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AT T El52400 Manual

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User reviews and opinions

Comments to date: 2. Page 1 of 1. Average Rating:
passa 12:38pm on Tuesday, September 21st, 2010 
Great product,easy setup and easy to use,great features not found on other units for this price. Answering system is just great and easy to use.
neilhnz 3:09am on Friday, July 9th, 2010 

Comments posted on are solely the views and opinions of the people posting them and do not necessarily reflect the views or opinions of us.




Plug the large end of the smaller power adapter into an electrical outlet not controlled by a wall switch. IMPORTANT INFORMATION: Ensure the small end of the smaller power adapter is plugged into the power jack on the bottom of the charger. Use only the power adapters provided with this product. To obtain a replacement, visit our website at or call 1 (800) 222-3111. In Canada, dial 1 (866) 288-4268.

Battery installation

Install the battery as shown below.
. Plug the battery connector securely into the socket inside the handset battery compartment, matching the color-coded label.
2. Insert the supplied battery with the label THIS SIDE UP facing up as indicated.
3. Align the cover flat against the battery compartment, then slide it upwards until it clicks into place.

CHARGE light

4. Charge the handset by placing it face up in the telephone base or charger. The CHARGE light is on when charging.
To replace the battery, press the tab and slide the battery compartment cover downwards. Lift out the old battery and disconnect it from the handset. Follow the instructions above to install and charge the new battery.
IMPORTANT INFORMATION: Use only the supplied rechargeable battery or replacement battery (model BT166342). To order, visit our website at Canada, dial, or call 1 (800) 222-3111. In 1 (866) 288-4268.

Battery charging

Once you have installed the battery, the screen indicates the battery status (see the table below). If necessary, place the handset in the telephone base or charger to charge the battery. For best performance, keep the handset in the telephone base or charger when not in use. The battery is fully charged after 16 hours of continuous charging. See page 29 for battery operating times.


If the screen is blank, you need to charge the handset without interruption for at least 30 minutes to give the handset enough charge to use the telephone for a short time. The screen shows LOW BATTERY until you have charged the battery without interruption for at least 30 minutes. The following table summarizes the battery charge indicators and actions to take.
Battery indicators The screen is blank or shows PLACE IN CHARGER. Battery status The battery has no or very little charge. The handset cannot be used. Battery has enough charge to be used for a short time. Action Charge without interruption until the screen shows LOW BATTERY or HANDSET X (at least 30 minutes). Charge without interruption until the screen shows HANDSET X (at least 30 minutes). To keep the battery charged, place it in the telephone base or charger when not in use.

Battery status icon

The screen shows LOW BATTERY and flashes.
The screen shows HANDSET X and the battery icon shows , or.

Battery is charged.

NOTES: If you are on a call in low battery mode, you hear four short beeps every 50 seconds. If no battery is installed in the handset when you place it in the telephone base or charger, the CHARGE light is off and the screen shows NO BATTERY. Follow the instructions in Battery installation on page 4 to install the battery.

Handset overview

REDIAL/PAUSE Press repeatedly to view the last 20 numbers dialed. While entering numbers, press and hold to insert a dialing pause. PHONE/FLASH Press to make or answer a call. During a call, press to answer an incoming call when you receive a call waiting alert. 1 While reviewing a caller ID history entry, press repeatedly to add or remove 1 in front of the telephone number before dialing or saving it in the directory. 0 While entering names in the directory, press to add a space. MUTE/DELETE During a call, press to mute the microphone. While predialing, press to delete digits. While reviewing the redial list, directory, speed dial list or caller ID history, press to delete an individual entry. TONE During a call, press to send touch-tone signals. SPEAKER Press to turn on the handset speakerphone, press again to resume normal handset use. INT Press to initiate an intercom conversation or transfer a call. DIR/VOLUME Press to scroll up while in menus. Press to increase the listening volume. Press to show directory entries when the handset is not in use. While entering names or numbers in the directory, press to move the cursor to the right. CID/VOLUME Press to scroll down while in menus. Press to decrease the listening volume. Press to show the caller ID history when the handset is not in use. While entering names or numbers in the directory, press to move the cursor to the left. MENU/SELECT Press to display the menu. Once in the menu, press to select an item or save an entry or setting. OFF/CLEAR During a call, press to hang up. While using menus, press to cancel an operation, back up to the previous menu, or exit the menu display. Press and hold while the handset is not in use to erase the missed calls indicator. # When reviewing a caller ID history entry, press repeatedly to view the dialing options.

