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<p>Mind posting your dialplan code? I was thinking the same thing -
very much like an old spam control program I used to use whose
name now escapes me. First time senders would have to respond to
an auto-reply, then were added to a whitelist.</p>
<p> This would be a great FreeBSD module...</p>
<p>Cheers,<br>
</p>
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<td style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; WIDTH:
200px" rowspan="2" valign="top"> <img
src="http://www.stratustalk.com/email/logojeff.gif"
border="0"> </td>
<td style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; WIDTH:
280px; border-left: 1px solid #3d85c6; PADDING-LEFT: 20px"
valign="top"> <strong style="FONT-SIZE: 18pt;
FONT-FAMILY: Arial Black">Jeff LaCoursiere</strong><br>
STRATUSTALK, INC. / CTO<br>
<br>
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<td style="FONT-SIZE: 9pt; FONT-FAMILY: Arial;
WIDTH: 80px; COLOR: #000000" valign="top">Phone:</td>
<td style="FONT-SIZE: 9pt; FONT-FAMILY: Arial;
WIDTH: 175px; COLOR: #000000" valign="top"><strong>+1
703.496.4990 x108</strong></td>
</tr>
<tr>
<td style="FONT-SIZE: 9pt; FONT-FAMILY: Arial;
WIDTH: 80px; COLOR: #000000" valign="top">Mobile:</td>
<td style="FONT-SIZE: 9pt; FONT-FAMILY: Arial;
WIDTH: 175px; COLOR: #000000" valign="top"><strong>+1
815.546.6599</strong></td>
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<td style="FONT-SIZE: 9pt; FONT-FAMILY: Arial;
WIDTH: 80px; COLOR: #000000" valign="top">Email:</td>
<td style="FONT-SIZE: 10pt; FONT-FAMILY: Arial;
WIDTH: 175px" valign="top"><a style="FONT-SIZE:
9pt; TEXT-DECORATION: none; COLOR: #000000"
href="mailto:jeff@stratustalk.com"><strong>jeff@stratustalk.com</strong></a>
</td>
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<td style="FONT-SIZE: 9pt; FONT-FAMILY: Arial;
WIDTH: 80px; COLOR: #000000" valign="top">Website:</td>
<td style="FONT-SIZE: 9pt; FONT-FAMILY: Arial;
WIDTH: 175px; COLOR: #000000" valign="top"> <a
style="FONT-SIZE: 9pt; TEXT-DECORATION: none;
COLOR: #000000"
href="https://www.stratustalk.com"><strong>https://www.stratustalk.com</strong></a></td>
</tr>
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<td style="FONT-SIZE: 9pt; FONT-FAMILY: Arial;
WIDTH: 80px; COLOR: #000000" valign="top">Address:</td>
<td style="FONT-SIZE: 9pt; FONT-FAMILY: Arial;
WIDTH: 175px; COLOR: #000000" valign="top"><strong>One
Freedom Square<br>
13th Floor<br>
Reston, VA 20190</strong></td>
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<td style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; WIDTH:
280px; PADDING-LEFT: 20px" valign="bottom"> <a
href="https://www.facebook.com/jeff.lacoursiere"><img
src="http://www.stratustalk.com/email/fb.png"
border="0"></a> <a
href="https://linkedin.com/in/jeff-lacoursiere-884361"><img
src="http://www.stratustalk.com/email/ln.png"
border="0"></a> <a
href="https://www.twitter.com/stratustalk"><img
src="http://www.stratustalk.com/email/tt.png"
border="0"></a> </td>
</tr>
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<div class="moz-cite-prefix">On 12/13/19 10:48 AM, Julian Beach
wrote:<br>
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<blockquote type="cite"
cite="mid:255533612.20191213164821@trink.co.uk">
<pre class="moz-quote-pre" wrap="">Hello Doug,
Friday, December 13, 2019, 11:03:37 AM, you wrote:
</pre>
<blockquote type="cite">
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">This is exactly what I do - “press 1 for a human”
Works great
</pre>
</blockquote>
</blockquote>
<pre class="moz-quote-pre" wrap="">
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">I do this as well, but I also do a database lookup to see if the number
is on our speeddial list and if so, pass the call directly on without
the IVR prompts.
</pre>
</blockquote>
<pre class="moz-quote-pre" wrap="">
I do something similar for calls without caller ID, but I was still
getting robocalls with spoofed caller ID. I have now changed the dialplan
slightly so that the first time people call they are asked to dial 1.
After the first call, they are added to a known caller list and get
straight through, and any robocalls at that point are blacklisted
manually. I have found that most robocallers spoof the Caller ID so
rarely call from the same number twice. It means that legitimate
callers who cannot dial 1 just have to dial again to get through to
the phones - there is a recorded message telling them to dial 1 or
call back. I haven't had a robocall since!
The hardest thing about this was extracting all the numbers of
previous callers from the CDR and adding it to the Previous_Callers
AstDB for the lookup. I didn't want to make existing callers go through
the initial learning process.
</pre>
</blockquote>
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