Have you upgraded to SU2 with the cop file patch applied? If not, go ahead
and upgrade to SU3 and that should solve your issue.
Possibly issue CSCtt28877:
http://www.cisco.com/web/software/280840578/90779/RN_UCCX_851_SU3.pdf
HTH
Tanner Ezell
www.ctilogic.com