ATT System 25 Single Line Telephone User Guide

dequeueing tonethree short tones indicating that the call for
which you requested Callback can now be
completed.
FPDC(Floating Personal Dial Code) an extension
number associated with a person, but not a
particular telephone.This feature provides
the convenience of receiving calls at any
available telephone.
fast busy tonerepeating on/off tone indicating that the
dialed number or access code was busy,
restricted, misdialed, or the trunk group
was busy.
feature access
code
fixed feature
following...

on-hook
PDC
a telephone is on-hook when the handset is
in its cradle, depressing the switchhook
button.
outside callcall between a System 25 telephone and a
telephone not connected to System 25.
Outside calls are made over Central Office
or other trunks and are signalled by two
short rings.
outside linea trunk (line) to the Central Office or other
system. Outside lines may be accessed by
dialing an access code.
(Personal Dial Code) extension number that
is assigned to an individual, and is normally...

speed dialing
switchhook
system
administrator
transfer
trunk
feature that allows you to place a call or
enter an account code by dialing “ #” and a
2- or 3-digit code.Individual telephones
may be assigned 2-digit Personal Speed
Dialing codes, which you can program. All
3-digit System Speed Dialing codes are
assigned by the System Administrator and
can be used at all telephones.
button depressed by the handset when the
telephone is not in use.
person responsible for assigning features
and overseeing...

AT&T System 25
QUICK REFERENCE CARD
Single-Line Telephone
FEATURE ACCESS CODES
I
FEATUREDESCRIPTIONCODE
I1
Account Codeto enter an Account Code* 0 Code
Call Accountabilityto charge call to correct extension## Ext.
to request callback for a busy ext./line#60
Callbackto cancel callback#61
,
Call Waitingto answer call waiting*9
to leave your DGC group*4
Direct Group Callingto return to your DGC group*6
Ito sign in extension** Ext. Ext.
Followingtto sign out extensionI** Ext. O(at another extension)“to sign...

QUICK REFERENCE CARD
Single-Line Telephone
PERSONAL SPEED DIALING NUMBERS
SYSTEM SPEED DIALING NUMBERS
CODETELEPHONE NUMBERCODE
USE
#20
#21
#22,
#23,
,
#24
#25
#26
#27
#28
#29
#30
#31
#32
#33
#34
#35
#36
#37
#36
#39
DIALING CODES
 CODE DESCRIPTION
IYour Extension
Your Data Terminal
 Attendant
Night Service access code
 Paging access code
FACILITY ACCESS CODES
CODEUSE
ACCOUNT CODES
 CODE USEI
(See Features list on other side.)