<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Verdana; font-size: 10pt; color: #000000'>Sometimes a non-routable pattern is the only way to prevent a number from being dialed because it's easier to allow a broad range and deny a small range.<br><br>For example, you allow access to the whole 416 area code except a certain number that rings the competition or something like that.<br><br>Also, when you're using the device/line approach, this becomes key to your dial plan.<br><br>One hint that I got from an old PBX guy - when doing "blocking" routing patterns, be sure to use a null route group. That way, if for whatever reason that little tick box becomes unchecked or if a bug hits that ignores the do not route settings it will still fail. <br><span><br><span name="x"></span>---<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>Cooking with unix is easy. You just sed it and forget it. <br> - LFJ (with apologies to Mr. Popeil)<br><span name="x"></span><br></span><br><hr id="zwchr"><b>From: </b>"Gregory Wenzel" <gwenzit@gmail.com><br><b>To: </b>cisco-voip@puck.nether.net<br><b>Sent: </b>Thursday, October 28, 2010 4:27:12 PM<br><b>Subject: </b>[cisco-voip] Transformation calling and called Group Question<br><br><div>Can someone enlighten me to why a non routable pattern such as called transformation or calling transformation patterns are useful and for what is the real purpose. </div>
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<div>Im diging for my cvoice book cant find it..hope some of you experts can shed some light or point me in right direction.</div>
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<div>TIA</div>
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