Hi!I am new to forum and this is my first post regarding UC520. My UC520 was configured with CCA 3.2.2 and this is my first setup of cisco PBX.Software pack on UC520 is:SoftwarePackReleaseTimeframeIOSCMECUECompatibleCCA8.6.12012-NOV15.1(4)M58.68.6.53...