Lucent Technologies Octel Unified Messenger Concepts and Planning Guide 101-1620-005 - Manual (Page 34)

Octel Unified Messenger Concepts & Planning Guide
2-8 101-1620-005
Total estimated port
requirements To summarize, when sizing the number of total ports required for any
given server to provide a desired GOS, the following factors must be
considered.
n Estimated total busy hour offered traffic generated by both
internal and external callers.
n Estimated total busy hour offered traffic generated by all
applications, including those that place outgoing calls.
A system planner should allow for a safety or growth factor of 5% to 15%
when sizing the initial implementation.