Everyone's given you exactly what you need, but I thought I might add that the basic premise of corlists are that the inbound corlist must contain members that are equal to, or a superset of, the members on the outgoing corlist. 
Think of it like doors with locks and keyrings with keys. You must have a keyring on your inbound that has at least one key for each lock on your outbound door. Also important to the analogy is that whenever you have buy a lock, the key comes with it. This makes the entities in this analogy both keys and locks in their naming, and they become keys if used in a keyring, and locks if used on a door. Again, this is just an analogy and these are just naming conventions, and nothing is actually changing per se, this is just a way to remember things. 
Here is an illustration:
!! First define your key-lock pairs
!
dial-peer cor custom
  name Key-Lock-LOCAL
!
dial-peer cor custom
  name Key-Lock-NATIONAL
!
!! Next define your Doors and apply locks
dial-peer cor list Door-LOCAL
  member Key-Lock-LOCAL
!
dial-peer cor list Door-NATIONAL
  member Key-Lock-NATIONAL
!
!! Next define your Keyrings and apply keys
dial-peer cor list Keyring-LOCAL
  member Key-Lock-LOCAL
!
dial-peer cor list Keyring-NATIONAL
  member Key-Lock-LOCAL
  member Key-Lock-NATIONAL
!
!! Next assign Doors to your outbound dial peers
dial-peer voice 10 pots
  destination-pattern .......
  corlist outgoing Door-LOCAL
!
dial-peer voice 11 pots
  destination-pattern ...........
  corlist outgoing Door-NATIONAL
!
!! Finally handout Keyrings to your phones so that as they make calls in they can use their keys to open locks on the outbound doors!
ephone  1
 cor incoming Keyring-LOCAL
!
ephone  1
 cor incoming Keyring-NATIONAL
!
Rinse and repeat as needed for desired outcome. 
Kind Regards,
Mark Snow, CCIE #14073
(Voice, Security)
Instructor
INE.com
On Jul 31, 2012, at 6:14, Iam Here <go_soon2010_at_hotmail.com> wrote:
> Thanks Jordan
> 
>> From: zdh1207_at_gmail.com
>> Date: Tue, 31 Jul 2012 16:41:48 +0800
>> Subject: Re: COR on CME Question
>> To: kapilatrish_at_hotmail.com
>> CC: go_soon2010_at_hotmail.com; ccielab_at_groupstudy.com
>> 
>> Try this,
>> 
>> dial-peer cor custom
>>  name managerl_PT
>> !
>> dial-peer cor list manager_CCS
>> member manager_PT
>> !
>> ! the manager's IP phone
>> ephone 2
>>    cor outcoming managerl_CCS
>> ! the office boy's IP phone
>> ephone 3
>>    cor incoming (other than manager_CCS
>> 
>> Jordan
>> 
>> 2012/7/31 Kapil Atrish <kapilatrish_at_hotmail.com>
>> 
>>> It's the same concept,  but here, you need COR applied on both sides with
>>> no
>>> overlapping members in it to prevent calling.
>>> 
>>> If COR is not applied at either side, everything is allowed.
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> From: go_soon2010_at_hotmail.com
>>> To: rwest_at_zyedge.com
>>> CC: kapilatrish_at_hotmail.com; ccielab_at_groupstudy.com
>>> Subject: RE: COR on CME Question
>>> Date: Tue, 31 Jul 2012 02:56:53 +0300
>>> 
>>> 
>>> 
>>> 
>>> Thank you very much . But what about if I want the office boy IP phone to
>>> not
>>> be able to call the Manager Ip Phone
>>> I mean to prevent certain Internal IP phone to call another Internal IP
>>> Phone
>>> .
>>> In the CUCM We can use Partitions and CSS but I don't know how we can do
>>> that
>>> in the CME
>>> 
>>> 
>>> 
>>>> From: rwest_at_zyedge.com
>>>> To: go_soon2010_at_hotmail.com
>>>> CC: kapilatrish_at_hotmail.com; ccielab_at_groupstudy.com
>>>> Subject: Re: COR on CME Question
>>>> Date: Mon, 30 Jul 2012 23:49:08 +0000
>>>> 
>>>> He just showed you. Create a Cor list not attached to a dial peer and
>>> them
>>> they cannot dial out.
>>>> 
>>>> Sent from handheld
>>>> 
>>>> On Jul 30, 2012, at 7:15 PM, "Iam Here" <go_soon2010_at_hotmail.com> wrote:
>>>> 
>>>>> I appreciate your support but I didn't understand the Idea (I am not
>>> Voice
>>> Expert )
>>>>> For example where should I use corlist outgoing out_Internal command ?
