Take your pick between 9.@ with Route Filters or statically defining specific 
9.1[2-9]XX[2-9]XXXXXX  types of patterns.  That can be a discussion too.  Both 
ways would work, each way has its own pros and cons and also take into account 
your level of troubleshooting each way.  Some people don't like route filters.  
Plus, I believe there is a limited number of clauses you can have in route 
filters (not sure how many though).

Thanks,
Kevin

From: Robert McGhee [mailto:bobwmcg...@verizon.net]
Sent: Friday, August 14, 2009 10:03 AM
To: Kevin Damisch; ccie_voice@onlinestudylist.com
Subject: RE: [OSL | CCIE_Voice] 11 digit local and LD issue

How about using route filters...

________________________________
From: ccie_voice-boun...@onlinestudylist.com 
[mailto:ccie_voice-boun...@onlinestudylist.com] On Behalf Of Kevin Damisch
Sent: Friday, August 14, 2009 10:06 AM
To: ccie_voice@onlinestudylist.com
Subject: [OSL | CCIE_Voice] 11 digit local and LD issue

This isn't from the workbooks, but hopefully good discussion.  If you are 
designing a dial plan where the PSTN requires 11 digits for both local and LD, 
what have some of you done to apply calling restrictions so that certain phones 
(lobby, breakroom, etc.) can only dial local calls.  We don't want to use any 
long distance access codes such as FAC or PSTN codes.  We are looking at using 
the Line/Device approach with local route groups.  The only way I see it is to 
know of every area code/prefix that is considered local to that site, then 
create route patterns based off of those.  This would be tedious work as new 
prefixes could get added and you may not know about them.

Thanks,
Kevin

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