AT&T II - Manual

About This Guide Purpose The system described in this guide consists of premises equipment and Centrex services. Although the terms “premises equipment,” “Centrex services,” and “system” have broader meanings elsewhere, this guide uses those terms to refer specifically to the following definitions: ...

Terminology The following terms are used throughout this guide, and are important for understanding how your system works. In addition, each chapter in this guidebegins with a “Terminology” section that defines key terms used in the chapter. All terms are also defined in the Glossary. Centrex Centre...

How to Use This Guide This guide provides instructions and advice on the following topics: ■ ■ Installation. If you are installing the system for the first time, readChapters 1 and 2 and Appendix D, which provide an overview of the system, instructions for equipment installation, and equipmentspecif...

Before training co-workers, read Appendix B to decide whether tomake intercom calling features available to telephone users. (Theseequipment features require that users know the jack numbers wherelines and extensions are connected to the equipment controller.) Inaddition, panels 6 and 7 of the Quick...

■ MLC-6 Cordless Telephone: Installation and Troubleshooting (999-506-143) explains how to install the MLC-6 cordless telephone and how to solve any problems that might occur when using it with your system. MLC-6 Cordless Telephone Quick Reference: Display and Controls ■ (999-506-146) explains how t...

Overview 1 Contents Terminology 1-1 Using Premises Equipment to Complement Centrex Services 1-3 Primary and Secondary Lines 1-5 Features and Capabilities 1-6 Premises Equipment 1-7 ■ Equipment Controller 1-8 Modules 1-8 Capacity ■ MLS- and MLC-Model Telephones ■ Auxiliary Equipment Industry-Standard...

Overview 1 Terminology The following terms are used in this chapter. In addition, you may wish to reviewthe “Terminology” section of “About This Guide,” which defines basic terms used throughout this guide, or the Glossary, which defines all terms. Auto Dialbutton Auxiliaryequipment Centrex Centrex ...

System Your premises equipment, in combination with the Centrex lines that are connected to your equipment controller and the Centrex services that are available on those lines. See alsoCentrex system and Premises equipment. Using Premises Equipment to Complement Centrex Services The system discusse...

Primary and Secondary Lines By default, each extension in your system gets one primary line that will be used to receive and place all calls for that extension. When the user at an extension picks up the handset to make an outgoing call, the primary line for the extensionis automatically selected. L...

Features and Capabilities Your equipment controller supports the following features to complement your Centrex services: ■ ■ ■ Multiple line assignments, permitting more flexible call coverage. Forexample, the equipment controller automatically assigns all lines to thefirst phone connected to the eq...

Premises Equipment Figure 1-3 shows an equipment controller and MLS- and MLC-model telephonesconnected to it. A brief description of each component follows the figure. EQUIPMENT CONTROLLER(covers not shown) 206 Module Circuit Breakers P r i m a r y C a r r i e r Expansion Carrier Main Circuit Breake...

Equipment Controller The equipment controller is the heart of your premises equipment. It is made up of one or two carriers — the plastic housing consisting of the backplane and cover. The backplane distributes power to the premises equipment, and has slots where modules are placed; the cover slides...

MLS- and MLC-Model Telephones AT&T MLS- and MLC-model telephones are designed to make maximum use of the features provided by your system. The following models are available for usewith your system: ■ ■ AT&T MLS-34D Telephone. This phone is the best choice for extensionsused by the system ma...

Industry-Standard Devices Many industry-standard, single-line telecommunications devices will work with the equipment controller: Standard touch-tone, rotary, and cordless telephones (such as those you ■ might have in your home), including feature phones with built-in featurebuttons and lights ■ Fax...

Other Devices You can connect other devices to your equipment controller, but only specific models are compatible with the equipment controller. (See Appendix C forproduct ordering information.) ■ ■ ■ ■ Call accounting devices and printers allow the system manager to printcall reports. The call acco...

■ ■ ■ ■ Speakerphones provide hands-free two-way operation of a phonewithout lifting the handset. Combining a speakerphone with an MLS-model phone or a standard phone on an extension in a conference room or office is an inexpensive way for several people at a meeting to conference with other parties...

Installing the Equipment 2 Contents Important Safety Instructions Additional Safety Instructions for Installation Personnel ■ Terminology Installation Guidelines ■ Placement of Carriers and Modules ■ Connection of Telephones and Devices Combination Extensions Example Configuration Installation Proce...

