AT&T MLS-12DTM, MLS-12TM, MLS-6TM manual Outside Dialing Allowed

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Outside Dialing Allowed

Calls Always Allowed

Night Service

Restrictions

Limited Outside

Dialing

When an extension is allowed access to an outside line, several dialing restric- tions can apply. First, regardless of other restrictions, some types of calls are always allowed. Second, you can restrict dialing after normal business hours through Night Service. Finally, you can limit dialing through Allowed Phone Number Lists, Disallowed Phone Number Lists, and outgoing Call Restrictions.

Three types of calls are always allowed:

#406-Emergency Phone Numbers. A number on the Emergency List is always allowed.

Marked System Speed Dial Numbers. System Speed Dial Numbers pro- grammed with a star (*) are always allowed. Unmarked System Speed Dial Numbers are allowed only if they meet the other restrictions listed in the fol- lowing two sections.

#403-System Password Entered Before Dialing. Phone numbers dialed after entering the system password are always allowed.

There are two types of Night Service: without the system password and with the system password. Night Service without a password has no additional effect on dialing restrictions. Night Service with a password places additional dialing res- trictions on the members of the Night Service Group. Use procedures #503 (Night Service Button) and #504 (Night Service Group) to program Night Ser- vice. Use procedure #403 (System Password) to assign a password.

When Night Service with a password is on, extensions in the Night Service . Group are prevented from dialing all numbers except:

Emergency Numbers

Marked System Speed Dial Numbers

Phone numbers dialed after entering the System Password.

During normal operation or when Night Service is on without a password, dialing can be restricted by these additional procedures:

#407 and #408 Allowed Phone Number Lists. A user can dial a number on an Allowed Phone Number List assigned to the extension. Allowed Phone Number Lists override Disallowed Phone Number Lists (#404) and Outgoing Call Restrictions (#401) but not Night Service with a password.

#404 and #405-Disallowed Phone Number Lists. A user cannot dial a number on a Disallowed Phone Number List assigned to the extension, unless it is an Allowed Phone number, an Emergency Phone number, or a Marked System Speed Dial number.

B-2 Dialing Restrictions Summary

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Contents AT&T Copyright 1990 AT&T All Rights Reserved Issue October Contents Page Product Safety Labels How to Use This GuideAbout This Guide How to Comment on This Guide Reference MaterialsSystem Components Specifications Partner TeIephones Control UnitOther Equipment An Example System Setup Example System SetupSystem Components and Specifications Specifications Technical and Environmental Specifications Grounding to comply with Underwriters Laboratories ULInstalling the Hardware General Guidelines Installing the Control Unit Mount the Backplane on a WallInstalling the Hardware Installing Telephones and Other Equipment Press and hold # button for 5 secondsWall Mounting a Partner Telephone Removing a Module Replacing a ModuleSystem Programming Alphabetic List of Procedures Programming Extension Programming MethodsProgramming Overlay Programming Overlay General Instructions System Date Programming ProceduresSystem Day System Time Number of LinesTransfer Return Rings PBX Dial-Out Code Code #105Code #106 ConsiderationRecall Timer Duration Code #107Code #108 Rotary Dialing Time out Outside ConferenceCode #109 Dial Mode Code #201Line Type Code #202Hold Disconnect Time Code #203Code #301 Line AssignmentValid Entries 1 = Assigned Code #302 Line Use RestrictionValid Entries 1 = Code #303 Display LanguageValid Entries 1 = English Automatic Privacy Code #304Abbreviated Ringing Code #305Copy Settings Outgoing Call Restrictions Code #401Toll Call Prefix System Password Code #402Code #403 Valid Entries Any 4 digitsDisallowed Phone Number Lists Code #404Prevents all ca!ls to area code Disallowed List Assignment Code #405Emergency Phone Number List Code #406Code #407 Allowed Phone Number ListsCode #408 Pickup Group Extensions Code #501Calling Group Extensions Code #502Code #503 Night Service ButtonProgramming Notes Night Service Group Code #504Fax Machine Extensions Code #601Code #602 Music On HoldValid Entries 1 = Active Hotline Code #603Doorphone 2 Extension Code #605 Doorphone 1 ExtensionCode #604 Doorphone Alert Extensions Code #606System Reset Programming Saved System Speed Dial Numbers Code #728Press Feature 0 0 . The display reads Enable Function Button Display Description and Example PauseRecall StopCentralized Telephone Programming Personal Speed Dial Numbers Overview Buttons and Labeling Sheets for Partner Phones Automatic Line Selection To exit Automatic Line Selection, press the star * twiceLine Ringing Options Valid Entries Immediate ringPersonal Speed Dial Numbers Auto Dial Numbers Do Not Disturb Feature CodeExclusive Hold Save Number Redial RecallLast Number Redial Conference Drop Touch-Tone Enable PrivacyMessage Light On Message Light Off Call Pickup Pickup GroupLoudspeaker Paging Calling Group Programming for Operation Behind PBX or Centrex Programming Method aProgramming Method B No Outside Line Access Dialing Restrictions SummaryOutside Dialing Allowed Dialing Restrictions An Example Dial 1 201 Dial 1 800FCC Information Page Index Hotline #603, 3-31programming for, 2-1standard phone used as I i Wires, connecting, 2-2to 2-3Wiring specifications, 1-5,2-1 O g r a m m i n g Quick Reference System Programming Programming Quick Reference Issue 2, October
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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.