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AT&T TL90078 - page 1
User’s manual T L 9 0 0 7 8 D E C T 6 . 0 e x p a n s i o n h a n d s e t f o r u s e w i t h A T & T m o d e ls T L 9 2 2 7 8 / T L 9 2 3 2 8 / T L 9 2 3 7 8 c o r d l e s s t el ep h o n e / a n s w e r i n g s y s t e m w i t h B L U E T O O T H ® w i r e l e s s t e c h n o l o g y ...
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AT&T TL90078 - page 2
Congr atulations on your purchase of this AT&T product. Befor e using this A T&T product, please thoroughly read this user’s manual for the information necessary to install your new A T&T product. For complete instructions, please refer to the manual provided with your T L 9 2 2 7 8 / TL 9 2 32 8 / T L 9 2 3 7 8 telephone. For custome ...
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AT&T TL90078 - page 3
Th e EN E R G Y S T A R R p r o g r a m ( w ww .e n er gys t a r .g o v) r e c o gn i z es an d en c o u r ag e s t h e u s e o f pr od uc t s t h a t s a v e e n e r gy a nd he l p p r o t e c t o u r e n vi r o n m en t . W e ar e p r oud t o m a r k t h is pr od uc t wi t h t h e E N E R G Y S T AR R la b e l i n di c a ti n g i t me e t s t h e ...
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AT&T TL90078 - page 4
Battery for cor dless handset Cordless handset Charger for cor dless handset with power adapter installed Battery compartment cover User's manual P arts checklist Y our telephone package contains the following items. User’s manual TL900 78 DECT 6.0 expan sion hands et for use w ith A T&T mode ls TL9 227 8/T L9 232 8/T L92 378 cor dless t ...
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AT&T TL90078 - page 5
User’s manual T L 9 0 0 7 8 D E C T 6 . 0 e x p a n s i o n h a n d s e t f o r u s e w i t h A T & T m o d e ls T L 9 2 2 7 8 / T L 9 2 3 2 8 / T L 9 2 3 7 8 T able of c ont ents Getting s tart ed Quick ref erence guide ............... 1 Handset status icon .................... 4 Installation ....................................... 5 Charger ...
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AT&T TL90078 - page 6
Getting started Quick r e f er ence guide MENU/SELECT Pr e ss t o d is pl a y th e me nu . Wh il e i n th e me nu , pr ess t o se le ct an i te m o r sa v e an en tr y or s e tt in g. DELETE/MUTE During a call, pres s to mute micr ophone. While revi ewing th e call er ID hist ory , pr ess to del ete an indi vidual entry , or pres s and h old t o cl ...
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AT&T TL90078 - page 7
Getting started Quick r e f er ence guide REDIAL/P AUSE Press to view r edial memory. While entering numbers, press and hold to insert a dialing pause. SPEAKER Press to turn on the handset speakerphone. Press again to r esume normal handset use. HOME/FLASH Press to mak e or answer a HOME call. Flashes rapidly when there is an incoming HOME call. Fl ...
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AT&T TL90078 - page 8
Getting started Quick r e f er ence guide For complete instructions, please refer to the manual provided with your T L 9 2 2 7 8 / T L 9 2 3 2 8/ T L 92 3 7 8 telephone. If you ar e unable T L 9 2 2 7 8 / TL 9 2 32 8 / T L 9 2 3 7 8 t elephone. If you are unable telephone. If you are unable to find your manual, go to www .t elephones.at t.c om to r ...
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AT&T TL90078 - page 9
HANDSET 1 10:21 AM 11/23 2 5 M I SS E D C A LL S NEW MUTE HO M E l i ne - o n s t e a d y w h e n th e H OM E l i ne i s in u s e . C EL L UL A R l in e - on s t e a d y w h e n t h e C EL L UL A R l in e i s i n u s e . BL U E T O O TH - on s t e a d y w h e n a c e l l ul a r p ho n e i s c o n - ne c t e d w i th t h e t el e ph o n e ba s e . N ...
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AT&T TL90078 - page 10
Getting started Install ation 5 See pages 7-9 for easy instructions. Y ou must install and charge the bat tery befor e using the telephone. S T OP! Y ou r pr odu c t m a y be sh i pp e d w it h a pr o t e ct i ve st i ck er c o ve r in g th e ha n ds e t o r t el e p ho n e b as e dis p la y - r e mo v e it be f or e use . For customer service or p ...
