<div dir="ltr">Coil cable in a box until the desired delay is achieved.  (Reference from Flash Boys by Michael Lewis) :)</div><br><div class="gmail_quote"><div dir="ltr">On Wed, Mar 22, 2017 at 2:22 PM Carlos Alvarez <<a href="mailto:caalvarez@gmail.com">caalvarez@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr" class="gmail_msg">Those are some excellent points, Ivan.  They do indeed transfer calls regularly between agents in various US cities, so I assume the foreign ones will also.  I'll have to ask.<div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">The US agents are on MPLS to us, 2-3ms at most.</div><div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">Also, my satellite phone seems to have around 700ms delay, which is quite challenging.  I should try synthesizing 250ms for them and let them try it.  Not sure how, but assume there's some open source out there to do it.</div><div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg"><br class="gmail_msg"></div></div><div class="gmail_extra gmail_msg"><br class="gmail_msg"><div class="gmail_quote gmail_msg">On Wed, Mar 22, 2017 at 11:08 AM, Ivan Kovacevic <span dir="ltr" class="gmail_msg"><<a href="mailto:ivan.kovacevic@startelecom.ca" class="gmail_msg" target="_blank">ivan.kovacevic@startelecom.ca</a>></span> wrote:<br class="gmail_msg"><blockquote class="gmail_quote gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-CA" link="#0563C1" vlink="#954F72" class="gmail_msg"><div class="m_4613533327869887159m_5000554820658676621WordSection1 gmail_msg"><p class="MsoNormal gmail_msg"><a name="m_4613533327869887159_m_5000554820658676621__MailEndCompose" class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" class="gmail_msg"> </span></a></p><p class="MsoNormal gmail_msg"><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" class="gmail_msg">The reality is that you can’t get away from it. A private circuit may cut it by 10% and provide more stable Jitter… but that’s it. So your client and 500,000 other agents in the Philippines and India are in the same boat. </span></span></p><p class="MsoNormal gmail_msg"><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" class="gmail_msg"> </span></span></p><p class="MsoNormal gmail_msg"><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" class="gmail_msg">Where latency gets really nasty and there is some scope to optimize is on call transfers/conferences. Make sure there is never hairpinning through the off-shore call centre. Or that call transfers or conferences have to double up on the path. It will depend on where the media gateways for the solution reside and whether you have any optimization when multiple call legs are made through your service. </span></span></p><p class="MsoNormal gmail_msg"><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" class="gmail_msg"> </span></span></p><p class="MsoNormal gmail_msg"><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" class="gmail_msg">Not sure if this helps… </span></span></p><p class="MsoNormal gmail_msg"><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" class="gmail_msg"> </span></span></p><p class="MsoNormal gmail_msg"><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d" class="gmail_msg">Best Regards,</span></span><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" class="gmail_msg"></span></span></p><p class="MsoNormal gmail_msg"><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d" class="gmail_msg"> </span></span><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" class="gmail_msg"></span></span></p><p class="MsoNormal gmail_msg"><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d" class="gmail_msg">Ivan Kovacevic</span></span><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" class="gmail_msg"></span></span></p><p class="MsoNormal gmail_msg"><span class="gmail_msg"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d" class="gmail_msg">Vice President, Client Services</span></span><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" class="gmail_msg"></span></span></p><p class="MsoNormal gmail_msg"><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d" class="gmail_msg">Star Telecom | </span></span><a href="http://t.sidekickopen61.com/e1t/c/5/f18dQhb0S7lC8dDMPbW2n0x6l2B9nMJW7t5XYg1qMvVnW3LjyBM63K6FlW63JXmj56dLPjf6TyZWx02?t=http%3A%2F%2Fwww.startelecom.ca%2F&si=6470560385859584&pi=36c7d4bb-13b1-426d-bf96-c8c2ff149bdd" class="gmail_msg" target="_blank"><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:blue" class="gmail_msg">www.startelecom.ca</span></span><span class="gmail_msg"></span></a><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d" class="gmail_msg"> | SIP Based Services for Contact Centers | </span></span><a href="http://t.sidekickopen61.com/e1t/c/5/f18dQhb0S7lC8dDMPbW2n0x6l2B9nMJW7t5XYg1qMvVnW3LjyBM63K6FlW63JXmj56dLPjf6TyZWx02?t=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fstar-telecom-www-startelecom-ca-%3Ftrk%3Dbiz-companies-cym&si=6470560385859584&pi=36c7d4bb-13b1-426d-bf96-c8c2ff149bdd" class="gmail_msg" target="_blank"><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:blue" class="gmail_msg">LinkedIn</span></span><span class="gmail_msg"></span></a><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" class="gmail_msg"></span></span></p><p class="MsoNormal gmail_msg"><span class="gmail_msg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" class="gmail_msg"> </span></span></p><span class="gmail_msg"></span><p class="MsoNormal gmail_msg"><b class="gmail_msg"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif" class="gmail_msg">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif" class="gmail_msg"> VoiceOps [mailto:<a href="mailto:voiceops-bounces@voiceops.org" class="gmail_msg" target="_blank">voiceops-bounces@voiceops.org</a>] <b class="gmail_msg">On Behalf Of </b>Carlos Alvarez<br class="gmail_msg"><b class="gmail_msg">Sent:</b> March 22, 2017 1:59 PM<span class="gmail_msg"><br class="gmail_msg"><b class="gmail_msg">To:</b> <a href="mailto:voiceops@voiceops.org" class="gmail_msg" target="_blank">voiceops@voiceops.org</a><br class="gmail_msg"><b class="gmail_msg">Subject:</b> [VoiceOps] Maximum latency</span></span></p><p class="MsoNormal gmail_msg"> </p><div class="gmail_msg"><p class="MsoNormal gmail_msg">One of our larger customers is about to launch a new call center in Malaysia.  The connection there is fast, the trace looks surprisingly clean and short, but latency is consistently at 239-245ms.  We've never knowingly had a connection over 130ms.  Does anyone have experiences, good or bad, with latency approaching a quarter second?  The jitter level seems fine, so I believe they'll just have a delay but decent call quality.</p><div class="gmail_msg"><p class="MsoNormal gmail_msg"> </p></div></div><p class="MsoNormal gmail_msg"><img border="0" width="1" height="1" style="width:.0104in;height:.0104in" id="m_4613533327869887159m_5000554820658676621_x0000_i1025" alt="http://t.sidekickopen61.com/e1t/o/5/f18dQhb0S7ks8dDMPbW2n0x6l2B9gXrN7sKj6v4LCS0Vf6xNj7dSCJWW64Jplz1pctGFW55kbNc1k1H6H0?si=6470560385859584&pi=36c7d4bb-13b1-426d-bf96-c8c2ff149bdd" class="gmail_msg"></p></div></div>
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