多项选择题
A.Messaging Implementation
B.Rich Media Implementation
C.Personal Assistant Implementation
D.Auto Attendant Implementation
E.Call Control Implementation
单项选择题 WhichservicecomponentincludespreparingfortheCiscoUnifiedCommunicationscustomerdemonstrationsandpresentinganoverviewoftheapplicablesolutions（）
单项选择题 WhichphaseincludestheactivityofassistingthecustomertomonitortheirCiscoUnifiedCommunicationssystemperformanceandtorespondtotroublereports（）
多项选择题 WhichofthefollowingthreeservicerequirementsareincludedintheCiscoUnifiedCommunicationsoptimizephase（）