Hi, I have client on CUCM 7.1.5.33051-1 (ES version) and the 7.1.5b SU4 release notes state a upgrade from any 7.1(5)es from 7.1.5.11001-6 to 7.1.5.33046-1.is supported for the SU4 update. Does anyone know if upgrading this 7.1.5.33051-1 release to SU4 is OK? Erick