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<p class=MsoNormal><span style='color:#1F497D'>Do not let your PBX trunks on
CUCM see themselves. That is do not let the CSS on the trunks see the
route patterns that send calls back to the PBX.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><span style='color:#1F497D'>Bob <o:p></o:p></span></p>
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<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b>On
Behalf Of </b>Madziarczyk, Jonathan<br>
<b>Sent:</b> Thursday, September 02, 2010 1:12 PM<br>
<b>To:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> [cisco-voip] Avoiding bounces with overlapping ranges<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>So as we’re migrating off of our antique PBX we have a
problem with bouncing calls.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>PSTN -> CUCM -> Gateway(MGCP/QSIG) -> PBX<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Call comes in for extension 8011, its not on the CUCM,
there’s a rule for unknown extensions in the 80xx range to go to the
PBX. The PBX gets the call, doesn’t show it on it’s list of
ports, then sends it up the chain (back to the CUCM)…then the cycle
begins. It eventually fills up the ports on our Gateway and they finally
get a busy signal (3-10 sec later) and the ports clear again.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I’m not about to mess with PBX any more than I have
to, so without “fixing” the PBX, how can I adapt the CUCM to be
smarter with specific number overlaps?<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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