Lucent Technologies Octel Unified Messenger Concepts and Planning Guide 101-1620-005 - Manual (Page 37)

Sizing the system
101-1620-005 2-11
Minimum tracing
server requirements n For systems with up to 2 voice servers: 200 MHz Intel Pentium.
For systems with more than 2 voice servers: 400 MHz Intel
Pentium
n 64 Mbytes RAM.
n Access to a CD-ROM drive to install the software.
n Microsoft Windows NT 4.0 with the latest service pack.
n Microsoft Exchange Client software.
n 2 Gbyte free disk space.