
MERLIN LEGENDCommunications System Release 6.1 | Issue 1 |
System Planning | August 1998 |
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ACustomer Support Information
Toll Fraud Prevention | Page |
■In Release 3.1 and later systems, default local and default toll tables are
■Each extension should be assigned the appropriate FRL to match its calling requirements. All voice mail port extensions not used for Outcalling should be assigned to FRL 0 (the default setting in Release 3.1 and later).
■Deny access to pooled facility codes by removing pool
■Create a Disallowed List or use the
If Outcalling is required by voice messaging system extensions:
■Program an ARS FRL of 2 on voice mail port extension(s) used for Outcalling.
■If 800 and 411 numbers are used, remove 1800, 800, 411, and 1411 from Disallowed List number 7.
■If Outcalling is allowed to
Additional general security for voice messaging systems:
■Use a secure password for the General Mailboxes.
■The default administration mailbox, 9997, must be reassigned to the system manager’s mailbox/extension number and securely password protected.
■All voice messaging system users must use secure passwords known only to the user.