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Every effort has been made to ensure the highest standards of reliability for your phone.  
However, if something does go wrong, do not try to repair it yourself – consult your 
supplier. 

 
 

SPECIFICATIONS  

  

TYPE DESCRIPTION 

Handset L x W x H 

5.55 x 1.73 x 0.94 in  

Handset weight 

4.41oz (with battery) 

Base L x W x H 

4.96 x 4.48 x 1.50 in 

Base Weight 

5.29 oz 

Standard 

Worldwide Digital Cordless Telecommunication (WDCT) 

Frequency range 

2.4GHz ISM 

Channel bandwidth 

1.729MHz 

Modulation GFSK 
Communication range 

Up to 984ft in open area 

Base power supply 

120V / 60Hz 

Handset power supply 

1 x NiMH 650mAh 3.6V (AAA) battery pack 

Operating time 

Standby: Approximately 120 hours 
Talk: Approximately 5 hours  

Operating temperature 

32

°

F to 113

°

Storage temperature 

-4

°

F 140

 °

 
 
 
 

 

FCC STATEMENT

 

 

DECLARATION OF CONFORMITY 

 
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. 
 

WARNING

 Changes or modifications to this unit not expressly approved by the party 

responsible for compliance could void the user authority to operate the equipment. 
 

NOTE

 This equipment has been tested and found to comply with the limits for a Class B 

digital device, pursuant to Part 15 of the FCC Rules.  These limits are designed 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. 

 

CAUTION

  To maintain the compliance with the FCC’s RF exposure guideline, place the 

base unit at least 20 cm from nearby persons. 

Summary of Contents for ID-2820

Page 1: ...AT T ID 2820 Digital Cordless Telephone with Touch Keypad USER MANUAL c 2006 AT T Knowledge Ventures All rights reserved ...

Page 2: ...Viewing and calling Caller ID records 13 Formatting Caller ID numbers 14 Saving Caller ID records TO phonebook 14 Deleting Caller ID records 14 Deleting all Caller ID records 15 Missed calls 15 VOICE MAIL 15 PROGRAMMING VOICE MAIL ACCESS NUMBER 15 Message waiting 16 Handset Settings 16 Using handset keys to enter text 16 Navigate handset menus 17 Change display settings 18 Change ring and key tone...

Page 3: ...y information 25 CARE AND MAINTENANCE 26 Caring for your product 27 Specifications 28 FCC Statement 28 Declaration of conformity 28 Consumer information 29 Limited warranty 30 Procedure for warranty repair 31 ...

Page 4: ...lity 60 Phonebook Records with Search and Edit Function 20 Last Number Redial Records 40 Incoming Caller ID Records 10 Polyphonic Melodies and 4 Traditional Ring Tones Handset Speakerphone Intercom Call Transfer Conference Call Capability Mute Redial Functions Message Waiting Missed Call Notification Clock Alarm Functions Multiple Language Display Standby Time 120 hours Talk Time 5 hours PACKAGE C...

Page 5: ...d characters 7 enter numbers and special characters 8 enter special characters 9 answer call waiting call delete text exit submenu 10 go to menu enter setting manual Key Lock 11 Microphone 12 Detachable belt clip 13 Headset jack 14 end call exit to standby mode 15 access Phonebook 16 toggle between upper case and lower case letters when entering text 17 dial pre programmed voice mail access number...

Page 6: ...e lower portion of the phone closer to your mouth The keypad will automatically disable when the receiver first touches your ear This feature reduces the risk of accidental keypad activation while the phone is held against the side of your face To get the best use out of your Touch phone pick it up from the back and sides and cradle it in your hand While talking avoid touching the keypad area unne...

Page 7: ...ered a small key will appear in the top left corner of the display GETTING STARTED CONNECTING BASE UNIT AC ADAPTER AND PHONE LINE Plug the power adapter and phone line into the appropriate wall outlets which should be easily accessible and near the equipment Connect the AC adapter and phone line to the base unit HANDSET BATTERY PACK The handset uses 1 x NiMH 650 mAh 3 6V AAA rechargeable battery p...