Important Safety Instructions Always follow these basic safety precautions when using the premises equipment: 1. 2. 3. 4. 5. 6. 7. Additional Safety Instructions Read and understand all instructions. Follow all warnings and instructions marked on the product. DO NOT block or cover the ventilation sl...

Installing the Equipment 2 This chapter explains how to install the premises equipment. It begins with general guidelines to consider before installation, followed by an exampleconfiguration. It ends with step-by-step instructions for connecting and testing the components. IMPORTANT: Before installa...

Primary This AT&T module, which is always installed in the center slot processor of the primary carrier, manages the components of your module premises equipment. See also Expansion processor module. 206 Module The AT&T equipment component that contains jacks forconnecting up to two Centrex ...

P r i m a r y Carrier P r i m a r y P r o c e s s o r M o d u l e E x p a n s i o n Carrier L i n eJ a c k s E x p a n s i o nP r o c e s s o r M o d u l e E x t e n s i o n Jacks 206 4 0 0 2 0 6 4 0 0 206 4 0 0 2 0 6 4 0 0 Figure 2-1. Line and Extension Numbering at the Equipment Controller Connect...

Hotline Phones. A Hotline phone should be a standard phone—not an MLS or MLC-model phone—but can ring any type of phone. You can specify one alert extension for each Hotline phone, and you can install multiple Hotline phones, if you wish. A Hotline phone only requires connection to an available exte...

Example Configuration These two pages show an equipment controller with three 206 modules and three 400 modules, giving this particularconfiguration a capacity of 16 lines and 18 extensions. Notethat two of the extensions are a Hotline phone and a doorphone, which do not use primary lines. Although ...

Installation Procedures Before installing the premises equipment, be sure you read the safetyinstructions on page 2-ii. In addition, be sure you have the parts shown inFigure 2-3 (if not, call the Helpline as instructed on the inside front cover of this guide). You will have up to four types of comp...

Installing the Carriers and Modules 206 Module Backplane 1 A) Hold the backplane against the 2 3 wall. (If you are also installing the expansion carrier, plan to install it to the right of the primary carrier, leaving 6” to 24” between carriers.) Using the four screw keyholes in the backplane as a t...

Connecting Lines and Extensions 555-1343 555-1344 555-1345 555-1346 Network Interface Jacks 1 Test for dial tone at the network 2 3 interface jacks before connectingCentrex lines. Connect a standard A) Connect the telephone line cords to the line jacks on the 206 and400 modules, starting with the to...

Assembling MLS-Model Telephones Desk Mounting (Stand Required for MLS-34D) A) Plug one end of the handset 1 cord into the jack on the handset and the other end into the small jack on the left side of the base. B) For all butMLS-34D phones, plug one end of thephone cord into the big jack on thebottom...

Connecting and Testing Telephones Hotline Phone 1 To connect a phone, plug the mod- ular telephone mounting cord into amodular wall jack or directly into a 206module extension jack. (If you are con-necting a standard phone and itsmounting cord is loose, use an AT&TD2R mounting cord instead.) To ...

Equipment Upgrades Adding New Modules Main Circuit Breaker Power Jack Hotline Phone Doorphone 1 A) Pull out the main circuit breaker(s) on the carrier(s) to power down the equipment controller. B)Slide the equipment controller cover offthe backplane. 2 A) Insert the new 206 and 400 modules as you di...

Using the Equipment with Centrex Services 3 Contents Overview 3-1 Terminology 3-2 Centrex Line Assignments and Ringing 3-3 ■ Centrex Line and Extension Numbers 3-3 ■ Jack Numbers for Extensions and Lines 3-3 Centrex Services 3-5 One-Touch Access to Centrex Services 3-6 Storing Centrex Feature Codes ...

Centrex LineAssignments and Ringing Your local telephone company provides a block of Centrex lines that are usedwith your telephones. When you connect these lines to your equipment controller and supply electrical power, the controller automatically assigns oneCentrex line to each extension. The onl...

Each telephone is connected (either directly or through a wall jack) to an ■ extension jack on the equipment controller. Each extension jack on thecontroller is identified by an extension jack number. Extension jack numbers run from 10 through 33 (if you have the maximum number of extensions that ca...

Centrex Services With each Centrex line, you have a set of Centrex services (some services may not be available on all lines). Table 3-1 lists some of the most popular Centrex services. To complement your Centrex services, your equipment controller provides additional features. You can use Table 3-1...

