BEFORE YOU BEGIN P a rts List Your box should include: This User’s Manual Handset Power adapter Quick Start Guide Base unit NiCd battery pack Telephone line cord...
BEFORE YOU BEGIN About Caller Identification (Caller ID) This product has a Caller ID with Call Waiting feature that works with service from your local phone service provider. Caller ID with Call Waiting lets you see who’s calling before you answer the phone, even when you’re on another call.
INSTALLATION Base Installation ¥ NOTE: Install the base unit away from electronic equipment, such as personal computers, television sets or microwave ovens. Avoid excessive heat, cold, dust or moisture. Connect the power cord to the base and an electrical outlet not controlled by a wall switch. Connect the Modular telephone...
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Install the handset battery. Use only AT&T Battery 3301,SKU# 91076. a) Remove battery compartment cover by pressing on indentation and sliding downward. Charge the handset battery. • Place the handset in the base. • Charge the battery for at least 12 hours. After the first charge,the battery will charge in eight hours.
Headset You can use this telephone hands-free when you install any industry standard 2.5 mm headset (purchased separately). For best results use an AT&T 2.5 mm headset. Plug the headset into the jack located on the right side of the handset (under the small rubber flap).
FEATURE SETUP F e a t u re Setup Menu ¥ NOTE: When you follow the directions to “Clear Message Waiting”or “Set Dial Method” you change settings for ALL registered handsets and the base. All other features must be set separately at each handset and the base.
Ring Pattern The external ring pattern sets which ringer you hear when you have an outside call. The intercom ring pattern sets which ringer you hear when you have an intercom call from the base or a registered handset. External ring pattern default setting is ; intercom ring pattern default setting is .
Key Click (Handset Only) When this feature is on,each key press makes a sound. Default setting is Press . The screen displays Press until the screen displays Press . The screen displays Press to select — OR — Press to select Press to save the displayed setting.
Handset Name (Handset Only) You can customize the handset to display a name or word of your choice (up to 16 characters) in place of • on the idle screen and • The default setting is Press Press Press Use the keypad and the ch a rt on page 31 to enter a handset name.
Language Setting You can set each registered handset and the base so the display appears in English, Spanish, or French. The default setting is Press . The screen displays Press until the screen displays Press . The screen displays the current language Press to scroll through the...
Clear Message Wa i t i n g If you subscribe to telephone company voice mail service,and the message waiting indicator remains on even after you have reviewed all messages, follow the directions below to turn off the indicator. ¥ NOTE: These steps will clear the message waiting indicator for ALL registered handsets and the base.
Set Dial Method ¥ NOTE: When you change the dial method setting ALL registered handsets and the base are affected. (See “About Adding Handsets”on page 2 for details about additional handsets.) This phone comes set for touch tone ( If you have dial pulse (rotary) service, you must set the dial method to Press .
TELEPHONE OPERATION Idle Screen When the handset is within range of the base and the handset and the base are not on a call or in Feature Setup mode,the screen displays If you assign a name to the handset (see “Handset Name”on page 10),that name will be displayed instead of Make a Call...
Answer a Call At the Handset Press to answer a call. To end the call,press — OR — Place the handset in the base. At the Base Press to answer a call. The SPEAKER light will go on. To end the call,press SPEAKER light will go of f.
Call Timer When the handset or base is on a call,the screen displays a timer and whether the call is external or intercom. For example: Handset Speakerphone When the handset speakerphone is activated, you can use the phone hands-free. Stand the handset on a flat surface (not in the base) and continue your conversation.
Redial ¥ NOTE: While scrolling through redial memory you can press to ex i t . At the Handset The last five phone numbers dialed at the handset are stored in handset redial memor y. Press repeatedly until the number you want to call is displayed,then press the displayed number —...
Flash/Call Waiting If you subscribe to Call Waiting service with your local telephone service provider, you can answer a new incoming call without losing your current call. Press you receive a call-waiting signal. Press ¥ NOTE: Use subscriber services, as described by your provider. M u t e D u ring a telephone conve rs a t i o n , mu t e the handset or base microphone by pre s s i n g...
