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                        User's manual
TL74108/TL74208/TL74308/
TL74408/TL74258/TL74358/
TL74458
5.8 GHz corded/cordless
telephone/answering system with 
caller ID/call waiting                                                                                                                                                                                                                                                                                                                                                             
                    
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                        Congratulations  on purchasing your  new AT&T product. Before using this AT&T product, please read the Important safety information on pages 71-73 of this manual. Please thoroughly read the user’s manual for all the feature operations and troubleshooting information necessary to install  and operate your new AT&T product. You can also visit our website at www.telephones.att.com or call 1 (800) 222-3111.  In Canada, dial 1 (866) 288-4268. Model #: TL74108 (single handset)/TL74208 (two handsets)/ 
                    
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                        Parts checklist Save your sales receipt and original packaging in case it is necessary to ship  your telephone for warranty service. The model number of your telephone can be found on the label located on  the bottom of the telephone base.   Check to make sure the telephone package includes the following items: User's manual Quick start guide TL74108/TL74208/TL74308/ TL74108/TL74208/TL74308/ TL74408/TL74258/TL74358/ TL74408/TL74258/TL74358/ TL74458 TL74458 5.8 GHz corded/cordless 5.8 GHz corded/
                    
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                        User's manual TL74108/TL74208/TL74308/ TL74408/TL74258/TL74358/ TL74458 5.8 GHz corded/cordless telephone/answering system with caller ID/ call waiting Table of contents Getting started Caller ID operation Quick reference guide  Caller ID operation ..........................43     handset ..............................................1 Caller ID history ................................46 Quick reference guide       telephone base ..............................2 Answering system operation Install
                    
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                        Appendix G Important safety information .....71 Appendix H  FCC part 68 & ACTA .......................74 Appendix I  FCC part 15 .........................................76 Appendix J  Limited warranty ..............................77 Appendix K  Technical specifications ................80 Appendix L  Troubleshooting ................................81 Appendix M Index .......................................................89                                                                        
                    
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                        Getting started Quick reference guide - handset CHARGE indicator , ,  and   On when the handset is in  Press  or  to scroll up  the charger. or down while in menus.  While entering names or  CID numbers, press  or  to  move the cursor, where the  Press to display the caller  next character will appear,  ID information (page 46). to the left or right.  PHONE/FLASH MENU/SELECT Press to make or answer  Press to enter the menu.  a call. While in the menu, press to  During a call, press to  select an
                    
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                        Getting started Quick reference guide - telephone base • CLEAR: While using  • HANDSET LOCATOR/INTERCOM: While phone is idle,  menus, press to cancel  press to page handset (page 17), or initiate an intercom call  an operation, or exit the  (pages 21-22). menu display. • FLASH: During a call, press to receive an incoming call if call  • CID : Press  when the  waiting is activated (page 18). phone is idle to display  the call history (page 46).  While entering numbers  or letters, press to move  
                    
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                        Getting started Installation preparation You must install and charge  See page 8 the handset battery before  STOP! for easy instructions. using the cordless handset. If you subscribe to high-speed Internet service (Digital Subscriber Line - DSL)  through your telephone lines, you must install a DSL filter between the  telephone base and the telephone wall jack (see page 6). The filter will prevent  noise and caller ID problems caused by DSL interference. Please contact your  DSL service provider
                    
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                        Getting started Additional handsets (optional) Add new handsets to make your telephone more versatile (see page 68) Your telephone can accommodate up to four cordless handsets. You can add  new handsets (model TL77008, sold separately) anytime, but each must be  registered with the telephone base before use.  The handset provided with your TL74108 is automatically registered as  handset 1. You can register three additional handsets. Additional handsets will  be assigned numbers in the order they
                    
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                        Getting started Backup battery installation and use (not included) In the event of a power failure, your telephone can still operate with limited  functions if there are backup batteries (purchased separately) installed in  the telephone base. If a power failure happens during a call on the corded  handset, the call will continue (at the lowest volume) until you hang up; while  a call on the cordless handset or speakerphone will disconnect immediately.  During a power failure, you can still make
                    
