>>-----Original Message----- >>From: [email protected] [mailto:asterisk-biz- >>[email protected]] On Behalf Of Alex Balashov >>Sent: September-27-09 4:09 PM >>To: Commercial and Business-Oriented Asterisk Discussion >>Subject: Re: [asterisk-biz] USA termination-dialer traffic >> >>Tom Moore wrote: >> >>> Actually your probably right. >>> This dialing is done manually by a few people. >>> It isn't a computer doing the dialing and then waiting for the live >>agents >>> to answer the answered calls. >> >>What matters to carriers and ITSPs is not how the dialing is >>initiated, but: >> >>1) CPS - the pace of dialing, measured in calls setup requests per >>second. >> >>Higher CPS creates more load on the system. The elephantine claims of >>marketing aside, there's very little equipment out there - including >>big-iron, large-scale commercial equipment - that won't start to >>experience problems after a few dozen CPS at most. >> >>Concurrency is a huge issue. Spikes in call load that overwhelm the >>service delivery apparatus at inopportune moments are also undesirable. >> >>2) ASR - The percentage of calls that are to bad/disconnected/stale >>numbers and/or the percentage of calls that go unanswered. >> >>Most carriers and ITSPs only start billing once the call is actually >>picked up at the far end. That means that if, say, 60% of the calls >>sent through the system never get picked up, that's an awful lot of >>processing, trunk channels, timeslots, bandwidth, etc, etc. tied up on >>the system relative to the amount of billable minutes extracted. >> >>... >> >>ITSPs and carriers look very unfavourably upon outbound dialer traffic >>of high CPS and low ASR. If you tell them that's the kind of traffic >>you'll be sending, they will be happy to give you their higher rates, >>or bill you from start of call initiation. If you don't tell them, >>they'll be happy to deactivate your service once they notice it. >> >>Can't really blame them; nobody wants this kind of low-margin, >>high-utilisation traffic on their system. It brings other >>externalities as well, like potential legal issues that require the >>service provider to get involved, etc. If I were a service provider, I >>certainly would avoid it like the plague. >> >>Anyway, the point is that if you can get a sufficiently large amount >>of people to produce these effects by manual dialing, that won't >>change the service provider's view of the traffic nor the latter's >>essential characteristics. The automated dialing aspect is not the >>trigger. You can have a well-behaved automatic dialer, or a hostile >>manual-dial call center. >> >>-- Alex >> >>-- >>Alex Balashov - Principal >>Evariste Systems >>Web : http://www.evaristesys.com/ >>Tel : (+1) (678) 954-0670 >>Direct : (+1) (678) 954-0671 >> >>_______________________________________________ >>--Bandwidth and Colocation Provided by http://www.api-digital.com-- >> >>AstriCon 2009 - October 13 - 15 Phoenix, Arizona >>Register Now: http://www.astricon.net >> >>asterisk-biz mailing list >>To UNSUBSCRIBE or update options visit: >> http://lists.digium.com/mailman/listinfo/asterisk-biz
Well said _______________________________________________ --Bandwidth and Colocation Provided by http://www.api-digital.com-- AstriCon 2009 - October 13 - 15 Phoenix, Arizona Register Now: http://www.astricon.net asterisk-biz mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-biz