Name Description Direct Connect Lets the user at a designated extension dial another extension automatically bylifting the handset on a phone. Directed Call Lets a user dial a code to pick up a ringing call that was made to a specific Pickup Centrex extension. DistinctiveRinging Lets a user determin...

Decisions for CustomizingYour System 4 Overview As discussed in Chapter 3, the default settings for your premises equipment are designed to complement your Centrex services. However, you may wish tocustomize your premises equipment to fit the needs of your business moreexactly. This chapter describe...

Programmable A telephone button that can be set up to access a feature. button On MLS- and MLC-model phones, programmable buttons can be used as Auto Dial buttons (for one-touch dialing of Centrex feature codes or telephone numbers) or equipment feature buttons. Call Coverage Options This section de...

Figure 4-1 shows how Central Call Coverage works. Ext. 1004 Ext. 1005 Ext. 1006 Ext. 1007 Primary Receptionist's Phone Ext. 1000 Incoming Call rings immediately Covered Call rings after about 20 seconds Ext. 1001 Ext. 1002 Ext. 1003 Figure 4-1. Central Call Coverage Setup for Central Call Coverage i...

Table 4-1. Programming for Central Call Coverage Procedure Setting for Receptionist (Extension Jack 10) Setting for Other Extensions LineAssignment(#301) Abbreviated Ringing (#305) Line Ringing *In addition to its own primary line,assigns all other lines in the system assecondary lines. If a line sh...

Table 4-2. Programming for Centrex Call Coverage Procedure Setting for Phone at Extension Jack 10 Setting For Other Extensions LineAssignment(#301) Button features Remove all lines except the primary line. To provide one-touch access to Centrex coverage services, program the Centrex feature codes on...

Centrex extension 1000 (shown in Figure 4-2) is a covering extension for three other extensions. It has a primary line (-1000) and three secondary lines (-1001, -1002, and -1003). With the secondary lines set for “delayed ring,” calls to those lines begin ringing at extension 1000 after about 20 sec...

phone connected to extension jack 10, lines ring according to defaults(“immediate ring” for the primary line and “delayed ring” for secondary lines). If you are combining Local Call Coverage with button-down operation, you maywant to adjust Line Ringing at covering extensions so that some secondary ...

Call Coverage with Answering Machines Personal answering machines are a call coverage option that can be used alone or combined with other call coverage solutions. An answering machine can be combined with a telephone at any extension, using a bridging adapter asdescribed on page 2-5. With this setu...

Some features require buttons with lights. Other features do not require buttons with lights, but do use the lights to show status information if they are available. For features that can be turned off and on by the user (such as Do Not Disturb and Privacy), the features are on whenever the lights a...

Example: A person at a covering extension who screens another extension’s calls may need an Intercom Calling button for the covered extension (possibly with voicepaging) to announce calls and visitors. The lights beside the Intercom Callingbutton show when the covered extension is busy. To program a...

To set up loudspeaker paging: Connect a loudspeaker paging system to the primary processor module ■ of the equipment controller, as described on page 2-13. ■ To let a user access loudspeaker paging with one touch, install an MLS- or MLC-model phone at the user’s extension and program a button with t...

If you wish to restrict calling from Night Service Group extensions, use System Password (#403) to specify the system password. If a password isprogrammed, users in the Night Service Group must enter it before dialing outside telephone numbers or Centrex extension numbers (with some exceptions, desc...

■ ■ ■ ■ The equipment controller can store a maximum of 80 System Speed Dial numbers (dial codes 20-79). System Speed Dial numbers must be programmed from an MLS-34D orMLS-12D display phone at extension jack 10 or 11. If you must include a dial-out code before dialing an outside number, include the ...

a Centrex line—for example, permitting all calls on a line at the extension where it is assigned as a primary line while preventing outgoing calls on the line froman extension where it is assigned as a secondary line. In addition, equipment dialing restrictions can provide some of the protection pro...

NOTE: While procedures that restrict dialing are very effective, absolute protectionagainst misuse cannot be guaranteed. MLS- and MLC-model phones give moreprotection than standard phones. Therefore, we strongly recommend that you install MLS- and MLC-model phones where restricting phone use is impo...

