In Avaya IXTM Messaging High Availability, VSN is designed to support up to how many SIP ports?
A. 150
B. 100
C. 120
D. 220
Reference: http://www.esna.com/services/education/IX_Messaging_10_8/TOG/RH5_IXM_TOG/IXM_TOG_System_Requirements/IXM_TOG_System_Requirements.htm