Telephone base overview

ANSWER ON/OFF Press to turn the built-in answering system on or off. Message window Displays the number of messages. During playback, displays the message number currently playing. PLAY/STOP Press to start or stop message playback. While call screening, press to temporarily turn the call screening on or off. DELETE Press to delete the message currently playing. Press twice to delete all old messages when the telephone is not in use. SKIP Press to skip a message. REPEAT After the answering system plays the day and time the current message was received, press to repeat the message currently playing. While the answering system is playing the day and time the current message was received, press to listen to the previous message. HANDSET LOCATOR Press to make handsets beep so you can locate them. VOLUME While the telephone is not in use, press to adjust the telephone base ringer volume. During call screening or message playback, press to adjust the listening volume.

DIR or CID to choose AM or PM. Press MENU/SELECT to confirm.
Making, answering and ending a call Making a call
Press PHONE/FLASH or SPEAKER and then dial a telephone number, or predial by first dialing the number and then pressing PHONE/FLASH or SPEAKER. When entering the number before pressing PHONE/FLASH or SPEAKER, you can: Press and hold REDIAL/PAUSE to insert a three-second dialing pause (a P appears). Press MUTE/DELETE to make corrections. Press and hold OFF/CLEAR to return to the idle mode. The screen shows the elapsed time as you talk (in hours, minutes and seconds).

Answering a call

Press PHONE/FLASH, SPEAKER, or any dial pad key (known as Any Key Answer).

Ending a call

Press OFF/CLEAR or put the handset in the telephone base or charger to end the call (known as Auto Off).


During a call, press Press SPEAKER to switch between speakerphone and normal handset use. OFF/CLEAR to hang up.
Temporary ringer silencing
While the telephone is ringing, press OFF/CLEAR or MUTE/DELETE to silence the ringer temporarily on that handset only. This turns off the ringer without disconnecting the call. The next incoming call rings normally at the preset volume.
Options while on a call Volume control
While on a call, press DIR/VOLUME to increase or press CID/VOLUME to decrease the listening volume.
NOTE: The handset earpiece volume setting (1-5) and speakerphone volume setting (1-6) are independent. Changing one does not affect the other.

Join a call in process

You can use two system handsets at the same time on an outside call. If a handset is already on a call and you would like to join the call, press PHONE/FLASH or SPEAKER on another system handset. To exit the call, press OFF/CLEAR or place the handset in the telephone base or charger. The call does not end until all handsets hang up.

Chain dialing

While on a call, you can initiate a dialing sequence from numbers stored in the directory, caller ID history or redial list. Doing this can be useful if you wish to access other numbers (such as bank account numbers or access codes). To dial a number from the directory, caller ID history or redial list while on a call, access the number through the menu system:. While on a call, to show the directory or caller ID history, press MENU/SELECT, scroll to >DIRECTORY or >CALL LOG. Press MENU/SELECT. -ORWhile on a call, press REDIAL/PAUSE to show the redial list. 2. Scroll to the desired number or press the dial pad keys to find the desired directory entry (see To search by name in the online users manual for more options). 3. Press MENU/SELECT. The selected number is dialed.


Each handset stores the 20 most recently called numbers in the redial list. To review and call numbers in the redial list, press REDIAL/PAUSE in idle mode. The most recently called number appears on the screen. 2. If it is not the desired number, press DIR or CID to scroll through the numbers in the list. 3. Once the desired number appears, press PHONE/FLASH or SPEAKER to dial the number. Or press OFF/CLEAR to exit the redial list. 11