■ Marked System Speed Dial Numbers can be dialed from any extension. System Speed Dial numbers are telephone numbers that a user can dial automatically by pressing [ Feature ] (or [ # ] on a standard phone), followed by a two-digit code. “Marking” a System Speed Dial number when the number is progra...

entry by entering [ 2 ] [ Hold ] [ 2 ] into your list (using the wild card for the middle digit). The examples below show how you would enter telephone numbers for a Disallowed List, including both normally-dialed numbers and numbers with wildcards. ■ ■ Specific Telephone Numbers. Dial the telephone...

International Long Distance. To prevent international calls, enter the ■ international prefix numbers, [ 0 ] [ 1 ] [ 1 ]. You can also use Allowed List entries to override numbers that would otherwise be disallowed. For example, if you wish to allow calls to a specific 900 number (such as a technica...

Table 4-5. Dialing Restrictions and Permissions Type of Restrictions or Permissions for the Extension Example Setting for Line Access Restriction (#302) Setting for Outgoing Call Restriction (#401) Setting forDisallowed/Allowed Phone Number Lists (#404/#405) Example: The receptionist's phonehas the ...

Dialing Restrictions: An Example The following example shows how the equipment controller checks dialing restrictions and permissions when a user places a call. The controller checks the number dialed against all the equipment dialing restrictions that apply to the extension placing the call. When t...

■ Use Doorphone Alert Extensions (#606) to identify up to five extensions that will be signalled by a doorphone when the doorphone button ispressed. Make sure the doorphone extension is not in the Pickup Group (#501), ■ Calling Group (#502), Night Service Group (#504), or Hunt Group(#505). (See page...

■ Telephone Programming. Features that are available to an extension through telephone programming are identified by the words Telephone Programming in the “For instructions, see . . .” column of the table. Table 4-6. Optional Features Available for Premises Equipment Feature Description For instruc...

Programming Reference 5 Contents Alphabetical List of System and TelephoneProgramming Procedures Overview Terminology System Programming Procedures Programming Overlays ■ Telephone Programming Procedures ■ Programming Telephone Buttons Changing Settings after Installation Changing the System Clock ■...

Alphabetic List of System and Telephone Programming Procedures For information on a programming procedure, see the page cited in this table. System Programming procedures areidentified by the procedure code following the procedure name (for example, #305 for Abbreviated Ringing). Telephone Programmi...

■ Preparation. See page 5-4, “Telephone Programming Procedures,” to find out how you prepare for Telephone Programming. Instructions. To program a phone from extension jack 10 or 11, use ■ the instructions at the top of page 5-15. To program at the extension, use the instructions at the bottom of pa...

Programmable A telephone button that can be set up to access a feature. button On MLS- and MLC-model phones, programmable buttonscan be used as Auto Dial buttons (for one-touch dialing ofCentrex feature codes or telephone numbers) or equipment feature buttons. System Designates the way the premises ...

■ Copy Settings (#399) copies Automatic Extension Privacy and Abbreviated Ringing settings as well as Fax Machine extensions,equipment dialing restrictions, and group assignments from oneextension to another; it does not copy line assignments, line ringingsettings, or button programming—see page 5-1...

In addition, you can use programmable buttons to store equipment feature codes or extension jack numbers for one-touch Intercom Calling. These buttonsare called equipment feature buttons. (The equipment features that you can program onto buttons are described on page 5-16. Note that some equipment f...

Adding Modules and Centrex Extensions If you add new modules to your equipment controller after installation, you will need to identify new extensions and to change Hotline and doorphoneextensions (if those devices are installed). Likewise, if you add a Centrexextension after installation, you must ...

System Programming Reference System Programming changes settings for the system as a whole, or for individual lines or extensions. You can also use System Program-ming to set up dialing restrictions, define groups, and set up optional equipment. Button-Down Mode (#723) can be activated (if needed) b...

System Programming Reference ✔ System Programming changes settings for the system as a whole, or for individual lines or extensions. You can also use System Program-ming to set up dialing restrictions, define groups, and set up optional equipment. Place the Programming Overlay on the dial pad of the...

System Speed Dial Programming Reference From the MLS display phone at extension jack 10 or 11, you can store up to 60 telephone numbers as System Speed Dial numbers. OnceSystem Speed Dial numbers have been stored, any user can dial a number automatically by pressing [ Feature ] + a 2-digit code (fro...

Telephone Programming Reference Centralized Telephone Programming Use Centralized Telephone Programming to program features or store telephone numbers for individual extensions. Line Ringing must be programmed from an MLS display phone at extension jack 10 or 11 (using Centralized Telephone Programm...