>>>>> 
>>>>> 
>>>>> From: kapilatrish_at_hotmail.com
>>>>> To: go_soon2010_at_hotmail.com; ccielab_at_groupstudy.com
>>>>> Subject: RE: COR on CME Question
>>>>> Date: Mon, 30 Jul 2012 23:06:07 +0000
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> Leaving all the previous configs intact, add this on top and give it a
>>> try,
>>>>> 
>>>>> 
>>>>> 
>>>>> dial-peer cor custom
>>>>> name Internal_PT
>>>>> 
>>>>> !
>>>>> 
>>>>> dial-peer cor list Internal_CCS
>>>>> member Internal_PT
>>>>> 
>>>>> !
>>>>> 
>>>>> ephone 2
>>>>> 
>>>>> cor incoming Internal_CCS
>>>>> !
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> From: go_soon2010_at_hotmail.com
>>>>> To: kapilatrish_at_hotmail.com; ccielab_at_groupstudy.com
>>>>> Subject: RE: COR on CME Question
>>>>> Date: Tue, 31 Jul 2012 01:54:58 +0300
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> Here's the config
>>>>> ============
>>>>> dial-peer cor custom
>>>>> name Loc_PT
>>>>> name Nat_PT
>>>>> 
>>>>> dial-peer cor list out_Loc
>>>>> member Loc_PT
>>>>> 
>>>>> dial-peer cor list out_Nat
>>>>> member Nat_PT
>>>>> 
>>>>> dial-peer cor list in_Loc_CCS
>>>>> member Loc_PT
>>>>> 
>>>>> dial-peer cor list in_Loc_Nat_CCS
>>>>> member Loc_PT
>>>>> member Nat_PT
>>>>> 
>>>>> dial-peer voice 10 pots
>>>>> description Local
>>>>> corlist outgoing out_Loc
>>>>> 
>>>>> dial-peer voice 11 pots
>>>>> description National
>>>>> corlist outgoing out_Nat
>>>>> 
>>>>> 
>>>>> ephone 1 (Manager)
>>>>> cor incoming in_Loc_Nat_CCS
>>>>> 
>>>>> ephone 2 (Office Boy)
>>>>> 
>>>>> 
>>>>> 
>>>>> I'd like to configure ephone 2 to call Internal calls only not Local
>>> neither National Patterns
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>>> From: kapilatrish_at_hotmail.com
>>>>>> To: go_soon2010_at_hotmail.com; ccielab_at_groupstudy.com
>>>>>> Subject: RE: COR on CME Question
>>>>>> Date: Mon, 30 Jul 2012 22:39:08 +0000
>>>>>> 
>>>>>> This is pretty simple, I've done it many times.
>>>>>> 
>>>>>> Give it a try and if doesn't work shoot me your configs, I may be
>>> able to
>>> help
>>>>>> you.
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>>> From: go_soon2010_at_hotmail.com
>>>>>>> To: kapilatrish_at_hotmail.com; ccielab_at_groupstudy.com
>>>>>>> Subject: RE: COR on CME Question
>>>>>>> Date: Tue, 31 Jul 2012 00:29:40 +0300
>>>>>>> 
>>>>>>> I read it before and I cluldn't find a method to allow the user to
>>> call
>>> the
>>>>>> internal DNs only and prevent him from using the PSTN
>>>>>>> 
>>>>>>>> From: kapilatrish_at_hotmail.com
>>>>>>>> To: go_soon2010_at_hotmail.com; ccielab_at_groupstudy.com
>>>>>>>> Subject: RE: COR on CME Question
>>>>>>>> Date: Mon, 30 Jul 2012 21:22:53 +0000
>>>>>>>> 
>>>>>>>> Here is how you can do that:
>>>>>>>> 
>>>>>>>> 
>>>>>> 
>>> 
>>> http://www.cisco.com/en/US/tech/tk652/tk90/technologies_configuration_example
>>>>>>>> 09186a008019d649.shtml
>>>>>>>> 
>>>>>>>> 
>>>>>>>> 
>>>>>>>> 
>>>>>>>> 
>>>>>>>>> From: go_soon2010_at_hotmail.com
>>>>>>>>> To: ccielab_at_groupstudy.com
>>>>>>>>> Subject: COR on CME Question
>>>>>>>>> Date: Mon, 30 Jul 2012 22:01:35 +0300
>>>>>>>>> 
>>>>>>>>> I'd like to configure COR to prevent users from using the PSTN
>>> (just
>>>>>> allow
>>>>>>>> them to call internal users only )
>>>>>>>>> how can i do that ?
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> Blogs and organic groups at http://www.ccie.net
>>>>>>>>> 
>>>>>>>>> 
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> 
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Received on Tue Jul 31 2012 - 08:44:24 ART
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