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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Hi,<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>I&#8217;m
going to try and explain this as best I can.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>We
have Call Manager 7 cluster in a centralised call processing model with 9
satellite sites.&nbsp; All outbound calls from each site breakout locally to
that site, be it via ISDN BRI or PRI.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Each
route list for each site has a send entry for another site.&nbsp; In the event
local outbound calls fail, they will go via the WAN and breakout from the other
site.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>On
one site (I&#8217;m worried now that it might be on the other sites as well) I&#8217;ve
been troubleshooting for a while now an issue whereby when only one channel of
a BRI is being used, all the rest of the out bound calls start going out
through the other site, even though there is a second channel on the active BRI
and 2 other BRI (4 channels) available.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Removing
the backup paths from the route list and using a single BRI I started debugging
and came to the conclusion that the second channel wasn&#8217;t being utilised
but after some more digging I realised that I was getting &#8220;Not Enough
Bandwidth&#8221; when a second call was attempted.&nbsp; This pointed me at
Call Admission Control.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>The
site in question only has a 128k link into it, and I have the location bandwidth
set accordingly.&nbsp; But when I up the bandwidth allocation or set it to
unlimited for that location, calls start going out on all BRI&#8217;s &nbsp;no problem.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Now
I&#8217;m confused &#8211; I thought the CAC only tracked calls between
locations, deducting bandwidth accordingly.&nbsp; But for some reason, it&#8217;s
deducting 64K (an ISDN channel) from this locations bandwidth allocation, even
though the call is breaking out locally.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>I&#8217;d
appreciate anyone&#8217;s help on this.&nbsp; I don&#8217;t know yet if it&#8217;s
just this site, I&#8217;m going to start testing when I send this mail.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Thanks
in advance,<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Neil<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p>&nbsp;</o:p></span></p>

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