Telephone Programming Reference EQUIPMENT FEATURES DO NOT DISTURB TOUCH-TONE ENABLE GROUP CALLING Prevents the phone from ringing; callers Lets users with rotary lines use phone Simultaneously places an intercom call to hear ringing (except intercom callers, who services such as “Bank by Phone” that...

Using Telephones 6 Contents Overview Terminology MLS- and MLC-Model Telephones ■ Ringing Patterns and Dial Tones ■ Lights ■ Buttons and Indicators ■ Switchhook and Recall ■ Using the Handset, Speaker, and Microphone Speakerphone Performance Tips Standard Telephones ■ Switchhook ■ Limitations ■ Featu...

Intercom call Outside call Primary line Secondary line Standard phone A call that is made using the [ Intercom ] button on an MLS- or MLC-model telephone, to call another system extension without tying up primary Centrex lines. A call made from outside the Centrex system to an extension within the C...

Lights Each line button has a green light and a red light. The meaning of these lights varies, depending on whether the button is used to access a line or is programmed with an equipment feature or Intercom Calling number. Table 6-1. Light Patterns for MLS- and MLC-Model Phones Feature Button* Inter...

Buttons and Indicators MLS-34D MLS-12D Display Programmable Buttons MLS-12 Display Line/ProgrammableButtons (32 with lights) Primary Line Button Intercom Buttons (2) (6 without lights) Line/ProgrammableButtons (10 with lights) Primary Line ButtonIntercom Buttons (2) The following buttons and display...

Switchhook and Recall When you are on a call using an MLS- or MLC-model phone, pressing theswitchhook disconnects you from the call. To access Centrex services when you are on a call, use the Recall feature to execute a timed switch hook flash (seepage 6-12). You can program this feature onto a butt...

Speakerphone Performance Tips The speaker and microphone on your MLS-34D, MLS-12D, or MLS-12telephone is controlled by a sensitive sound-activated switch. Room acoustics and background noise can affect the proper operation of the speaker. Toensure that your speaker works effectively, follow these gu...

Here are some points to remember in using your feature phone with the equipment controller: ■ ■ ■ You will not be able to use System Speed Dial Numbers, although youmay be able to program outside phone numbers onto your phone’s feature buttons. The feature phone’s last number redial button may not w...

■ ■ Calls ring at both phones. You can handle a call on the standard phone by pressing buttons on the MLS- or MLC-model telephone. For example, you can use the MLS or MLC-model phone to select aspecific Centrex line, and conduct the call on the standard phone. Or, if someone is on acall using the st...

Using Your Telephone The charts below explain how to handle calls with MLS- and MLC-model phones and standardphones. When prior programming is required for MLS- or MLC-model phones, the page numberfor instructions is shown in the left column. Accessing a Centrex Service On an MLS- or MLC ModelPhone*...

On an MLS- or MLC-ModelPhone* On a Standard Phone To group page all extensions m a Calling Group See page 5-13 forinstructions on setting up a Calling Group. See page 5-16 for instructionson programming Group Paging onto a button on MLS- orMLC-model phones. Press the button programmed with thisfeatu...

Putting a Call on Hold On an MLS- or MLC-Model Phone* On a Standard Phone To put a call on hold (anyone with the line can retrieve it) This feature lets you place a call on another line or hangup. To make another call on your primary line, use your Centrex hold. To put an outside or inside call on E...

Making a Conference Call On an MLS- or MLC-Model Phone* On a Standard Phone To set up a conference call Your Centrex system determines the number of parties you can connect on a conference call. 1. 2. 3. Set up the call to the first party. (You can call the party, pick up the call from hold, or answ...

Loudspeaker Paging On an MLS- or MLC- Model Phone* On a Standard Phone To make an announcement over a loudspeaker paging system You can use any AT&T paging system. If you have a paging system other than a PagePac6 or PagePac6 Plus, follow the manufacturer’s instructions. If your phone has a prog...

Using Night Service If your premises equipment uses Night Service with a System Password, users can enter the password when Night Service is on, to override equipment calling restrictions for the duration of acall. On an MLS-Model Phone On a Standard Phone To turn on Night Service Before using this ...