Handset locator

Use the handset locator to find misplaced handsets. To start the paging tone: Press HANDSET LOCATOR at the telephone base to start the paging tone on all handsets for 60 seconds. To stop the paging tone: Press PHONE/FLASH, SPEAKER, or any dial pad key (0-9, , or #) on a handset or press HANDSET LOCATOR on the telephone base.
Intercom To make and answer an intercom call
You can intercom between handsets. Press INT on your handset when not in use. If you have two handsets, your screen shows CALLING HANDSET X. If you have more than two handsets, your screen shows INTERCOM TO: Use the dial pad keys to select the other handset. The other handset rings and its screen shows HANDSET X IS CALLING. 2. To answer the intercom call, press PHONE/FLASH, handset. Both handsets now show INTERCOM. 3. To end an intercom call, press telephone base or charger. SPEAKER or INT on that
OFF/CLEAR or place the handset back in the
NOTE: Before the intercom call is answered, you can cancel the intercom call by pressing OFF/CLEAR or INT on your originating handset.
Call transfer using intercom
You can transfer an outside call to another system handset. During a call, press INT and proceed just as you would for a normal intercom call. Once the other party has answered the intercom, you have the following options: You can let the other handset join you on the outside call in a three-way conversation. Press and hold INT on the calling handset. You can transfer the call. Press OFF/CLEAR, or place your handset back in the telephone base or charger. Your handset screen shows CALL TRANSFERRED. The other handset automatically connects to the outside call. You can switch between the outside call (OUTSIDE CALL appears on the screen) and the intercom call (INTERCOM appears on the screen). Press INT on your handset to switch. The other person can end the intercom call by pressing OFF/CLEAR, or by placing the other handset back in the telephone base or charger. The outside call continues with the original system handset.

NOTES: To cancel the transfer and return to the external call before the intercom call is answered, press OFF/CLEAR, PHONE/FLASH or INT on your handset. If the other handset is not answered within 100 seconds, is in use, on a call or is out of range, the calling handset shows UNABLE TO CALL TRY AGAIN on its screen and automatically returns to the external call.
Directory Directory overview
The directory is stored in the telephone base, and is shared by all handsets. It stores up to 100 entries. Changes made to the directory on any one handset apply to all. Only one handset can review the directory at a time.
Storing names and numbers
You can add new entries to the directory whenever a telephone number shows on the screen (predial or from caller ID history) by pressing MENU/SELECT then go to Step 3 below. To add entries through the menu:. On a handset, use MENU/SELECT in idle mode. Select >DIRECTORY and then select >ADD CONTACT. 2. Use the dial pad keys or press REDIAL/PAUSE and then MENU/SELECT to enter the telephone number (up to 30 digits). 3. Press MENU/SELECT to save the number in the display. 4. Enter the name when prompted. Use the dial pad keys to enter a name (up to 15 characters). Each time you press a key, the character on that key appears. Additional key presses produce other characters on that key. Refer to the character chart in Create directory entries of the online users manual for information on entering special characters. 5. Press MENU/SELECT to store your new directory entry. The screen shows SAVED. While entering names and numbers, you can edit them using the following controls: Press
DIR or CID to move the cursor to the right or left.
Press MUTE/DELETE to erase digits or characters. Press and hold MUTE/DELETE to erase entire entry. While entering the telephone number, press and hold REDIAL/PAUSE to enter a three-second dialing pause (a P appears). While entering the name, press 0 to add a space.
To review directory entries

. Press

DIR when in idle mode to show the first entry in the directory.
2. Press DIR or CID to browse through the directory or press the dial pad keys (0-9) to start a name search. Entries appear alphabetically by the first letter in the name.
NOTE: If the telephone number in the directory exceeds 15 digits, < appears in front of the telephone number. Press TONE to move towards the end of the telephone number or press # to move towards the beginning of the telephone number.
To dial a directory number
When you see the desired directory number, press PHONE/FLASH or SPEAKER.
To edit a directory entry
. When the desired directory number is on the screen, press MENU/SELECT. 2. Edit the telephone number (page 14). Press MENU/SELECT. 3. Edit the name (page 14). 4. Press MENU/SELECT to confirm.