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AT&T TL90078 - page 11
Getting started Char ger inst allation IMPORT ANT INFORMA TION Use only the power adapter(s) supplied with this pr oduct. T o order a replacement power adapt er , visit our website at www .t elephones.a tt.c om , or call 1 (800) 222-3111 . In Canada, dial 1 (866) 288-4268 . The power adapter is intended t o be correctly orient ed in a vertical or f ...
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AT&T TL90078 - page 12
Getting started Bat t ery install ation & char ging Install the batt ery as shown on the next page. Once you ha ve installed the batt ery , the screen indicat es the battery status (see table below). If necessary , place the handset in the telephone base or charger t o charge the batt ery . For best performanc e, keep the handset in the char ge ...
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AT&T TL90078 - page 13
Getting started Bat t ery install ation & char ging Step 1 Pl u g t he ba t t er y se c ur el y in t o th e c on n ec t o r in s id e th e ha nd s et ba t t er y c om p ar t me n t, ma t c hi n g t he co l o r- c od e d la b el . In se r t th e su pp l ie d bat te ry wi t h t he la be l TH IS SI D E U P f a ci n g up as in d ic a t ed . Step 2 ...
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AT&T TL90078 - page 14
Getting started Bat t ery install ation & char ging Charge the handset by placing it f ace up in the telephone base or char ger . The CHARGE light will be on when charging. Step 4 IMPORT ANT INF ORMA TION Use only the supplied rechar geable battery or r eplacement batt ery (model BT8001). T o or der , visit our website at www .t elephones.a tt. ...
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AT&T TL90078 - page 15
Appendix A Adding and r egistering handsets Befor e using a new TL90078 handset, you must regist er it with the AT&T TL92278/TL92328/TL92378 telephone system (purchased separately). The AT&T TL92278/TL92328/TL92378 telephone system can accommodate up to 12 handsets. The handsets provided with the TL92278 come pre-registered as HANDSET 1 and ...
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AT&T TL90078 - page 16
Appendix A Adding and r egistering handsets 11 HANDSET X REGISTERED When first purchased, all expansion handsets show NOT REGISTERED on the screen. New handsets may need to be char ged without interruption for at least 10 minut es befor e regist ering to the telephone base. T o r e g i st e r a h a n d s et t o yo u r t el e p h o ne b a s e 1. Mak ...
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AT&T TL90078 - page 17
12 Appendix A R eplacing a handset Y ou may need to der egister your handsets if: Y ou have twelv e register ed handsets and need to r eplace a unit. -OR- Y ou wish to change the designat ed handset number of your register ed handsets. Y ou must first der egister ALL the handsets, and then r e-regist er each handset you wish to use. Please r ead ca ...
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AT&T TL90078 - page 18
Appendix B T r oubl eshooting If you have diffi cul ty wit h your tele pho ne, plea se try the sug ges tio ns bel ow . F or Cust om er Ser vic e, vi sit ou r websi te at www .te l ep hon es .a t t. c om , or ca ll 1 (800) 222– 311 1 . In Can ada , dial 1 (866 ) 288 -42 68 . My phone doesn’t work at all. • Make sure the power cor d is securel ...
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AT&T TL90078 - page 19
Appendix B T r oubl eshooting • First try all the suggestions above. • Make sure you hav e a dial tone befor e dialing. The cordl ess handset may tak e a second or two to find the t elephone base and produce a dial t one. This is normal. Wait an e xtra second be fore dialing. • Eliminate any backgr ound noise. Noise from a t elevision, radio ...
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AT&T TL90078 - page 20
Appendix B T r oubl eshooting My cordl ess handset isn’t performing normally . • Make sure the power cor d is securely plugged into the telephone base. Plug the unit into a differ ent, working electrical outlet not contr olled by a wall switch. • Move the cordless handset closer t o the telephone base. Y ou might have moved out of range. • ...
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AT&T TL90078 - page 21
Appendix B T r oubl eshooting 16 SEARCHING F OR BASE appears on my cordl ess handset. • Ensure that the telephone base is powered up. • Place the cordless handset in the tel ephone base for one minute t o allow the cor dless handset and base to r esynchronize channels. • Move the cordless handset closer t o the telephone base. Y ou might have ...
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AT&T TL90078 - page 22
Appendix B T r oubl eshooting 17 The batteries will not hold a charge. • If the cordless handset is in its tel ephone base or charger and the char ge light does not come on, re fer to The char ge light is off in this T r oubl eshooting guide. • Charge the battery in the cor dless handset for at least 16 hours. F or optimum daily performance, r ...
