A few weeks back, one of our client TFN #s got hit by 60,000 calls per hour. The number was not active so none of the calls were answered, but it was just odd... The two ANIs were not in service. We removed the CICs so as not to annoy the carrier and called it a day... only because it wasn't an active number. Not sure what we would've done if it was.
Best Regards, Ivan Kovacevic Star Telecom | www.startelecom.ca | SIP Based Services for Contact Centers *From:* VoiceOps [mailto:[email protected]] *On Behalf Of *Geoffrey Mina *Sent:* Thursday, April 03, 2014 12:01 PM *To:* VoiceOps *Subject:* [VoiceOps] Toll-Free Fraud/Spam We are seeing a relatively high number of strange calls hitting a portion of our Toll-Free numbers. The ANIs are mostly disconnected/invalid. When our system answers, we hear silence, a DTMF tone, and then a fast busy on the inbound RTP stream. We are seeing this over multiple TF vendors. Is anyone else seeing anything like this out in the wild? Thanks, Geoff
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