Instruction manual
MERLIN II Communications System R3
Issue 9 May 2003
8-19
MERLIN II Communications 
System R3
MERLIN MAIL Voice Messaging System
The MERLIN MAIL Voice Messaging System provides the Automated Attendant 
feature. Follow all recommendations for protecting the MERLIN MAIL Voice 
Messaging System in Chapter 7
. In addition, make sure that automated attendant 
selector codes do not permit outside line selection.
MERLIN Attendant
To help secure MERLIN Attendant against toll fraud, do the following:
■ Administer the lowest valid extension number (Lowest Extension) and the 
highest valid extension number (Highest Extension) for the range of valid 
extensions. Transfer attempts to extensions that fall outside the range will 
be disallowed.
■ Administer the maximum number of digits in the extension to match the dial 
plan.
■ Change the default system password.










