Appendix A: Customer Support Information

Toll Fraud Prevention

Toll fraud is the unauthorized use of your telecommunications system by third parties to make long-distance telephone calls. Under the law, you, the customer, are responsible for paying part or all of those unauthorized calls. Thus, the following information is of critical importance.

Unauthorized persons concentrate their activities in two areas with the MERLIN MAGIX Integrated System:

• They try to transfer out of the MERLIN MAGIX Integrated System to gain access to an outgoing trunk and make long-distance calls.
  
  
• They try to locate unused or unprotected mailboxes and use them as drop-off points for their own messages.

The following is a discussion of how toll fraud is often perpetrated and ways to prevent unauthorized access that can lead to toll fraud.

Topics
	Support Telephone Number
	Federal Communications Commission (FCC) Electromagnetic Interference Information
	Canadian Department of Communications (DOC) Interference Information
	FCC Notification and Repair Information
	Installation and Operational Procedures
	DOC Notification and Repair Information
	Renseignements sur la Notification du Ministère des Communications du Canada et a Réparation
	Security of Your System: Preventing Toll Fraud
	Toll Fraud Prevention
	Physical Security, Social Engineering, and General Security Measures Security Risks Associated with Transferring through Voice Messaging Systems Security Risks Associated with the Automated Attendant Feature of Voice Messaging Systems Security Risks Associated with the Remote Access Feature
	Other Security Hints
	Educating Users Educating Operators Detecting Toll Fraud Establishing a Policy Choosing Passwords Physical Security Limiting Outcalling
	Limited Warranty and Limitation of Liability
	Remote Administration and Maintenance