<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Thanks for all the advice guys, we've already blocked 447 years ago. The out payment makes sense and falls in like with what I was seeing(lots of short duration calls). While i'm fine rate wise. my carrier is not and i'll let them know about it.<div><br></div><div>thanks,</div><div><br></div><div>Colin</div><div><br></div><div><br><div><div>On Apr 3, 2010, at 4:03 AM, Simon Woodhead wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span></span>Hi Colin,<div><br></div><div>UK NTS fraud is essentially arbitrage - relying on paying less for a call than the perpetrator is making in outpayment.</div><div><br></div><div>Generally speaking this is most prevalent on 447 numbers as some networks route 447 as UK mobile without breaking out the more dangerous codes underneath it. In our experience the most common is calls to number ranges with connection charges relying on somebody in the supply chain not passing them on; the result is thousands of 1-2 second calls yielding next to no revenue on the per minute basis but massive costs [and thus outpayments] at the per call level. 449s also have per call ranges within them but generally speaking 44844s are usually ok providing you are billing them correctly per minute - they cost 1-5p per minute at retail and should not be billed as a local rate call like 44845. If you can provide the next 3 digits I'm happy to comment further on these specific calls.</div>
<div><br></div><div>We receive enquiries on this daily and counsel customers daily. Our advice is that nobody outside the UK should have volume to these number ranges and they aren't part of the UK international dial-plan so no international provider has to provide access to them. If someone is asking about specific numbers or ranges then that is 99% certainly dodgy and should be avoided. Naturally, this advice is frequently ignore but rarely with a positive outcome!!</div>
<div><br></div><div>Kind regards,</div><div>Simon</div><div><br><div name="mailplane_signature">--<br>
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</a><a href="http://feeds.simwood.com/SimwoodNews">http://feeds.simwood.com/SimwoodNews</a></div><br><br><div class="gmail_quote">On Sat, Apr 3, 2010 at 2:12 AM, Colin <span dir="ltr"><<a href="mailto:zavoid@gmail.com">zavoid@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Can someone explain to me what the scam is on calls to + 44844 (UK NTS). I'm seeing a bit of traffic to these destinations and it just doesn't feel right, and they all answer to strange IVRs. I'm assuming someone has had this issue before.<br>
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Thanks,<br>
<font color="#888888"><br>
Colin<br>
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