Check it out, if you have specified the the card type. You need to to specify it first..
--------------------------------------------------------------------------------------------------------------
A sample config ::
config t
Card type t1 2 1
Now the controllers show up:
controller T1 2/0
controller T1 2/1
controller T1 2/0
pri-group timeslots 1-24 service mgcp
controller T1 2/1
pri-group timeslots 1-24 service mgcp
interface Serial2/0:23
isdn bind-l3 ccm-manager
interface Serial2/1:23
isdn bind-l3 ccm-manager
-----------------------------------------------------
The 2951 does support the pri-group with 15.1 IOS.