Press # repeatedly to show different dialing options. If you need to add or remove a 1 at the beginning of the number, press 1 repeatedly to show the number options. 3. Press PHONE/FLASH or
SPEAKER to dial the displayed telephone number.
To delete entries from the caller ID history
Delete One: When viewing an entry, press MUTE/DELETE to delete the entry from the caller ID history. Delete all: On a handset, use MENU/SELECT in idle mode. Select >CALL LOG and then select >DEL ALL CALLS. Press MENU/SELECT twice. Once deleted, you cannot retrieve the entries.
To store a caller ID entry in the Directory
. On a handset, press 2. Press
DIR or CID in idle mode. CID to scroll through the list.
3. When the desired entry is on the screen, press MENU/SELECT. The screen shows EDIT NUMBER. If needed, modify the number (page 14). 4. Press MENU/SELECT to save the number in the display. The screen shows EDIT NAME. If needed, modify the name (page 14). 5. Press MENU/SELECT to confirm. 16
Answering system and voicemail
Your telephone has separate indicators for two different types of voice messages: those left on its built-in answering system and those left at your service providers voicemail (fees may apply). Your telephones built-in answering system messages and voicemail messages are separate. Each alerts you to new messages differently. If and NEW VOICEMAIL display on the handset, your telephone service provider is indicating that it has new voicemail for you. To listen to your voicemail, you typically dial an access number provided by your telephone service provider, followed by a security code or PIN. Refer to Voicemail waiting (visual message waiting) indicator in the online users manual for a full description of the voicemail indicator. If a number flashes in the message window on the telephone base and XX NEW MESSAGES appears on the screen of each system handset, there are new digital answering system messages. If you turn on MSG ALERT TONE (page 8), the telephone base beeps every 10 seconds when there are new answering system messages. To listen to these messages, from a handset, use the PLAY MESSAGES menu or press PLAY/STOP on the telephone base (see Message playback on page 18). Some service providers bundle or combine multiple services like voicemail and call waiting, so you may not be aware that you have voicemail. To check what services you have and how to access them, contact your telephone service provider. You can use your telephone answering system and voicemail together by setting your built-in answering system to answer before voicemail answers. Refer to Answering system and voicemail in the online users manual for instructions.
Turning the answering system on or off
You can turn the answering system on or off by pressing the ANSWER ON/OFF key on the telephone base or through the ANSWER ON/OFF handset menu (page 8).

NOTE: You can turn the answering system on or off from either the handset or the telephone base, but you can only use the handset to change the other answering system settings.


The announcement is the greeting callers hear when calls are answered by the answering system. The telephone has a default announcement. You can use this announcement, or record your own announcement of up to 90 seconds. On a handset, use MENU/SELECT in idle mode. Select >ANSWERING SYS and then select >ANNOUNCEMENT. Follow the screen and voice prompts to record a new announcement.

Call screening

If CALL SCREENING is ON (page 8), the incoming messages are played through the speaker on the telephone base. You can press PHONE/FLASH or SPEAKER on the handset to stop recording and speak to the caller.

Message playback

If there are new messages, the system plays back only the new messages (oldest first). If there are no new messages, the system plays back all old messages (oldest first). When playback begins, the total number of messages is announced. You can play back messages from either the telephone base or a handset. On the telephone base, press PLAY/STOP and use the other keys to repeat, skip, delete, and adjust the volume of messages. On a handset, use MENU/SELECT to select >PLAY MESSAGES. Then follow the screen and voice prompts.
To delete all old messages
From idle you can delete all old messages. Once deleted, you cannot retrieve them. You cannot delete messages until you have listened to them. On the telephone base, press DELETE twice.
On a handset, use MENU/SELECT in idle mode. Select >ANSWERING SYS and then select >DELETE ALL OLD. Press MENU/SELECT.

Remote access

You can access the answering system remotely by dialing your home telephone number from any touch-tone telephone. When the answering system answers, enter the twodigit remote access code (19, unless you have changed it; refer to REMOTE CODE on page 8). New messages play automatically. Use the remote commands to control playback. There is also a wallet card listing the remote commands at the back of the online users manual. Remote access commands
Action Remote command Action Remote command Play all messages.. 1 Play new messages... 2. Delete the message (during playback). 3. Delete all old messages..33 Repeat or go back.. 4 Stop... 5. Help menu...*5 Skip the message.. 6. Record announcement...*7 Turn system on or off.. 0 End remote access call (or hang up).. 8


If you have difficulty with your telephone, please try the suggestions below. For customer service, or to purchase accessories or replacement parts, visit our website at, or call 1 (800) 222-3111. In Canada, dial 1 (866) 288-4268. When you call customer service, you will need the serial

