Dialing Restrictions Summary

While procedures that restrict dialing are very effective, absolute protection against misuse cannot be guaranteed. PARTNER phones give more protection than standard phones. Therefore, we strongly recommend that you install PARTNER phones where restricting phone use is important.

The PARTNER Plus system includes several ways to restrict dialing from individual extensions. This appendix discusses the dialing restrictions and ways to override the restrictions. The system programming procedures necessary to set the restrictions are also included.

In general, you can restrict all outside dialing from an extension or allow outside dialing with varying limitations. These limitations may be as simple as preventing calls to a specific phone number through a Disallowed Phone Number List. Or they may be as complex as combining Allowed Phone Number Lists, Disallowed Phone Number Lists, and Outgoing Call Restrictions to allow a user to call just the numbers he or she needs for business. All of the restrictions work on a per extension basis so you can tailor the restrictions to your users.

This appendix is designed to give you information about the restrictions and how they interact. As you decide on the restrictions to assign users, be careful not to make them too tight or too loose. And remember, you can change them at any time through system programming.

No Outside Line Access

Three programming procedures prevent an extension from ever dialing out on a specific line. Two of them work by not assigning the line (or lines) to the extension. The third restricts the type of calls that can be placed on the line. These restrictions cannot be overridden.

■#301—Line Assignment. Using this procedure, you can selectively assign lines to extensions. To prevent an extension from having access to a line, unassign it.

■#302—Line Use Restriction. Using this procedure, you can restrict the type of calls allowed on a line assigned to an extension. A line can be unrestricted (that is, any type of call is allowed), restricted to making “outgoing calls only,” restricted to receiving “incoming calls only,” or restricted to “no access. ”

If you restrict a line on an extension to incoming calls only, the user cannot select the line to dial out at all (even numbers on the Emergency Phone Number List or Marked System Speed Dial numbers). If a line is unrestricted or restricted to outgoing calls only, use the restrictions discussed in the rest of this appendix to restrict dialing.

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AT&T MLS-12DTM, MLS-12TM, MLS-6TM manual Dialing Restrictions Summary, No Outside Line Access
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MLS-12DTM, MLS-12TM, MLS-6TM, MLS-12D specifications

The AT&T MLS-12 and MLS-12D are advanced mobile communication solutions designed to meet the demands of modern businesses and organizations. These systems are known for their robust performance and reliability, making them ideal for various sectors including public safety, transportation, and industrial applications.

One of the main features of the MLS-12 is its strong emphasis on voice clarity and audio quality. The system is integrated with cutting-edge noise reduction technologies that ensure clear communication even in noisy environments. This is particularly important for users operating in the field, where ambient noise can significantly impact radio communications.

The MLS-12D, on the other hand, enhances the capabilities of the standard MLS-12 by incorporating digital technologies that allow for advanced data services alongside voice communications. This dual functionality is critical in today's fast-paced environment, where instant access to information can streamline workflows and enhance decision-making processes. Users can send and receive text messages, access applications, and share data in real time, all while maintaining high-quality voice communications.

Both models feature an intuitive user interface designed for ease of operation, enabling quick access to essential functions. They are equipped with durable hardware built to withstand harsh conditions, ensuring operational reliability in environments where traditional communication systems may falter.

In terms of connectivity, the MLS series supports various frequency bands and communication protocols, making it versatile and compatible with multiple networks. This flexibility allows organizations to tailor their communication systems to fit unique operational requirements, further enhancing productivity.

Security is a significant concern in any communication system, and the AT&T MLS-12 and MLS-12D address this with advanced encryption technologies that safeguard voice and data transmissions. This feature is crucial for sectors that handle sensitive information, as it helps protect against unauthorized access and data breaches.

In conclusion, the AT&T MLS-12 and MLS-12D stand out as formidable choices for organizations looking to enhance their communication capabilities. With their emphasis on audio quality, advanced data services, user-friendly interfaces, robustness, and security, these devices are well-equipped to meet the evolving demands of modern communication in various industries.
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