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The Telecom Digest for December 12, 2013
Volume 32 : Issue 243 : "text" Format
Messages in this Issue:
Re: Challenge-Response Now Available On CallCentric (Pete Cresswell)

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Date: Wed, 11 Dec 2013 08:44:38 -0500
From: Pete Cresswell <PeteCress@invalid.telecom-digest.org>
To: telecomdigestmoderator.remove-this@and-this-too.telecom-digest.org.
Subject: Re: Challenge-Response Now Available On CallCentric 
Message-ID: <jhqga9lb29dvoipqi9m61lml38cq41l1jc@4ax.com>

Per Telecom Digest Moderator:
> Sounds good, but I hope they don't just wait x seconds for "the"
> digit to be entered: I've heard telemousketeer calls which start
> with a quick string of Touch Tone digits, presumably 1 to 0 in
> succession.

Yeah... my immediate reaction upon reading the announcement was "I hope
that's not all there is to it...".

For starters, they need something like "3 strikes and you're out" where
the caller either gets flipped to voicemail or totally locked out after
that ID hits n incorrect keys.   That would be needed to prevent
limitless successive calls - each pressing a different key.

Multiple key combinations would help too:  "23" instead of "2", or even
"234".   At some level of random combination tries needed, I would hope
the economics tip in favor of the phone user.

And a whitelist for people I know - so they don't even get the prompt...
Especially a whitelist that learns: somebody gets through to me and, if
I don't press the special "Blacklist This Turkey" key combo during the
call, their ID gets added to the whitelist.    Probably not that useful
for blocking calls because of ID spoofing - but a nice touch for the
people that I know who call: if i neglected to add them to the
whitelist, at least they'd only have to enter the digit on the first
call.

-- 
Pete Cresswell






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