Using Auxiliary Equipment 7 Contents Terminology Fax Machines ■ Using Fax Machines Fax Management Feature Transferring a Call to the Fax Machine Using the Fax Machine’s Notify Feature ■ Setting Up Fax Machines Restricting Dialing from a Fax Machine ■ Single Fax Machine Send and Receive Fax Machines ...

using a Fax Management button (in order to check the status of a fax machine) and transferring calls to a fax machine extension. Using Fax Machines Fax Management Feature On an MLS- or MLC-model phone, you can program a button with a light to serve as a Fax Management button. The light next to this ...

■ You might be on a call where the person to whom you are speaking has a fax machine connected to his or her phone and wants to fax yousomething. You can receive the fax by transferring the call to the fax extension. Tell the other party to wait until he or she hears the fax tone before pressing the...

The fax machine automatically answers all calls that come in on the fax line. If a call comes in on another line, you can transfer the call to the fax extension (see “Transferring a Call to the Fax Machine” on page 7-2). If you have programmed a Fax Management button, you can monitor the status of t...

Answering Machines You can use an answering machine to answer calls at night when you are notthere, or during business hours when you cannot get to the phone. An answering machine can share an extension with a phone (via a bridgingadapter) to answer calls to the extension. Figure 7-3 shows an answer...

Modems There are two ways to use modems with your premises equipment, asdescribed below. Modems can connect directly to an extension jack without an adapter. Modem for Placing Calls Only A modem and a terminal allow you to dial out and connect to computer bulletin boards and other data services. Thi...

Credit Card Scanners Many retail businesses and restaurants use credit card scanners to get instant approval of credit card purchases. You can install the credit card scanner onan extension by itself, or combine it with an MLS- or MLC-model phone or astandard phone on the same extension. When you ma...

Call Reports A call report is a page of information that begins with a header. The header includes field names that describe the information in each call record. The callrecord is a line of information that includes the fields shown in Figure 7-7. DATE TIME CALLED NUMBER DUR. LINE STN. C 02/17/91 14...

In the event of a power failure, any calls in progress are lost; call records ■ for those calls are also lost. ■ Intercom calls are not recorded, but inside calls made using the Centrex extension number are. ■ If you place a call on hold and the caller hangs up, the call is considered complete and t...

User Forms A This appendix contains two forms: a “Speed Dial Numbers” form to be photocopied and handed out to users and a “Centrex Extension Numbers” form to be filled out and saved for reference when programming. (Depending onyour particular configuration, you may want to share the “Centrex Extens...

AT&T Form A: Speed Dial Numbers To Dial System or Personal Speed Dial numbers: On MLS- or MLC-model telephone, press [ Feature ] + 2-digit Code. System Speed Dial Numbers Code Name/Company * Telephone Number 2021222324252627282930313233 343536 373839 Code Name/Company * Telephone Number 404142 4...

AT&T Form B: Centrex Extension Numbers Line Jack* Extension Jack* Name/Description Centrex Extension No. Centrex Phone No. Number Number 01 10 02 11 03 12 04 13 05 14 06 15 07 16 08 17 09 18 10 19 11 20 12 21 13 22 14 23 15 24 16 25 17 26 18 27 19 28 20 29 21 30 22 31 23 32 24 33 * Indicate any ...

Using Intercom Features B Using the Intercom on MLS- and MLC-Model Telephones As an alternative to placing inside calls with Centrex extension numbers, users can place inside calls to other extensions in the system using an [ Intercom ] button on MLS-and MLC-model phones. Using an [ Intercom ] butto...

Intercom Ringing Patterns and Dial Tones If you have an MLS- or MLC-model phone and someone makes an intercom call to your phone, you will hear a ring and a beep (ring BEEP. . . ring BEEP. . . ring BEEP . . .). If you have a standard phone, you will hear a repeated pattern of two rings (RING ring . ...

Using Intercom Calling Features Placing a Call On an MLS- or MLC-Model Phone* To ring another extension To voice page another extension 1. Press [ Intercom ]. You hear the intercom dial tone. 2. Lift the handset if desired. 3. Dial the extension jack number. 1. Press [ Intercom ]. You hear the inter...

Joining a Call On an MLS- or MLC-Model Phone* To join an outside call using Direct Line Pickup You can program Privacy onto an MLS- or MLC-model phone to keep users at other extensions from joining a call on your phone (see page 5-16). Also, Automatic Extension Privacy (page 5-11) can be centrally p...

Using the Message Light On an MLS- or MLC-Model Phone* To turn on the message light See page 5-16 for instructions on programming this feature onto a button of an MLS- or MLC-model phone. Turns on the message light on another MLS- or MLC-model phone. Although anyone can use this feature, it is typic...

