Unknown IE 123 (cs6, Unknown Information Element)

HI
I installed the new asterisk 1.4.21.1, I have PRI card, in asterisk I see this error

!! Unknown IE 123 (cs6, Unknown Information Element)
!! Unknown IE 123 (cs6, Unknown Information Element)
!! Unknown IE 123 (cs6, Unknown Information Element)
!! Unknown IE 123 (cs6, Unknown Information Element)
!! Unknown IE 123 (cs6, Unknown Information Element)
!! Unknown IE 123 (cs6, Unknown Information Element)
Unknown IE 123 (cs6, Unknown Information Element)

then the system just stop, and you can’t make any calls

the problem is we using now digium g729 card , we using also a pri card (wctc4xxp module), and the problem startes

our Ip phones use g729 codecs, every ting work for 15 munites then it just stop: showing this messages:

!! Unknown IE 123 (cs6, Unknown Information Element)
!! Unknown IE 123 (cs6, Unknown Information Element)
!! Unknown IE 123 (cs6, Unknown Information Element)
!! Unknown IE 123 (cs6, Unknown Information Element)
!! Unknown IE 123 (cs6, Unknown Information Element)
!! Unknown IE 123 (cs6, Unknown Information Element)
!! Unknown IE 123 (cs6, Unknown Information Element)
!! Unknown IE 123 (cs6, Unknown Information Element)

and you need to reboot the system, please help if any one know this issue