Polycom G7500 Reference Manual page 75

The minimum number of characters required for a valid password.
Off (default)
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sec.auth.admin.room.password.numCount
The minimum amount of numbers required for a valid password.
Off (default)
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2
All
sec.auth.admin.room.password.rejectPrevPassword
The number of most recent passwords that cannot be reused. If set to "Off", all previous
passwords are valid.
Off (default)
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Polycom, Inc.
Security Parameters
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