<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Verdana; font-size: 10pt; color: #000000'>Coming back from the dentist after getting a mercury based filling must be fun.<br><br>---<br>Lelio Fulgenzi, B.A.<br>Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1<br>(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)<br>^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^<br>"Bad grammar makes me [sic]" - Tshirt<br><br><br>----- Original Message -----<br>From: "Jeff Garvas" <jeff@cia.net><br>To: "STEVEN CASPER" <SCASPER@mtb.com><br>Cc: cisco-voip@puck.nether.net<br>Sent: Thursday, October 22, 2009 4:38:30 PM GMT -05:00 US/Canada Eastern<br>Subject: Re: [cisco-voip] Radio CrossTalk<br><br>Do you hear this radio signal if you plug a regular phone into the POTs lines?<br><br>It seems very unlikely that you're getting RFI from a tower a mile away. What type of radio signal is it? Broadcast AM/FM ? <br><br>
<br><br><div class="gmail_quote">On Thu, Oct 22, 2009 at 3:26 PM, STEVEN CASPER <span dir="ltr"><<a href="mailto:SCASPER@mtb.com" target="_blank">SCASPER@mtb.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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<div>A couple of days ago, we implemented IPT at a site that was previously using a Norstar system. After conversion to IPT, the site has been experiencing radio across all their phone lines that terminate to an FXO card in a 2811. There is a radio tower approximately 1 mile away from the branch. We have taken the following actions to try to resolve this issue. </div>
<div> </div>
<div>From the Dmarc, we validated no radio was coming into the branch.</div>
<div> </div>
<div>We eliminated any bridge taps and created straight run (Cat5 cables) from the Dmarc to the router FXO ports. </div>
<div> </div>
<div>We added ground wire from the router to a nearby water pipe.</div>
<div> </div>
<div>We went through each phone line and eliminated the thought of one of the lines causing the issue. </div>
<div>Does anyone have any other suggestions that we can try? Interesting that we did not experience this problem on the Norstar.</div>
<div> </div>
<div>Steve</div><pre>************************************
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