab are showing promising results, I'm just<br>curious what might happen in the real-world.<br><br>Thank you for your time!!<span class="HOEnZb"><font color="#888888"><br>-- <br>Robert Johnson<br>BendTel, Inc.<br><a href="tel:%28541%29389-4020" value="+15413894020" target="_blank">(541)389-4020</a><br>Central Oregon's Own Telephone and Internet Service Provider<br><a href="http://www.bendtel.com/about/" target="_blank">www.bendtel.com/about/</a></font></span><span class=""><br>_______________________________________________<br>VoiceOps mailing list<br><a href="mailto:VoiceOps@voiceops.org" target="_blank">VoiceOps@voiceops.org</a><br><a href="https://puck.nether.net/mailman/listinfo/voiceops" target="_blank">https://puck.nether.net/mailman/listinfo/voiceops</a><br><br><br></span></div> </div></div></div> </div> </div></div></div><span class=""><br>_______________________________________________<br>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><pre cols="72"><font face="courier new, monospace">David Knell, Director, TelNG
T: +44 1223 797979 / +1 970-315-4721
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H: <a href="http://www.daveknell.com" target="_blank">http://www.daveknell.com</a></font></pre></div></div>
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