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                        Getting started Telephone base installation If you subscribe to high-speed Internet service (Digital Subscriber Line - DSL)  through your telephone lines, you must install a DSL filter between the  telephone base and the telephone wall jack. The filter will prevent noise  and caller ID problems caused by DSL interference. Please contact your DSL  service provider for more information about DSL filters. Install the telephone base as shown below. Telephone base installation 1.  Plug the small end 
                    
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                        Getting started Charger installation 1. Plug the small end of  2. Plug the handset  the handset charger  charger power adapter  power adapter into the  into a power outlet not  jack on the underside  controlled by a wall  of the charger, then  switch. route the cord through  the slot as shown. IMPORTANT INFORMATION 1.  Use only the power adapters supplied with this product or equivalent. To order a replacement  power adapter, visit our website at www.telephones.att.com, or call   1 (800) 222-311
                    
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                        Getting started Handset battery installation & charging Install the battery as shown below. After installing the battery, you can  make and receive short calls, but replace the handset in the charger when  the handset is not being used. For optimal performance, charge the handset  battery for at least 16 hours before use. When fully charged, the handset  battery provides approximately five hours of talk time or three days of  standby time.  If the battery is depleted, it may take approximately f
                    
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                        Getting started Installation options The telephone base comes with the mounting bracket already installed for  desktop use. If wall mounting is desired, a telephone outlet wall mounting  plate with mounting studs is required. This mounting plate with studs is  available for purchase from many handware or consumer electronics retailers  and may require professional installation.  Desktop to wall mount installation To install the telephone base in the wall mount position, make sure that you  first
                    
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                        Getting started Installation options 2. Connect the telephone line cord and  3. Place the bundled telephone  power adapter to the jacks on the  line cord and power adapter  bottom of the telephone base. Bundle  cord into the cavity under the  the telephone cord and power adapter  telephone base as shown below.  cord, and secure them with a twist tie.  Align the mounting studs on the  Plug the power adapter and telephone  telephone outlet plate with the  line cord into the wall outlets. mounting 
                    
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                        Getting started Installation options Wall mount to desktop installation To change the telephone base from the wall mount position to desktop  position.  1. Untie the bundled telephone cord and power adapter cord, and make sure  that you unplug the power adapter and telephone line cord from the wall  outlets before you begin.  2. Push as indicated by arrows in the illustration until the bracket is released,  and swing it upward until it clicks into the desktop position. Side view Desk mount Wall 
                    
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                        Getting started Installation options 3. C Co on nn ne ec ct t t th he e t te elle ep ph ho on ne e lliin ne e c co or rd d a an nd d p po ow we er r a ad da ap pt te er r t to o t th he e jja ac ck ks s o on n t th he e b bo ot tt to om m  of the telephone base. 4.   Remove the telephone handset tab, rotate and replace for desktop use.  12                                                                                                                                                               
                    
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                        Getting started Belt clip & optional headset To remove the belt  To attach the  clip: belt clip: Gently lift either of the  Snap the belt clip  belt clip retaining tabs,  into the retaining  shown in the figure,  tabs on both sides  outwards to remove  of the handset as  the belt clip from the  shown in the figure. handset. For handsfree headset conversations, use any industry standard 2.5 mm  headset (purchased separately). For best results, use an AT&T 2.5 mm  headset. To purchase a headset, v
                    
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                        Telephone operation Basic operation Making a call Using a cordless handset: Elapsed  time • Press PHONE/FLASH or SPEAKER, then  enter the telephone number.  PHONE    0:00:30 To end a call: • Press OFF/CLEAR or return the handset to  the charger. The screen displays the elapsed time as you talk  (in hours, minutes and seconds). Elapsed  time Using the telephone base: • Lift the corded handset or press SPEAKER  PHONE        0:00:30 on the telephone base, then enter the  MSG # telephone number. - -
                    
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                        Telephone operation Basic operation Elapsed  TM  time Clearspeak dial-in-base speakerphone During a call you can press SPEAKER on the  SPEAKER    0:00:30 telephone base to alternate between hands-free  speakerphone and normal handset use. Press   MSG # - - SPEAKER on the telephone base to hang up. Handset speakerphone Elapsed  time During a call you can press SPEAKER on the  SPEAKER  0:00:30 cordless handset to alternate between hands-free  speakerphone and normal handset use. Press   OFF/CLEAR