You don't need a call routing platform: you need call routing data.  

As much fun as it is to build new systems, that might not be your need.

> On Sep 15, 2015, at 11:58 , Rafael Possamai <[email protected]> wrote:
> 
> 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..).
> 
> 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.

The two-stage process will give you different results from having DIDs.

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".

PSTN DIDs aren't a scarce resource unless you require them all to have 212 area 
codes (for example of a big city).

> 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.

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. 

        -- PhonePower offers business-oriented service with unlimited minutes
        -- Phonebooth <http://phonebooth.com/> (a Bandwidth.com 
<http://bandwidth.com/> company) has unlimited minutes

I'd recommend you contact these guys directly and explain your need. They all 
have technical people on this list.




    --- [email protected]
        +1-229-316-0013
        http://ecg.co/lindsey

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