The charge light is off. Make sure the power cord is plugged in correctly and securely. Make sure the battery is installed correctly in the handset. Follow the instructions in Battery installation on page 4 to install the battery. Unplug the electrical power. Wait for 15 seconds, then plug it back in. Allow up to one minute for the cordless handset and telephone base to reset. Clean the cordless handset and telephone base charging contacts each month using a pencil eraser or cloth. I get noise, static, or weak signals even when Im near the telephone base. If you subscribe to high-speed Internet service (DSL - digital subscriber line) through your telephone line, you must install a DSL filter between the telephone line cord and the telephone wall jack (see Installation on page 3). The filter prevents noise and caller ID problems caused by DSL interference. Please contact your DSL service provider for more information about DSL filters. Other electronic products, such as computers, wireless routers, microwave ovens and other cordless telephones can interfere with the performance of your cordless telephone. You may be able to improve the performance of your telephone by installing the telephone base as far away as possible from other electronic devices. Do not install this telephone near a microwave oven or on the same electrical outlet. You may experience decreased performance while the microwave oven is operating. If your telephone is plugged in with a modem or a surge protector, plug the telephone (or modem/surge protector) into a different location. If this doesnt solve the problem, relocate your telephone or modem farther apart from one another, or use a different surge protector. Relocate your telephone to a higher location. The telephone will likely have better reception when installed in a high area. If the other telephones in your home are having the same problem, the problem is in your wiring or telephone service. Contact your telephone service provider (charges may apply). I experience poor sound quality when using the speakerphone. For increased sound quality while using the speakerphone, place the handset on a flat surface with the dial pad facing up. When using a speakerphone, controlling background noise in your environment is essential. While you are listening to your party, press MUTE/DELETE to temporarily turn your microphone off. When it is your turn to speak, remember to press MUTE/DELETE again to turn the microphone on. Excessive background noise will cause a speakerphone to fade in and out. Try controlling the background noise by turning off any audio devices near the speakerphone. Also, try to avoid interrupting the person at the other end of the conversation while they are speaking. If background noise cannot be controlled, you should terminate speakerphone operation and return to normal handset mode. 21, or call 1 (800) 2223111. In Canada, dial 1 (866) 288-4268.
visit our website at Especially about cordless telephones Privacy: The same features that make a cordless telephone convenient create some limitations. Telephone calls are transmitted between the telephone base and the handset by radio waves, so there is a possibility that your cordless telephone conversations could be intercepted by radio receiving equipment within range of the cordless handset. For this reason, you should not think of cordless telephone conversations as being as private as those on corded telephones.
Electrical power: The telephone base of this cordless telephone must be connected to a working electrical outlet which is not controlled by a wall switch. Calls cannot be made from the handset if the telephone base is unplugged, switched off or if the electrical power is interrupted. Potential TV interference: Some cordless telephones operate at frequencies that may cause interference to TVs and VCRs. To minimize or prevent such interference, do not place the telephone base of the cordless telephone near or on top of a TV or VCR. If interference is experienced, moving the cordless telephone farther away from the TV or VCR will often reduce or eliminate the interference. Rechargeable batteries: This product contains nickel-metal hydride rechargeable batteries. Exercise care in handling batteries in order not to create a short circuit with conductive material such as rings, bracelets, and keys. The battery or conductor may overheat and cause harm. Observe proper polarity between the battery and the battery charger. Nickel-metal hydride rechargeable batteries: Dispose of these batteries in a safe manner. Do not burn or puncture. Like other batteries of this type, if burned or punctured, they could release caustic material which could cause injury. The RBRC Seal means that the manufacturer is voluntarily participating in an industry program to collect and recycle nickel-metal hydride rechargeable batteries when taken out of service within the United States. These batteries may be taken to a participating local retailer of replacement batteries or recycling center. Or you may call 1 (800) 8-BATTERY for locations accepting spent Ni-MH batteries. Precautions for users of implanted cardiac pacemakers Cardiac pacemakers (applies only to digital cordless telephones): Wireless Technology Research, LLC (WTR), an independent research entity, led a multidisciplinary evaluation of the interference between portable wireless telephones and implanted cardiac pacemakers. Supported by the U.S. Food and Drug Administration, WTR recommends to physicians that: Pacemaker patients Should keep wireless telephones at least six inches from the pacemaker. Should NOT place wireless telephones directly over the pacemaker, such as in a breast pocket, when it is turned ON. Should use the wireless telephone at the ear opposite the pacemaker. WTRs evaluation did not identify any risk to bystanders with pacemakers from other persons using wireless telephones. Especially about telephone answering systems Two-way recording: This unit does not sound warning beeps to inform the other party that the call is being recorded. To ensure that you are in compliance with any federal or state regulations regarding recording a telephone call, you should start the recording process and then inform the other party that you are recording the conversation.

