Instruction manual

Contents
Issue 9 May 2003 13
Toll fraud prevention 6-19
Physical security, social engineering, and
general security measures 6-19
Security risks associated with transferring
through voice messaging systems 6-21
Security risks associated with the Automated
Attendant feature of voice messaging systems 6-22
Security risks associated with the Remote
Access feature 6-24
Other security hints 6-24
Detecting toll fraud 6-26
Magix R1.5: allowed lists enhancements 6-28
Legend through Magix R1 automatic
route selection 6-30
Magix R1.5 automatic route selection
enhancements 6-30
Magix R1.5: Wildcard characters in ARS 6-digit
tables 6-33
Magix R1.5: Disallowed lists enhancements 6-34
Loop-start reliable disconnect 3 6-35
Disconnect signaling reliability 3 6-36
Marked system speed dial 6-36
Night service group assignment 6-36
Remote Access feature 6-38
Trunk-to-trunk transfer 6-40
Toll fraud investigation: disallow list information 6-40
General information 6-40
Standard disallow list entries 6-41
Questions to ask the customer 6-42
LEGEND/MAGIX toll fraud at a glance 6-43
MERLIN Mail/MERLIN LEGEND Mail/MERLIN
messaging toll fraud at a glance 6-45
LEGEND/MAGIX toll fraud check list 6-45
■ MERLIN Plus Communications System 6-59
Protecting remote line access (R2 only) 6-59
Security tips 6-59
Protecting remote call forwarding (R2 only) 6-60
■ PARTNER II Communications System 6-61