Page 8: ... battery pack according to the instructions CHARGING HANDSET BATTERY PACK To charge the handset 1 Place the handset in the cradle of the base unit 2 The battery icon on the display and the base indicator light will flash to indicate the handset is charging 3 When the battery is fully charged the battery icon will stop flashing and will appear 4 After the initial charge to enhance battery life and ...

Page 9: ...an error touch to cancel or touch to delete numbers and re enter You can touch to insert a 2 second pause while dialing P will appear on the screen to indicate where the pause will occur Touch to dial To answer a call Remove the handset from the base unit and touch NOTE When making or answering calls bring the top of handset receiver to your ear before speaking Once the receiver has made contact w...

Page 10: ...gle between calls NOTE You must subscribe to Call Waiting service through your local phone company To adjust volume during call Touch or to raise or lower the volume To mute the microphone during call Touch to activate and deactivate mute STANDBY MODE AND SLEEP MODE When the handset has been inactive for a while it will enter sleep mode and the LCD backlight and key lights will switch off Press an...

Page 11: ...the number 1 key to enter a space between characters 4 Repeat steps 1 and 2 until the name is entered NOTE For a full list of characters and their assigned numbers see the section in this manual titled HANDSET SETTINGS on Page XX DELETING NUMBERS To delete 1 record 1 Touch 2 Touch or or alphabetic search to select the record you wish to delete 3 Touch 4 Use or to select DELETE RECORD 5 Touch to co...

Page 12: ...ming call is stored in the Phonebook the name as it is entered will also be displayed VIEWING AND CALLING CALLER ID RECORDS The call log records the caller name number date and time for the previous 40 calls To view the call log 1 Touch or to enter the call log during standby mode The number of new and total calls will be displayed 2 Use or to review individual call details To dial the reviewed nu...

Page 13: ...ler ID shows 123 4567 Press again Caller ID shows 206 123 4567 again 3 To dial the formatted number Touch and using the or keys select DIAL or DIAL 1 4 Touch to dial the number SAVING CALLER ID RECORDS TO PHONEBOOK 1 Touch or to review the call log The number of new and total calls will be displayed 2 Use or to select the number you wish to save 3 Touch The cursor is pointing to ADD RECORD 4 Touch...

Page 14: ... access number for easy one touch dialing using the key Your voice mail access number is stored in your Phonebook under the name VMAIL To program your voice mail number 1 Press the key When the key is first pressed and there is no Vmail number programmed the unit displays NO VMAIL SET and will automatically add a Phonebook record with default Phonebook name VMAIL 2 Enter your Voice Mail access num...

Page 15: ...r Msg Wait 2 Use or to select YES 3 Touch to confirm 4 ACCEPTED indicates that base has been selected RETRY indicates that selection has failed Touch to retry or to quit NOTE Clearing the message waiting indicator without deleting or saving the new voice mail message s will only turn the indicator light off until next new call is received You must first delete or save all new voice mail messages f...

Page 16: ...enu The symbol indicates selected menu or setting 3 Use to confirm or select the next menu Use to exit to the previous menu TIP You cannot enter the menu if you are making a call or have pre dialed any part of a phone number When you have changed a setting the handset will beep and exit the menu List of submenus Standby Language ENGLISH FRANCAIS ESPANOL Ring Setting Ring Volume External Call Inter...

Page 17: ...onfirm To alter backlight time 1 Go to Phone Setup menu Backlight Time 2 Use or to change select backlight time 20 30 40 50 or 60 seconds 3 Touch to confirm CHANGE RING AND KEY TONES There is a choice of 10 polyphonic ring melodies and 4 ring tones You can also choose from 4 key tones To adjust ring volume 1 Go to Ring Setting menu Ring Volume 2 Select EXTERNAL CALL or INTERCOM CALL 3 Use or to se...