The Ringer Equivalence Number (REN) for this terminal equipment is 0.1B. The REN is an indication of the maximum number of devices allowed to be connected to a telephone interface. The termination on an interface may consist of any combination of devices subject only to the requirement that the sum of the RENs of all the devices does not exceed five. This product meets the applicable Industry Canada technical specifications.

FCC Part 15

This equipment has been tested and found to comply with the requirements for a Class B digital device under Part 15 of the Federal Communications Commission (FCC) rules. These requirements are intended to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. Changes or modifications to this equipment not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Privacy of communications may not be ensured when using this telephone. To ensure safety of users, the FCC has established criteria for the amount of radio frequency energy that can be safely absorbed by a user or bystander according to the intended usage of the product. This product has been tested and found to comply with the FCC criteria. The handset may be safely held against the ear of the user. The telephone base shall be installed and used such that parts of the users body other than the hands are maintained at a distance of approximately 20cm (8 inches) or more. This Class B digital apparatus complies with Canadian ICES-003.

Limited warranty

The AT&T brand is used under license - any repair, replacement or warranty service, and all questions about this product should be directed to our website at or call 1 (800) 222-3111. In Canada, dial 1 (866) 288-4268.
1. What does this limited warranty cover? The manufacturer of this AT&T branded product warrants to the holder of a valid proof of purchase (CONSUMER or you) that the product and all accessories provided in the sales package (PRODUCT) are free from defects in material and workmanship, pursuant to the following terms and conditions, when installed and used normally and in accordance with the PRODUCT operating instructions. This limited warranty extends only to the CONSUMER for products purchased and used in the United States of America and Canada. 2. What will be done if the PRODUCT is not free from defects in materials and workmanship during the limited warranty period (materially defective PRODUCT)? During the limited warranty period, the manufacturers authorized service representative repairs or replaces at the manufacturers option, without charge, a materially defective PRODUCT. If the manufacturer repairs the PRODUCT, they may use new or refurbished replacement parts. If the manufacturer chooses to replace the PRODUCT, they may replace it with a new or refurbished PRODUCT of the same or similar design. The manufacturer retains the defective parts, modules, or equipment. Repair or replacement of the PRODUCT, at the manufacturers option, is your exclusive remedy. The manufacturer returns the repaired or replacement products to you in working condition. You should expect the repair or replacement to take approximately 30 days. 3. How long is the limited warranty period? The limited warranty period for the PRODUCT extends for ONE (1) YEAR from the date of purchase. If the manufacturer repairs or replaces a materially defective PRODUCT under the terms of this limited warranty, this limited warranty also applies to repaired or replacement PRODUCT for a period of either (a) 90 days from the date the repaired or replacement PRODUCT is shipped to you or (b) the time remaining on the original one-year limited warranty; whichever is longer. 4. What is not covered by this limited warranty? This limited warranty does not cover: PRODUCT that has been subjected to misuse, accident, shipping or other physical damage, improper installation, abnormal operation or handling, neglect, inundation, fire, water, or other liquid intrusion; or PRODUCT that has been damaged due to repair, alteration, or modification by anyone other than an authorized service representative of the manufacturer; or PRODUCT to the extent that the problem experienced is caused by signal conditions, network reliability or cable or antenna systems; or PRODUCT to the extent that the problem is caused by use with non-AT&T accessories; or PRODUCT whose warranty/quality stickers, PRODUCT serial number plates or electronic serial numbers have been removed, altered or rendered illegible; or PRODUCT purchased, used, serviced, or shipped for repair from outside the United States of America or Canada, or used for commercial or institutional purposes (including but not limited to products used for rental purposes); or

Technical specifications

RF frequency band Channels Operating temperature Telephone base voltage (AC voltage, 60Hz) Telephone base voltage (DC adapter output) Handset voltage Charger voltage (AC adapter output) Operating times* 1921.536MHz 1928.448MHz 5 32F 122F 0C 50C 96 130Vrms DC6V @400mA DC2.4 3.2V AC6V @300mA Talk time (handset): up to seven hours Talk time (speakerphone): up to five hours Standby: up to seven days * Operating time varies depending on your actual use and the age of the battery.

2009-2011 Advanced American Telephones. All Rights Reserved. AT&T and the AT&T logo are trademarks of AT&T Intellectual Property licensed to Advanced American Telephones, San Antonio, TX 78219. Printed in China. Issue 7 AT&T 03/11.



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