Technical information

Contents
viii Issue 7 June 2001
Protecting Remote Access 5-12
Security Tips 5-12
Protecting Remote System Programming 5-14
Security Tips 5-14
Protecting Remote Call Forwarding 5-15
 MERLIN LEGEND/MAGIX Toll Fraud 5-15
Why Toll Fraud happens 5-15
Tool Fraud Warning Signs 5-15
TIPS to Prevent Toll Fraud 5-16
Responsibility 5-17
Programming Tools to Prevent Fraud 5-17
Security of Your System: Preventing Toll Fraud 5-17
Toll Fraud Prevention 5-19
Physical Security, Social Engineering, and
General Security Measures 5-19
Security Risks Associated with Transferring
through Voice Messaging Systems 5-21
Security Risks Associated with the Automated
Attendant Feature of Voice Messaging Systems 5-22
Security Risks Associated with the Remote
Access Feature 5-24
Other Security Hints 5-24
Detecting Toll Fraud 5-26
Magix R1.5: Allowed Lists Enhancements 5-28
Legend thru Magix R1 Automatic Route Selection 5-30
Magix R1.5 Automatic Route Selection
Enhancements 5-30
Magix R1.5: Wild Card Characters in ARS 6-Digit
Tables 5-34
Magix R1.5: Disallowed Lists Enhancements 5-35
Loop-Start Reliable Disconnect 3 5-36
Disconnect Signaling Reliability 3 5-37
Marked System Speed Dial 5-37
Night Service 5-37
Remote Access 5-39
Trunk to Trunk Transfer 5-41
Toll Fraud Investigation: Disallow List Information 5-41
General Information 5-41
Standard Disallow list entries 5-42
QUESTIONS TO ASK THE CUSTOMER 5-43
LEGEND/MAGIX Toll Fraud at a Glance 5-44