
| MERLIN LEGEND Communications System Release 6.1 | Issue 1 | 
| Network Reference  | August 1998 | 
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ACustomer Support Information
| Other Security Hints | Page  | 
| Establishing a Policy | 1 | 
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As a safeguard against toll fraud, follow these guidelines for your MERLIN
LEGEND Communications System and voice messaging system:
■Change passwords frequently (at least quarterly). Changing passwords routinely on a specific date (such as the first of the month) helps users to remember to do so.
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Always use the 
Establish 
Limit the number of invalid attempts to access a voice mailbox to five or less.
■Monitor access to the MERLIN LEGEND Communications System 
■Create a communications system management policy concerning employee turnover and include these suggestions:
—Delete all unused voice mailboxes in the voice mail system.
—If a terminated employee had Remote Access calling privileges and a personal authorization code, remove the authorization code immediately.
—If barrier codes and/or authorization codes were shared by the terminated employee, these should be changed immediately.
■Regularly back up your MERLIN LEGEND Communications System files to ensure a timely recovery should it be required. Schedule regular, 
■Keep the Remote Maintenance Device turned off when not in use by Lucent Technologies or your authorized dealer.
■Limit transfers to registered subscribers only.
■Use the Security Violations Notification options (Mailbox Lock or Warning Message) to alert you of any mailbox 
■Review security policies and procedures and keep them up to date.
