What is the maximum number of agents supported for CCM co-resident installations?（）

A.orders for coresident deployments  
B.orders for adding more seats  
C.orders for upgrading from standard  
D.orders with less than five seats  
E.all orders require using the IPCC Express Configuration and Ordering Tool 

A.IPC Resource Calculator  
B.CTI Port Calculator 
C.Configuration and Ordering Tool  
D.CRS Applications Administration