NOTE: If you have installed additional AT & T 2300 handsets (purchased sep a ra t e ly) with yo u r 2355 telep h o n e , selecting A L L idle re gi s t e red handsets.
DISPLAY SCREEN MESSAGES SCREEN DISPLAYS: WHEN: You have an incoming phone call (without Caller ID). You have an incoming intercom call. The screen also shows the calling location (for example, This handset is not registered to the base. A new uncharged battery has been installed.
DISPLAY SCREEN ICONS THIS ICON: INDICATES: The ringer is turned off at this location (See “Ring Volume”on page 7 for details.) The battery needs to be recharged. (Handset only) The Caller ID information displayed is an unreviewed call. There are unreviewed calls in the call log.
BASE LIGHTS LIGHT: STATUS: CHARGING flashing SPEAKER MUTE INDICATES: Handset is in the base charging The base is registering to the handset Base speaker phone is in use Call is muted at base...
TONES AND WHAT THEY MEAN TONE: INDICATES: Three quick beeps Handset is out of range of the base One double beep Handset has failed to register with base Two double beeps Handset battery charge is low One beep Handset registration is complete...
INTERCOM OPERATION ¥ NOTE: If you have installed additional AT&T 2300 Expansion Handsets with your AT&T 2355 Telephone, the following features can also be used between registered handsets.(See “About Adding Handsets”on page 2 for more information.) Intercom Calls You can make intercom calls between the base and handset(s) or between registered handsets.
Answer an Incoming Call While on an Intercom Call If an incoming call is received while you are using the intercom, you will hear a double beep and the screen will display call information as usual for 15 seconds. To answer the incoming call,press handset or on the base.
Transfer a Call You can transfer a call from the base or a handset to another location and announce the caller. Press the base. Your call is put on hold and the screen displays. destinations. When the desired location is highlighted,press When other party answers the call,announce the caller.
F o rw a rd a Call You can fo r wa rd a call f rom the base or a handset to another location without announcing the caller. Press on the handset or on the base. Your call is put on hold and the screen displays to scroll through the list of destinations.
C o n f e rence Calling If one location is already on a call, you can connect the other location (or a second handset,if installed) to the call by pressing — OR — You can first intercom another handset by pressing handset,then press location is highlighted.
PHONEBOOK This telephone can store up to 50 telephone numbers and names. Phone book entries a re stored in alphab e t i c a l order. Storing a name and number at the base or at any registered handset automatically stores it at all locations.
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Enter the telephone number (up to 24 digits). Press Enter a name (up to 16 characters) connected with this number, using the keypad and chart on page 31. You must store a name with each number. Press — OR — If the phone book is already full,the screen displays 10 Begin at Step 5 to enter another telephone...
Dial a Number in Phone Book 1 Press phone book entry. Skip to Step 5. — OR — Press Press Press Press book entry and looks similar to Enter the first letter of the stored name you want to find,then scroll using —...
Edit a Number/Name in Phone Book 1 Press . The screen displays the first phone book entry. Skip to Step 5. — OR — Press . The screen displays Press . The screen displays Press . The screen displays Press .
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To erase a digit,press the handset or press — OR — To delete the entire telephone number, press and hold handset or Press enter name mode. To erase a character, press on the handset or press on the base — OR — To delete the entire name,press and hold (DELETE) on the handset or on the base.
Delete a Number/Name from Phone Book 1 Press . The screen displays the first phone book entry. Skip to Step 5. — OR — Press . The screen displays Press . The screen displays Press . The screen displays Press .
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When you find the number you wish to delete, press displayed entry. The screen display is similar to Press displays the next phone book entry. (DELETE) on the handset on the base to delete the entire . The entry is deleted and the screen...
