ATT System 25 Reference Manual

Figure 2-52.
Figure 2-53.
Figure 2-54.
Figure 2-55.
Figure 2-56.
Figure 2-57.
Figure 2-58.
Figure 2-59.
Figure 2-60.
Figure 2-61.
Figure 2-62.
Table 2-A.
Table 2-B.
Table 2-C.
Table 2-D.
Table 2-E.
Table 2-F.
Table 2-G.
Table 2-H.
Table 2-I.
Table 2-J.
Table 2-K.
Table 2-L.SMDR Output Equipment—On-Premises Direct Connections
(Greater Than 50 Feet From System Cabinet or Not Sharing
Same AC Outlet)                                                                         
SMDR Output Equipment—On-Premises...

FEATURES AND SERVICES
FEATURES AND SERVICES
Introduction
This section describes the System Features, Station Features, Network Features, Data
Features, and Attendant Features of AT&T System 25. It also covers certain services that
support and implement the features; included in this category are the digital tape unit, the
dial plan, system administration, and system maintenance. A general discussion of data
topics is also provided.
The feature descriptions are arranged in alphabetical order, regardless...

FEATURES AND SERVICES
Symbols Used in Illustrations
Many feature descriptions in this section contain illustrations of equipment and connections.
In the connection figures, modular jacks are shown as triangles; 25-pair cable connectors are
indicated by shaded blocks.Unterminated wiring that requires cutdown or other termination
does not have symbol designations.The 103A Connecting Block is a typical modular wall
jack that provides cutdown connections for building (station) wiring.
Feature Tables
Tables...

FEATURES AND SERVICES
System Features
System features (Table 2-A) are those that affect the entire operation of the system.
Table 2-A.
System Features
FEATURE NAMEFEATURE
TYPE
Call Accounting System (CAS)O
Call Management System (CMS)O
Dial PlanS
Dictation System AccessO
Digital Tape UnitO
Direct Group CallingS
Direct Group Calling Delay AnnouncementO
End-to-End SignalingS
Extended StationsO
External AlertsO
Integrated SolutionO
Intercept Treatment With Reorder ToneS
Interdigit TimeoutsS
Music-On-HoldO...

FEATURES AND SERVICES
Station Features
The many Station Features (Table 2-B) available allow individual user needs to be met. As
these needs change, assigned features can also be changed. Station Features provide many
important services that help save time and make calling more convenient.
Table 2-B. Station Features
FEATURE NAMESINGLE-LINE
MULTILINE TERMINALFEATUREATL CORDLESS
TERMINAL
BUTTON LABELTYPETELEPHONE
Account Code Entry, Forced (FACE)XXSXAccount Code Entry, OptionalX[ACCT ENTRY]SXAutomatic...

FEATURES AND SERVICES
Table 2-B.
Station Features (Contd)
FEATURE NAMESINGLE-LINEMULTILINE TERMINALFEATUREATL CORDLESSTERMINALBUTTON LABELTYPETELEPHONE
ProgramXXSXRecallXXSRepertory Dialing[REP DIAL]SX
Send All Calls[SEND ALL CALLS]SX
Speaker (Spokesman Service)[SPEAKER]SSpeakerphone AdjunctXX
Speed DialingOXXSX
Station HuntinqXS
Station-To-Station Message Waiting[MSG WAITSXTestXSX
TransferX[TRANSFER]SX
Trunk-To-Trunk TransferXXSX
Network Features
This group of features (Table 2-C) supports...

FEATURES AND SERVICES
Data Features
Data Features (Table 2-D) support the switched data services of the system. Data services
provide switched connections between analog and digital data endpoints.
Table 2-D.
Data Features
FEATURE NAMEMULTILINE TERMINALFEATURE
BUTTON LABELTYPE
Command Mode
Communications Access Manager
Data Call Setup
Data Terminal Dialing
Expert Mode
Modem Pooling
AT&T STARLAN NETWORK Access
Third-Party Call Setup
Transfer to Data
User Changeable Options
[DATA]
S
O
S
S
S
O
O
S
S
S
2-6 

FEATURES AND SERVICES
Attendant Features
Attendant Features (Table 2-E) are available to the attendant using the Direct Trunk
Attendant Console (DTAC) or the Switched Loop Attendant Console (SLAC) and the optional
Direct Extension Selector Console. In addition, most multiline voice terminal station features
are available to the attendant.
Table 2-E.
Attendant Features
FEATURE NAME
CONSOLE BUTTONFEATURE
LABELTYPE
Attendant Call Extending
Attendant Camp-On
Attendant Cancel
Attendant Console, Direct Trunk...

FEATURES AND SERVICES
Account Code Entry, Forced
Description
This feature forces selected station users to enter account codes before dialing certain calls
out of System 25.Users at stations that have Forced Account Code Entry (FACE) are
required to enter account codes either for all outgoing calls or for just “dial 0 or 1” toll calls.
The code entries appear in the ACCOUNT field of the SMDR records.
To place a FACE-restricted call, the user must dial the Account Code Entry access code V 0
followed by an...

Account Code Entry, Forced
The system does not check the validity of account codes. It checks only for the proper
number of digits or the code terminator #.
Calls that do not require FACE can still be assigned an account code, as in previous releases
of System 25.Refer to the “Account Code Entry, Optional” feature description in this
manual for the procedures.
Interactions
The following features interact with Forced Account Code Entry.
Bridging of System Access Buttons:Calls made from Bridged Access (BA)...