Maintenance and Customer Support C Maintenance Your equipment controller and MLS- and MLC-model phones are designed toprovide trouble-free performance without any special maintenance procedures. To reduce the risk of accidental damage: ■ ■ ■ Keep the equipment modules in an area free of dust, smoke,...

In Case of Difficulty If you should have a problem with your premises equipment, you may be able to solve it yourself by following the appropriate troubleshooting procedures described in this appendix. In the U.S., AT&T provides a toll-free customer helpline 24 hours a day at 1 800 628-2888. For...

Troubleshooting The charts on pages C-3 to C-8 describe various problems that can occur, possible causes for each problem, and procedures you can follow to try to solve the problem yourself. Problem Possible Cause Do This If... Then... Make sure the controller’s powercord is plugged securely into th...

Repair Information In-Warranty Repairs If you purchased or leased the equipment controller and MLS- and MLC-model phones directly from AT&T, AT&T will repair them free of charge during the one-year warranty period. Simply call the Helpline and ask for service. Business-Day service is standar...

If you purchased the product directly from AT&T, AT&T will perform warranty repair in accordance with the terms and conditions of the specific type of AT&T maintenance coverage you selected. A written explanation of AT&T’s types of maintenance coverage can be obtained from AT&T b...

Product Ordering Information Ordering additional telephones and modules, accessories, and replacement parts for your system is convenient. Table C-1 (on the next page) shows where you can buy components in the United States. To take full advantage of your premises equipment, the sources shown below ...

Specifications D Capacities Premises Equipment 206 Module Extension Jack ■ 24 Centrex lines via line jacks on ■ 2 Centrex lines ■ Maximum 2 devices per extension jack, four 206 and four 400 modules ■ 6 extensions total REN on jack not to exceed 2.0* ■ 24 extensions via extension jacks on 2 devices r...

FCC Information E Federal Communications Commission (FCC) Interference Information This equipment has been tested and found to comply with the limits for a ClassA digital device, pursuant to Part 15 of FCC rules. These limits are designed to provide reasonable protection against harmful interference...

■ ■ ■ The facility interface code, which is O2LS2. ■ You must also notify your local telephone company if and when this equipment is permanently disconnected from the line(s). Repair Instructions: If you experience trouble because your equipmentis malfunctioning, the FCC requires that you disconnect...

FEEDBACK FORM System: PARTNER ® II Centrex Communications System, Release 1 Document: Installation and Use, Issue 1 Note to readers: We welcome your feedback on this book and your premises equipment. Your suggestions will help us improve the quality of our reference materials and products. Thank you...

Glossary C A Auto Dial button A programmable telephone button that lets you dial a series of digits simply by pressing that button. An Auto Dial button can be used to store a Centrex feature code or a telephone number so that it can be dialed with one touch. See also Equipment feature button and Pro...

Index B A Abbreviated Ringing procedure (#305), 4-9, 5-11 Adding a module, 2-14Alert description, 1-11example, 2-6 Allowed List Assignments procedure (#408), 5-12Allowed Phone Number Lists procedure (#407), 5-12Answering a call specific line, 6-14voice-paged, 6-14, B-2while on another call, 6-14 Ans...

Centralized Telephone Programming Quick Reference Place the Programming Overlay on the dial pad of the MLS display phone at extension jack 10 or 11 TO ENTER PROGRAM MODE TO PROGRAM ANOTHER FEATURE TO ERASE A FEATURE OR AUTO PRESS [ Feature ] [ 0 ] [ 0 ] AT THE SAME EXTENSION DIAL BUTTON PRESS [ Syst...

System Programming Quick Reference Place the Programming Overlay on the dial pad of the MLS display phone at Extension Jack 10 or 11 TO START SYSTEM PROGRAMMING TO END SYSTEM PROGRAMMING TO CYCLE THROUGH SYSTEM TO CYCLE THROUGH AVAILABLE PROGRAMMING PROCEDURES SETTINGS PRESS [ Feature ] [ 0 ] [ 0 ] ...

SYSTEM RESET – PROGRAMMlNG SAVED (p. 5-10) IMPORTANT: Using this procedure disconnects any active calls but retains equipment settings. Use it only if the equipment fails to functioncorrectly after a power failure or down period. DIAL #728 Dialing Restrictions and Permissions Groups Auxiliary Equipm...