Lucent Technologies Octel Unified Messenger Concepts and Planning Guide 101-1620-005 User Manual
Page 79

Connecting with the PBX and establishing security rules
101-1620-005
6-5
The administrator can also enable password expiration that forces
subscribers to change passwords at predetermined time intervals.
Changing passwords periodically reduces the chances of an unauthorized
user gaining access to a subscriber’s mailbox.
Table 6-1.
Probability of guessing password
Number of digits in the
password
Odds of correctly guessing the
password
1
1 in 9
2
1 in 90
3
1 in 900
4
1 in 9,000
5
1 in 90,000
6
1 in 900,000
7
1 in 9,000,000
8
1 in 90,000,000
9
1 in 900,000,000
10
1 in 9,000,000,000
11
1 in 90,000,000,000
12
1 in 900,000,000,000
13
1 in 9,000,000,000,000
14
1 in 90,000,000,000,000
15
1 in 900,000,000,000,000