From: Security (security@davidswafford.com)
Date: Tue Feb 05 2008 - 02:27:56 ARST
Hi Kubrat,
You would likely be looking at configuring something called a "Class
Of Restriction" list on your CME router. Search on CCO for COR or
Class of Restriction for detailed configuration of this feature. I'm
using it in a very basic sense so I'll explain what I have
configured. I have a VoIP deployment in my home with a Cisco CME
router with a pots connection to the router. I also have a site-to-
site VPN connected with a friend, who has an IP phone connected to my
CME router via the VPN. I have this odd configuration as we have a
small study group. So I wanted him to be able to call inside
extensions, but not be able to access the outside (POTS) line.
Take a look at the config below to help you get started. You apply a
Class of Restriction to the dial-peer and to the ephone being
restricted. Based on how complex you build this you can pretty much
restrict whatever you'd like. Here's a good resource, though a bit
confusing at first, on the topic: http://www.cisco.com/en/US/docs/voice_ip_comm/cucme/admin/configuration/guide/cmeblock.html#wpmkr1020256
David Swafford.
!
dial-peer cor custom
name AllowedOutboundPSTN
!
!
dial-peer cor list RestrictPSTN
!
dial-peer cor list PermitPSTN
member AllowedOutboundPSTN
!
!
!
dial-peer voice 5 pots
corlist outgoing PermitPSTN
destination-pattern 9
translate-outgoing called 1
port 2/0
!
!
ephone-dn 110
number 110
label David - 110
name David
!
!
ephone-dn 120
number 120
label R & D Lab - 120
name R & D Lab
!
!
ephone-dn 140
number 140
label Chris - 140
description Chris
name Chris
corlist incoming RestrictPSTN
!
!
ephone 1
keypad-normalize
description R & D Lab
mac-address 0030.94C3.F37B
type 7960
button 1:120 2:101
!
!
!
ephone 2
keypad-normalize
description Remote Site VPN - Chris
mac-address 0003.E369.8B2B
type 7940
button 2:140
!
ephone 7
keypad-normalize
description David's Office Phone
mac-address 0008.210F.7EF4
type 7960
button 1:110 2:101
!
On Feb 4, 2008, at 10:23 AM, Kubrat Vapzarov wrote:
> Hello guys,
> A quick question about how to allow/restrict certain phone numbers
> in CME. We have a conference room phone which needs to be able to
> make an emergency and local phone calls only. All the long distance
> and international calls are to be denied. The conference room phone
> is an analog phone connected to the CME router via an analog port.
> Any suggestions on what the config might look like?
>
> Thanks,
> Kubrat
>
>
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