Avaya 11-300244 Manuel D’Utilisation
Avaya Modular Messaging Concepts and Planning Guide
13-16
November 2004
Avaya Modular Messaging Concepts and
Planning Guide
Storage planning
Table 13-6 provides a calculator for storage planning.
Total storage requirements
Total daily storage (MB)
—
0.388
1.848
Average retention period (days)
10
—
—
Total message store requirement
(MB)
(MB)
—
3.88
18.48
E-mail storage allocation
Current e-mail storage
allocation per subscriber (MB)
allocation per subscriber (MB)
50
—
—
Percentage of current e-mail
allocation for voice-mail
allocation for voice-mail
—
7.76%
36.96%
Table 13-5. Storage capacity calculation example
Assumptions per subscriber
GSM
encoding
encoding
G.711
encoding
encoding
Table 13-6. Storage planning
Assumptions
GSM
G.711
Assumptions per subscriber
Subscribers
5,000
Call Answer messages per day
4
Average duration of Call Answer messages
30 seconds
47 KB
234 KB
Fax messages per day
0.05
A length of fax messages
3 pages
240 KB
240 KB
Local messages sent
1
Network messages sent
0.04
Local messages received
1
Network messages received
0.06
Average message length
60
95 KB
469 KB
Average retention period
2 days
Message Store (1=MSS, 0 = E-mail)
1