How many users are supported on Avaya IXTM Messaging 10.8 on Single Server?
A. 4,500
B. 4,800
C. 4,600
D. 4,200
Reference: http://www.esna.com/services/education/IX_Messaging_10_8/TOG/RH5_IXM_TOG/IXM_TOG_System_Requirements/IXM_TOG_System_Requirements.htm