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AT&T TL90078 - page 23
Appendix B T r oubl eshooting I hear other calls while using my phone. • Disconnect the telephone base from the telephone jack, and plug in a differ ent telephone. If you still hear other calls, the problem is pr obably in your wiring or local service. Call your local t elephone company . 18 I experience poor sound quality when using the speakerp ...
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AT&T TL90078 - page 24
Appendix B T r oubl eshooting 19 My cordl ess handset does not ring when I receiv e a call. • Make sure that the ringer is not turned off . Refer t o the section(s) on ringer selection in the manual provided with y our TL92278/ TL92328/TL92378 telephone. • Make sure the tel ephone line cord is plugged securely int o the telephone base and the t ...
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AT&T TL90078 - page 25
Appendix B T r oubl eshooting • Other electronic pr oducts can cause interfer ence with your cor dless phone. T ry installing your phone as far aw ay from the following electr onic devices as possible: television sets, V CRs, or other cordless telephones. • Do not install this phone near a microwave oven or on the same electrical outlet. Y ou m ...
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AT&T TL90078 - page 26
Appendix B T r oubl eshooting • Caller ID is a subscription service. Y ou must subscribe to this service fr om your local telephone company f or this featur e to work on your phone. • Your call er must be calling from an ar ea that supports caller ID. • Both you and your caller’s telephone companies must use caller ID compatible equipment. ...
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AT&T TL90078 - page 27
Appendix B T r oubl eshooting Common cure for electr onic equipment. If the unit does not seem to be responding normally , try putting the cor dless handset in its base. If it does not seem to r espond, do the following (in the or der listed): 1. Disconnect the power to the telephone base. 2. Disconnect the cordl ess handset battery , and spare bat ...
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AT&T TL90078 - page 28
Appendix C Ma in t e na nc e T aking care of your t elephone • Your c ordless t elephone contains sophisticat ed electronic parts, so it must be treat ed with care. • Avoid rough tr eatment. • Place the handset down gently. • Save the original packing materials to pr otect your tel ephone if you ever need to ship it. Avoid wat er • Your t ...
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AT&T TL90078 - page 29
Appendix D Important saf ety in formation This symbol is to alert you t o important operating or servicing instructions that may appear in this user’s manual. Always follow basic sa fety precautions when using this pr oduct to reduce the risk of injury , fir e, or electric shock. Safety inf ormation • Read and unders tand all ins tructions in t ...
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AT&T TL90078 - page 30
Appendix D Important saf ety in formation • Replac e bat teries onl y as described in your user’s manual (pages 8-9) . Do not burn or puncture bat teries — they contain caustic chemicals. • This power adapter is int ended to be c orr ectly orient ed in a vertical or floor mount position. The pr ongs are not designed to hold the plug in plac ...
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AT&T TL90078 - page 31
Appendix D Important saf ety in formation Rechar geabl e bat teries: This pr oduct contains nick el-metal hydride rechar geable batt eries. Exer cise care in handling batteries in or der not to cr eate a short circuit with c onductive material such as rings, brac elets, and ke ys. The battery or conductor may o verheat and cause harm. Observe prope ...
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AT&T TL90078 - page 32
Appendix D Important saf ety in formation P ACEMAKER P A TIENTS • Should keep wirel ess 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 . WTR’s evalu ...
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AT&T TL90078 - page 33
Appendix E F C C P art 68 and A CT A T h i s e q ui p me n t co mp l ie s w it h P ar t 6 8 of th e F C C r ul es an d w i th t e ch n ic a l r e q u i r e m e n t s ad o pt ed b y t he Ad m in is t ra ti ve C o un c il f or T e r m i na l A tt a c h m e n ts ( AC T A) . T he la b el on th e b ac k o r b o t t o m o f t h is e q u i pm e nt co nt a ...
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AT&T TL90078 - page 34
Appendix E F C C P art 68 and A CT A I f t hi s e q ui p me nt is ca u si n g ha r m t o th e t e l e p h on e n e tw or k , t he t e le ph o ne co mp an y m a y t e m p o ra ri ly d i sc on ti n ue yo ur t el ep ho n e s e r v ic e. Th e t el ep ho ne co mp an y i s r e q u i r e d t o n ot i fy yo u be fo r e i n t er ru p ti n g s er vi c e. I f ...
