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USER’S MANUAL Part 2 Four-Line Intercom/ Speakerphone 874 Please also read Part 1 — Important Product Information AT&T and the globe symbol are registered trademarks of AT&T Corp. licensed to Advanced American Telephones.
Conference Call ... 23 Room Monitor ... 23 Checking Your Station Number ... 23 IN CASE OF DIFFICULTY ... 24 EXPANDING THE 874 SYSTEM ... 26 CENTREX OPERATION ... 27 Setup Checklist ... 27 Setting Up a Fourth Line for Each Station ... 27 Enabling/Disabling Attendant Station .
Intercom and Paging to work. • Assign a different Intercom Extension Number (11 through 22) to each 874 telephone. You’ll need to do this individually at each telephone. • Decide if you want a private line. A private line does not appear on all connected phones.
INSTALLATION Table/Desk Installation Install 3 AA batteries. • Press in on the tabs and remove the telephone base. • Press in on the tabs on the battery door, and remove it. • Insert 3 AA batteries, and replace the battery door. •...
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• Two Two-Line Jacks Modular Telephone Jack Lines 3 and 4 Telephone Line Cords Connect the power adapter. Use only the power adapter provided with this product. To obtain a replacement, call 1 800 222–3111. Plug one end of the power adapter into the jack labeled ADAPTER on the back of the phone.
INSTALLATION Wall Installation Reverse the handset tab. Hold down the switchhook, then pull the tab out and rotate it 180 degrees. Release the tab so it settles into position. Install 3 AA batteries. • Press in on the tabs and remove the telephone base. •...
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Connect the telephone line cords to the telephone. • Four One-Line Jacks Telephone Line Cords Two Two-Line Jacks • Modular Telephone Jack Lines 3 and 4 Telephone Line Cords Connect the power adapter to the telephone. Use only the power adapter provided with this product. To obtain a replacement, call 1 800 222–3111.
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INSTALLATION Mount the phone on the wall. Four One-Line Jacks • Modular Telephone Jacks Lines 3 and 4 Telephone Line Cord • Two Two-Line Jacks Telephone Line Cord NOTE: If you have three modular telephone jacks, mount the phone onto a jack without a wall-mounting adapter.
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INSTALLATION Plug the power adapter into a standard electrical outlet. Convenience Port: If you want to connect another device (such as an answering machine or fax machine) to the wall jack, you can use the jack on the phone labeled AUX. This convenience port will always use Line 2;...
TELEPHONE FEATURE SETUP Assign Intercom Number Do not lift the handset. Press G, *, #. Enter two digits (11–22). Press I. You will hear a confirmation ring. NOTE: If you duplicate an intercom number, you’ll hear a warning tone. Repeat Steps 1–4 and assign a different number. Pry up the intercom number card cover, write the intercom number on the card, and replace the cover.
This feature works only if you have three phone lines connected. Line 4 may vary from phone to phone, so you can consider this a private line that other 874 phones cannot access. NOTE: The phone number for Line 1 must be the same on all phones for the intercom and paging features to work.
Automatically redials a number when the line you’re calling is busy Redirect an incoming call to any other 874 phone Line-in-use lights Mute the microphone Activate speakerphone Adjust Ringer and handset/speakerphone volume Prevents...
OPERATION NOTE: When you make a call, the phone selects the first available line. When you answer a call, the phone automatically selects the ringing line. If you have a private line, the phone automatically selects that line. Making a Call Handset To make a call, lift the handset.
OPERATION Volume Handset/Speakerphone Volume Control When you are on a call, press + to increase handset or speakerphone volume. Press - to decrease volume. Ringer Volume You can adjust the ringer volume while the phone is ringing. While the line is ringing, press + or - to reach the desired level.
Redial The last number dialed on this phone is stored in redial memory until you dial another number. To dial the same number again, lift the handset or press K, listen for the dial tone, then press R. Auto Redial Select a line and press A.
OPERATION Mute This feature lets you mute the telephone so that you can hear the other party, but the other party can’t hear you. To activate this feature, press and release M. The MUTE light goes on. To return to the conversation, press and release M again. NOTE: Switching from handset to speakerphone or from speakerphone to handset, changing lines, and putting a call on hold also cancel Mute.
You can transfer a call you answer to any other 874 phone. Once you transfer a call, it can be picked up at any other 874 phone, not just at the intercom number you called. Transfer calls fall into two categories: announced and unannounced.
OPERATION Timer The screen displays the elapsed time in minutes and seconds for the first hour (up to 59 minutes, 59 seconds), then begins at zero again. The timer automatically stops when you hang up. The screen displays the recorded time for about six seconds.
One-touch memory locations Store the switchhook flash needed to access some custom-calling services This telephone has 19 memory locations. Each location can store up to 16 digits. Dial numbers stored in memory locations by lifting the handset (or pressing K) and pressing the button for the location. Directory Card Remove the directory card and write in the numbers (or names) you want to store in each memory location.
TELEPHONE MEMORY Storing Numbers in Memory Press and release G. Enter the telephone number you want to store (up to 16 digits) — OR — Press and release R to store the last number dialed. Press the memory button where you want to store the number. Storing a Pause in a Memory Number To store a dialing pause in a memory number, press and release P where you want the dialing pause to occur.
Announces to all 874 phones at same time Automatically redials a number when the line you’re calling is busy Redirect an incoming call to any other 874 phone Line-in-use lights INTERCOM OPERATION Connect another intercom call with an outside line...
Lets you “announce” over the speaker of the phone you’re PAGE calling. The person you’ve called can respond just by talking. Lets you “announce” to all 874 phones in the system at the ALLPAGE same time. Lets you connect another intercom call with an outside line.
Paging All Phones Press and release Speak toward the telephone. Press and release K to disconnect. Answering an ALLPAGE Press Use the already activated speakerphone, or lift the handset. To end, press and release K or hang up. Making an Intercom Conference Call Make or answer a call.
Check the telephone jack by disconnecting the 874 and connecting another non-system telephone. • Check that all line assignments are correct, and that all 874 phones are on the line designated as Line 1. Difficulty Storing Numbers in Memory •...
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Telephone Does Not Ring • Make sure the Do Not Disturb (DND) feature is not activated. • Make sure Ringers are turned on. • If there are several non-system phones on the line that doesn’t ring, disconnect some of them. Having too many phones connected can also result in low Ringer volume for non-system telephones.
EXPANDING THE 874 SYSTEM When you combine two or more 874 phones you create an interacting system. You can have up to twelve 874 phones and up to eight telephone lines. The 874 can also be used with Centrex service.
Setup Checklist Before expanding your system or installing for Centrex, review the installation checklist. If you have Centrex, contact your local telephone company for further information about Centrex service. • The phone number for Line 1 must be the same on all phones in order for the Intercom and Paging features to work.
Attendant Operation Once another 874 phone has enabled its delayed ring, the attendant phone will receive those calls. All the 874 features work in the same manner as described in the beginning of this manual. The attendant phone can pick up other Centrex lines through Centrex switching.
Picking Up Another Station’s Line Choose a free Centrex line. Enter the Centrex pickup code. Enter the seven-digit phone number of the line you want — OR — Press the corresponding memory locations for the Centrex pickup code and the seven-digit phone number for the station sending the delayed ring.