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Home > Getting Started > Concepts and Features > AMIS Analog Networking > AMIS Planning and Design > Security Considerations for AMIS
| Security Considerations for AMIS
Because the AMIS Analog Networking and/or Message Delivery features use the PBX's analog lines to transmit messages, verify that the class of restriction (COR) assigned to the local system's voice ports supports outcalling, or these features will not work. For example, to protect against possible toll fraud, the local system's voice ports might be restricted from accessing 2-way or outgoing trunk groups. The COR for the messaging system might need to be altered to allow the AMIS Analog Networking, Message Delivery, and Outcalling features to work. If left completely unrestricted, however, the AMIS Analog Networking and/or Message Delivery features could allow local messaging users to send messages to any valid telephone number worldwide. Consequently, the system administrator must use judgment when administering the AMIS Analog Networking and/or Message Delivery features. For example: To minimize exposure to unauthorized long distance calls, it is recommended that the AMIS Analog Networking and Message Delivery features be restricted to sending messages to remote machines or telephone numbers located in specific calling areas or at the specific destinations needed to conduct business. Additionally, the system administrator can use the Message Sending Restrictions feature to limit the use of the AMIS Analog Networking and/or Message Delivery features to only those subscribers who have a need to use it. The Message Sending Restrictions feature can also be used to limit AMIS Analog Networking and/or Message Delivery calls to specified remote machines (numbers) or user communities. This feature can be overridden for specific subscribers if needed. For more information about messaging security, see Security. Customers are responsible for administering their INTUITY system to prevent subscribers from sending unauthorized long distance AMIS Analog Networking or Message Delivery messages. Remote systems can be administered so that subscribers can send messages to messaging systems anywhere in the world, only to specific countries, only to domestic systems, only to specific domestic area codes, only locally, or only to specific destinations. The customer is also responsible for administering the messaging system and associated passwords to prevent unauthorized users from accessing subscriber mailboxes and sending unauthorized AMIS Analog Networking or Message Delivery messages. ### Top of page

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