CALLER ID OPERATION If you subscribe to Caller ID service with your local phone service provider, this phone stores all incoming calls with valid Caller ID information in the call log. Name, number, time and date information can all be stored,if they are sent with the call. Calls are automatically stored in the order they are received,with call “1”stored as the most recent call.
Review Call Log Press recent call in the call log and displays the call is new. Skip to Step 3. —OR— Press Press recent call in the call log and displays the call is new. Press . The screen displays the most .
Remove Call Record s Removing a Specific Call Record Press . The screen displays the most recent call in the call log and displays the call is new. Skip to Step 3. —OR— . The screen displays Press Press . The screen displays the most recent call in the call log and displays the call is new.
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Remove All Call Record s Press recent call in the call log and displays the call is new. Skip to Step 3. —OR— Press Press recent call in the call log and displays the call is new. Press and hold Press The screen returns to the idle screen: —...
S t o re a Call Record in Phone Book You can store a number re c e i ved by Caller ID in the telephone phone book. For a call re c o rd without a va l i d name you will be prompted to enter a new name.
Display Dial While you are reviewing the call log, you can dial a number displayed on the screen. Press recent call in the call log and displays the call is new. Skip to Step 3. —OR— Press Press recent call in the call log and displays the call is new.
BATTERIES Battery Life Battery life depends on how far the handset is from the base,and other environmental conditions. ¥ NOTE: For optimum performance, charge your handset on the base every night. Charge the Handset Battery Pack • This battery should remain charged for up to three days. A fully charged battery provides an average talk time of about seven hours.
Replace the Handset Battery Pack Install the handset battery. Use only AT&T Battery 3301,SKU# 91076. a) Remove battery compartment cover by pressing on indentation and sliding downward. Charge the handset battery. • Place the handset in the base. • Charge the battery for at least 12 hours. After the first charge,the battery will charge in eight hours.
IN CASE OF DIFFICULTY If you have difficulty operating this phone,try the suggestions below. For Customer Service,visit our website at www.telephones.att.com or call 1 800 222–3111. Please retain your receipt as your proof of purc h a s e. TELEPHONE OPERATION PROBLEM SOLUTION If the phone does not...
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TELEPHONE OPERATION PROBLEM SOLUTION If you hear noise or • You may be out of range. Move closer to interference when the base. using the phone: • Household appliances plugged into the same circuit as the base can sometimes cause interference. Try moving the appliance or the base to another outlet.
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TELEPHONE OPERATION PROBLEM SOLUTION If your telephone • If you have dial pulse (rotary) service, misdials: you’ll need to set the dial method to “Set Dial Method”in the FEATURE SETUP section of this manual. • If you have touch tone service and you hear clicks while you are dialing, you’ll need to set the dial method to Follow the instructions under “Set Dial...
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CALLER ID PROBLEM SOLUTION If the caller’s name • You should call your service provider or phone number is to confirm that you subscribe to not displayed during combined Caller ID with Call Waiting Call Waiting: service. • Caller ID information received during Call Waiting is displayed only on the handset that is in use.
TECHNICAL SPECIFICATIONS TECHNICAL SPECIFICATIONS Frequency Range 2400 MHz – 2483 MHz Channels Channel Spacing 864 kHz Output Power 23 dBm Sensitivity -92 dBm Modulation GFSK Operating Temperature 0°C – 50°C Base Unit Voltage 96 – 144 Vrms (AC Voltage, 60Hz) Base Unit Voltage 9 Vdc (AC Adapter Output)
INDEX answer a call 15 base ringer 7 Base Unit 1 battery 43, 44 battery icon 43 call log 37-41 call record 39-42 Call Waiting 18 call-waiting signal 18 Caller ID 37 , 41 caller’s name or phone number not displayed 47 20, 45 charged battery 43 conference call 28...
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NEW 21 NiCd battery pack 1 no dial tone 45 phone book 29 -36, 41 Phone book entries 29 phone does not ring 46 phone does not work at all 45 Power adapter 1 power cord 3 Quick Start Guide 1 Remove All Call Records 40 ring pattern 8 Spanish 11...