<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">You don't need a call routing platform: you need call routing data. </div><div class=""><br class=""></div><div class="">As much fun as it is to build new systems, that might not be your need.</div><div class=""><br class=""></div><div class=""><div><blockquote type="cite" class=""><div class="">On Sep 15, 2015, at 11:58 , Rafael Possamai <<a href="mailto:rafaelpossa@gmail.com" class="">rafaelpossa@gmail.com</a>> wrote:</div><div class=""><div dir="ltr" class=""></div></div></blockquote><blockquote type="cite" class=""><br class=""></blockquote><blockquote type="cite" class=""><div class=""><div dir="ltr" class=""><div class="">I was tasked to design a system that would give each end user a unique DID from a pool of about 1,000 DIDs total. Every inbound call to a DID would then be forward to the end-users actual phone number (office, mobile, etc..).</div><div class=""><br class=""></div><div class="">WIth that in mind, to me it looks like a big waste of DIDs, and I could use custom extensions instead, with a single DID for everyone. Each end-user is assigned a 5 digit code (an extension pretty much) and gets re-routed accordingly. I believe using Asterisk and/or FreePBX I could still collected all the data that is needed.</div></div></div></blockquote><div><br class=""></div>The two-stage process will give you different results from having DIDs.</div><div><br class=""></div><div>Calling into an IVR/Auto Attendant and entering an extension is going to be considered old school for a lot of folks. In the US, almost everybody has a DID listed on their business card or advertisement. Otherwise you're signaling that you'd like to keep the caller at a distance; "I'm not going to let you ring my phone directly; I'm going to send you through a gauntlet of call transfers".<div class=""><div class=""><br class=""></div><div class="">PSTN DIDs aren't a scarce resource unless you require them all to have 212 area codes (for example of a big city).</div></div><div class=""><br class=""></div><blockquote type="cite" class=""><div dir="ltr" class=""><div class="">Estimated inbound minutes is 500,000 a month, so that requires another 500,000 outbound minutes because each call is forwarded. One million minutes a month does turn out to be expensive, close to U$8,000/month from some quotes that I have gotten.</div></div></blockquote><div><br class=""></div><div>Rather than building it yourself, you could use somebody else's platform -- if they'll give you access to the billing data and give you the call-forwarding options you need. </div><div><br class=""></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>-- PhonePower offers business-oriented service with unlimited minutes</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>-- <a href="http://Phonebooth.com" class="">Phonebooth</a> (a <a href="http://Bandwidth.com" class="">Bandwidth.com</a> company) has unlimited minutes</div><div><br class=""></div><div>I'd recommend you contact these guys directly and explain your need. They all have technical people on this list.</div><div><br class=""></div><div><br class=""></div><div><br class=""></div><div><br class=""><div class=""><font face="Consolas" color="#ff2600" class=""> --- <a href="mailto:mark@ecg.co" class="">mark@ecg.co</a><br class=""> +1-229-316-0013<br class=""> <a href="http://ecg.co/lindsey" class="">http://ecg.co/lindsey</a></font></div><div class=""><font face="Consolas" color="#ff2600" class=""><br class=""></font></div></div></div></div></body></html>