ATT System 25 Reference Manual

Hold
Hold
Description
This feature allows users to temporarily disconnect from one call and either place or answer
another call. A single-line voice terminal user can place only one call on hold and must
remain off-hook to retain the held call. A multiline voice terminal user can place as many
calls on hold as it has lines and can hang up without losing held calls.
Single-line users can place a call on hold by flashing the switchhook (the user receives
Confirmation Tone).The user can then dial another...

FEATURES AND SERVICES
Music-On-Hold: A held party on an outside line will receive Music-On-Hold if provided.
Personal Lines: A Personal Line cannot be placed on hold if any other stations are also off-
hook on that line.
Remote Access: Remote Access callers cannot use the Hold feature.
2-200 

Inspection
Inspection
Description
This feature enables the user at any voice terminal administered for the Display feature to
perform the following functions:
l View incoming call identification messages even while busy on another call.
l View information about held or bridged calls.
l Examine information stored on REP DIAL, FLEX DSS, and LAST # DIALED buttons.
l Determine the busy status of pooled trunk groups.
l Determine feature button type.
To activate this feature, the display set user must first...

FEATURES AND SERVICES
l Active Call Appearance Button
The normal call information pertaining to the call is displayed. If the display user is
excluded, EXCLUDED is displayed.
l FLEX DSS Button
The stored number and the associated name are displayed. If the button is not
programmed, FLEX DSS is displayed.
l REP DIAL Button
The digits stored on the button are displayed.If the button is not programmed, REP
DIAL is displayed.
l FACILITY Button
The display presents information about the pooled facility in the...

Inspection
The user of a non-attendant display set can exit from Inspection directly to Program Mode by
activating the Program switch. However, to reenter Inspection, the user must first go from Program
to Normal, then enter Inspection Mode.
Administration Requirements
Administration of the Display feature enables Inspection.
Hardware Requirements
The Inspection feature can be used only at display-equipped multiline voice terminals.
November 19952-203 

Features and Services
Integrated Solution (IS)
Description
This feature is the enhancement to System 25 with a UNIX®-based computer (PC) acting as a
Master Controller. The PC is a multi-tasking computer which provides the following options:
l Basic Administration System (Included with IS): Basic Administration (BAS) allows you
to add, move, and change your telephone system to meet the demands of your business.
This is accomplished through the default administration interface of System 25.
l Advanced...

Integrated Solution
For Office Automation applications, there are no absolute requirements, but the customer’s needs
should be understood. For example, most customers who need word processing also would like a
letter-quality printer. A serial interfaced printer should be recommended due to the ease with which
serial ports may be added to the PC. Most serial printers will require a null modem cable such as our
PEC 2724-91G or 2724-92G.
Any AVP application will require at least one VOICE POWER board....

Features and Services
Hardware Requirements
Requires appropriate cables and connectors for Administration and/or Call Accounting
Descriptions of the SIP (Station Interconnect Panel), TAE (Trunk Access Equipment), and
associated cables and adapters are provided under the heading “Connectivity” in Section 4 of this
manual.
2-206November 1995 

Intercept Treatment With Reorder Tones
Intercept Treatment With Reorder Tones
Description
Reorder tone (fast busy) is provided when a call cannot be completed (for example when an
unassigned or toll-restricted number is dialed, a dialing error occurs, a requested trunk group
is busy, or an attempt to park a call falls).
Calls to FPDCs that are not signed-in anywhere or to unassigned DID numbers will be routed
to the attendant or will receive Reorder Tone, at the System Administrator’s option. Any
attempt...

FEATURES AND SERVICES
Interdigit Timeouts
Description
This feature allows an originating register to be made available for others if dialing is not
completed within a set time period.
Interdigit timeouts is 24 seconds until the first five digits have been dialed, 10 seconds until
the next five digits have been dialed, and five seconds thereafter.
After connection has been established, voice terminal dial pad button presses are interpreted
as end-to-end signaling requests and touch-tones are placed on the...