Page 18: ...the base unit Interference from other electrical appliances such as a TV microwave or computer should be avoided If you are out of range or the signal is interrupted will disappear and OUT OF RANGE will be displayed NOTE Due to radio interference occasional loss of synchronization between the handset and base unit may occur If this happens the base unit will very quickly switch to another channel ...

Page 19: ...d with your fingers until the handset receiver rests on your ear Smart Key Lock will disengage as soon as you remove the handset receiver from your ear To activate deactivate Smart Key Lock function 1 Go to Phone Setup menu Smart Key Lock 2 Touch to confirm 3 Use or to select ON OFF 4 Touch to confirm To activate deactivate manual Key Lock In standby mode touch then immediately touch will appear i...

Page 20: ...2 hour display format is selected 6 Touch to confirm NOTE indicates alarm is set To turn alarm off simply touch the keypad If the keypad is not touched alarm will ring for 2 minutes and then automatically turn off To change time display format 1 Touch and select the Set Time menu Display Format 2 Use or to select 12 24 hour format 3 Touch to confirm 4 Use or to select day month format 5 Touch to c...

Page 21: ...ter it to the base unit in order to make and receive calls You can register up to 3 more handsets to make and receive calls via the same base unit Handsets are numbered 1 to 4 If your handset is too far away that lost registration from the base or the handset is not yet proceeded registration to base Not registered will shown on the handset To register a new handset 1 Touch and select the Security...

Page 22: ...et and the outside line ROOM MONITOR The Room Monitor feature can be used to listen through another handset located in a nearby room When the Room Monitor feature is set another handset user can listen to the sound surrounding the room monitor unit by using the Intercom function The called handset with Room Monitor set connects the intercom automatically The called handset will display ROOM MONITO...

Page 23: ... service for this feature to work Contact your local phone company confirm you have signed up for Call Waiting Caller ID service While receiving the Call Waiting call a second line was also off hook The ID 2820 cannot receive Call Waiting ID data when a second line is also off hook Handset does not ring Ring Volume is set to OFF see the section in this manual titled HANDSET SETTINGS CHANGE RING AN...

Page 24: ...sembly can cause electric shock when the appliance is subsequently used 10 Never use this unit near a gas leak as this can cause explosions 11 Unplug this product from the wall jack and refer servicing to qualified service personnel under the following conditions a If liquid has been spilled into the product b If the product does not operate normally by following the operating instructions Adjust ...

Page 25: ...and keys The battery pack or conducting material may overheat and cause burns or fire 5 Change the battery pack provided with or identified for use with this product only in accordance with the instructions and limitation specified in the user s manual Do not attempt to charge the battery pack with any means on than that specified in the user s manual Rechargeable Nickel Metal Hydride Battery Warn...

Page 26: ...opped Place the unit securely on a stable surface Keep the product away from heat sources such as radiators stoves heaters and other heat generating products Never immerse the unit in water use your phone outdoors in the rain or handle it with wet hands Do not subject the base unit to extreme force shock or fluctuations in humidity Do not tamper with the internal components or disassemble the unit...

Page 27: ...t not expressly approved by the party responsible for compliance could void the user authority to operate the equipment NOTE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates...

Page 28: ...t a decimal point e g 03 is a REN of 0 3 For earlier products the REN is separately shown on the label e If this equipment ID 2820 causes harm to the telephone network the telephone company shall make reasonable efforts to notify you in advance that temporary discontinuance of service may be required However if advance notice is not practical the telephone company will notify the customer as soon ...

Page 29: ...outside of AT T s control including but not limited to acts of God fire flood damage while in transit to service facility We do not warranty that the product will be compatible with any telephone equipment or systems or party lines This warranty shall be void if the product is damaged as a result of defacement misuse abuse neglect accidents destruction or alteration of the serial number improper e...

Page 30: ...sed within the last twelve months Print your name and address along with a description of the defect and include this in the package Include payment for any service or repair not covered by warranty as determined by AT T WHAT DOES OUR WARRANTY NOT COVER Battery pack Damage from misuse neglect or acts of nature lightning floods power surges etc Products which may have been modified or incorporated ...

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