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AT&T TL90078 - page 35
Appendix E F C C P art 68 and A CT A I n d u st ry C a na d a O p e r at io n i s s ub je c t t o th e f ol lo wi ng tw o c on di t io n s: ( 1 ) t hi s d e vi ce m a y n o t ca u se ha r mf ul in t e r f e r e n c e , a nd ( 2 ) t hi s d e vi ce m u st ac c e p t a n y in te rf er e n c e , i nc l ud in g i n te rf er e n c e t ha t m a y ca us e ...
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AT&T TL90078 - page 36
Appendix F F C C P art 15 This equipment has been tested and f ound to comply with the requir ements for a Class B digital devic e under Part 15 of the Federal Communications Commission (F CC) rules. These requir ements are int ended to pr ovide reasonable prot ection against harmful interfer ence in a residential installation. This equipment gener ...
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AT&T TL90078 - page 37
Appendix F F C C P art 15 T o ensure sa fety of users, the FC C has established criteria f or the amount of radio fr equency energy that can be safel y absorbed by a user or bystander ac cording t o the intended usage of the product. This pr oduct has been tested and f ound to comply with the FCC crit eria. The handset may be saf ely held against t ...
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AT&T TL90078 - page 38
Appendix G Limit ed warr anty T he A T& T b r a nd i s us e d u nd e r l ic en se - a n y r ep ai r , r e p la c e m e n t o r w ar r an ty s e r vi c e , a nd a l l q u e s t io n s a bo u t t hi s p r o d u ct s h o ul d be d ir ec t e d t o: In t h e U n i t e d St at e s o f A m er i c a , v i s i t w w w . t e l ep h o n e s . a t t . c o ...
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AT&T TL90078 - page 39
Appendix G Limit ed warr anty Ho w l o n g i s t h e l i m i t e d w a r r a n ty p e r io d ? T he l i m it ed w a r r a n t y p e r i o d f o r t he P R O D UC T e x t e n d s f or O N E ( 1) Y EA R f r o m th e d a t e o f p u r c h as e . I f t h e ma n u f a c t ur er r e p a ir s o r r e p l ac es a m a t e r ia l l y d e f e ct i v e P R OD ...
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AT&T TL90078 - page 40
Appendix G Limit ed warr anty • PR O DU C T r e t u r ne d w i th o u t v al i d p r o o f o f p ur ch a se ( s e e i t e m 6 b el o w ) ; -o r - • Ch ar ge s f or i n s t a l l at i o n or s e t up , a d ju s t m e nt o f cu s t o m e r c on tr ol s , a nd i n s t al l a t i on o r r e p ai r o f s ys t e ms o u t s id e t h e u n i t . Ho w d ...
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AT&T TL90078 - page 41
Appendix G Limit ed warr anty Ot h e r l im i t a t i on s This warranty is the compl ete and ex clusive agreement between you and the manufactur er of this A T&T branded PRODUCT . It supersedes all other written or or al communications r elated to this PRODUCT . The manuf acturer pr ovides no other warranties for this PRODUCT . The warranty ex ...
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AT&T TL90078 - page 42
Appendix H T echnical specifications 37 RF frequency band 1921.536 MHz — 1928.448 MHz Channels 5 Operating temperat ure 32°F — 122°F 0°C — 50°C Handset voltage 2.4 — 3.2 VDC Charger volt age (AC adapter output) 6VA C @300mA Replacement batt ery 2.4V 750mAH O pe r at i o n O pe r at i n g t i m e * T al k ti m e ( ha n d s e t) U p t o n ...
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AT&T TL90078 - page 43
DECT 6.0 digital technology Th e A T&T DEC T 6.0 p ro duc t s of f er un sur pa ss ed r an ge pe r for ma nce an d so und c la ri t y . T his i s ach ieved t hro ugh a u niq ue an tenn a des ign a nd adv an ces in n ois e -f ilte ri ng tec hno log y. An ind ep end ent l ab or ator y has conf ir me d tha t A T&T DEC T 6 . 0 pro duc t s p er ...
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AT&T TL90078 - page 44
www .t elephones.a tt.c om The Bluetooth ® wor d mark and logos ar e owned by Bluet ooth SIG, Inc. and any use of such marks by Advanc ed American T elephones and its parent, VT ech Holdings Limited, is under license. VT ech Holdings Limited is a member of Bluetooth SIG, Inc. Other trademarks and tr ade names ar e those of their r espective owners ...
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