ATT System 25 MultiLine Telephone User Guide

							Signaling
You can use a button to send an alert to another telephone
without actually calling that telephone.
Signaling Another Telephone
1 Do not lift the handset.
2  Press
The other telephone receives a short burst of ringing tone. 
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							Speaker
Some telephones have a 
place calls without lifting the handset, and allows others to listen
during calls.You cannot speak to the caller unless you lift the
handset.
Placing Calls 
						

							Speakerphone
If you have a Built-In-Speakerphone (BIS) telephone or multiline
telephone with a Hands-Free Unit (HFU), you can use the
Placing Calls
The light next to Speakerphone turns on to indicate that you can listen,
and the light next to Microphone turns on, indicating that you can be
heard on the other end.
2 When the other person answers, begin talking.
NOTE: If you want to temporarily keep the other person .
The light next to this button turns on again.
Answering Calls
1
2
The light next to Speakerphone turns on to
and the light next to Microphone turns on,
heard by the caller.
Begin talking.
NOTE: If you want to temporarily
hearing you, press
The light next to this button goes off.indicate that you can listen,
indicating that you can be
keep the caller from
When you want to resume your conversation with the caller,
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							Speakerphone (Continued)
Ending Calls
1 Wait until you have completed your conversation.
The lights next to the Speakerphone and Microphone
buttons go off.
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							Speed Dialing
Speed dialing allows you to dial telephone numbers (or enter
account codes) by simply dialing “ # “ and a 2- or 3-digit code.
There are two kinds of speed dialing— Personal and System.
Personal Speed Dialing codes are 2-digit numbers that allow you
to program up to twenty personal numbers. These Personal
Speed Dialing codes use the numbers 20 through 39.
System Speed Dialing codes are 3-digit numbers programmed by
your System Administrator, and are used for numbers that are
frequently called by people in your company. System Speed
Dialing codes use the numbers 100 through 189.
For instructions on how to program Personal Speed Dialing
numbers, see the section for “Programming Numbers”.
Placing Calls
1 Listen for dial tone.
2 Dial the #, followed by the selected
number (either 20 through 39 or 100speed dialing
through 189),
code
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							Testing Your Telephone
You can test the lights and ringer on your telephone if you have
a Test/Program Switch. On some telephones, the Test/Program
switch has a spring.If so, you must hold the switch in the “T”
position to test the lights and ringer; the switch will
automatically return to the midpoint when released.
Testing
1
2Slide the switch on the left side of your telephone to “T”.
The red and green lights alternately flash, and the ringer sounds.
NOTE: 
If your switch has a spring, hold the switch in the
“T” position.
If your switch has a spring, release the switch. If there is no
spring, slide the switch back to the midpoint between “T”
and “P”.
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							Transfer
You can easily transfer calls to another System 25 telephone.
You can also transfer some calls to outside lines. However, you
should see your System Administrator for more information
about this type of transfer.
When you transfer a call, the original person is temporarily
placed on hold and is not connected to the other person until
you hang up. At that time, the call disappears from your
telephone.
Transferring Calls
The light next to the button of the call on hold blinks.
2  Dial the other persons extension or press a line button, such
as
NOTE: If you misdial the number, return to the person on
hold by pressing the button next to the blinking light. Then
return to Step 1 and continue.
3  Hang up if you do not want to announce the call. 
Otherwise, announce the call and then hang up to complete
the transfer.
NOTE: If the person you attempt to call does not answer,
press the button next to the blinking light to return to the call
on hold. 
						

							Glossary
account code
entry
alarm
assigned button
assigned feature
automatic
intercom
BIS
busy-to-idle
reminder
call
accountability
call waiting
callback
conferencing
feature that allows you to assign account
codes to calls to charge them to specific
customers, clients, or business cases.
feature that warns you of system problems.
button that may be given to you as an
optional feature.
optional feature that can be distributed by
the System Administrator.
feature that allows two people to each have
a dedicated button for calling each other.
(Built-in-Speakerphone) name of a multiline
telephone that allows you to listen and
speak on any call without lifting the
handset.
feature that automatically notifies you
when a person or line is available.
feature that allows you to make calls at
another telephone and charge them to your
extension number.
a telephone feature that notifies you of an
incoming call while on another call.
feature that allows you to request the use of
a busy extension or line. The system will
signal your telephone when the telephone
or line is available.
feature that allows you to have up to five
parties on a call.
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							confirmationthree short tones indicating that an
toneaction was accepted.
coverage
DDC
DGC
DSS
data call (from
telephone)
dequeueing tone
exclusion
extending calls
FPDC
fast busy tonefeature that allows individuals to have their
calls answered by someone else.
(Data Dial Code) extension number
assigned to a data terminal.
(Direct Group Calling) a group of
telephones where incoming calls are
distributed among the group members.
(Direct Station Selection) button containing
an extension number or an access code, and
programmed by the System Administrator.
(For buttons that you can program, see
FLEX DSS.)
feature that allows you to place a data
call from your telephone, then transfer the
call to your data terminal.
three short tones indicating the
feature can now be completed.
feature that allows you to keep
listening in on a conversation.
Callback
others from
procedure followed by the attendant when
sending a call to the desired party.
(Floating Personal Dial Code) a number
associated with a person, but not a
particular telephone. FPDCS provide the
convenience of receiving calls at various
telephones.
repeating on/off tone indicating that the
dialed number or access code is busy,
misdialed, or restricted, or that an outgoing
line is busy. (Sometimes called reorder
tone.) 
						

							feature access
code
fixed feature
following/
forwarding
hands-free
answering
hold
idle line
preference
inside call
leave word
calling
message waiting
message waiting
signal
system access
button
system access
originate only
button
night service
series of numbers and characters that allow
you to access System 25 features.
standard feature that is available to every
telephone.
feature that allows you to redirect
calls to another telephone.
feature that provides answering of
calls without lifting the handset.
feature that temporarily suspends a call.
feature that allows a telephone to
automatically select a button when you lift
the handset to place a call.
call between two or more System 25
telephones.It is signalled by one long ring.
feature that allows you to notify a person at
a busy or unanswered telephone that you
have called. To use this feature, you must
have a VOICE POWER Voice Message
System (VMS) connected to your
System 25.
feature that allows you to turn message
lights on and off at ‘telephones in the
system. (See also personal message
waiting. )
feature that allows two people in the system
to turn a light on or off at each other’s
telephone, notifying them of a message.
button that gives you direct access to
System 25 to dial or to access features. It is
labeled with your extension number.
an extra system access button on
which you can place calls, but cannot
receive calls.
feature that allows you to send incoming
calls either to a bell or to preassigned
telephones when you leave for the night.
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