ATT System 25 Reference Manual

Calling Restrictions
Facility Access Restriction:
Any station may be denied dial access to the local CO and/or to all other
group). A station so restricted may only dial access those facilities via
Selection (ARS) feature.pooled facilities (as a
the Automatic Route
In addition, each trunk and Virtual Facility can be administered to allow or restrict dial access. If dial
access is restricted, the trunk or Virtual Facility may only be dial accessed via ARS.
ARS Restriction:
Special restrictions on each...

Features and Services
Pooled Facility—Direct Access: Toll restricted stations receive their class of service toll
restrictions whet her a Direct Facility Access (FACILITY) button or a facility access code is used.
Personal Lines: Personal Lines are subject to the toll restriction options of the stations on which
they appear.
Remote Access: A barrier code class of restriction (COR) has the same parameters as the class of
service permissions associated with stations. A system-wide default COR must be...

Call Management System (CMS)
Call Management System (CMS)
Description
The Call Management System (CMS) is an automatic call distributor that directs specified
incoming calls to assigned “agents” for handling.
It also provides reports of CMS call traffic
and agent performance.The CMS has options and parameters that allow the system to be
tailored to the individual needs of specific businesses. The CMS consists of software, a
personal computer (PC) with a CMS interface card, voice announcement units...

FEATURES AND SERVICES
l If no agent has become available by the end of the delay message, CMS puts the call
into the main split’s queue of waiting calls.If available on the System 25, Music-on-
Hold will be heard by these callers while they wait.
l As soon as an agent in the main split becomes available, CMS will transfer the call at
the front of the queue to the agent.
l If no agent in the main split becomes available, and the call at the front of the queue
has waited for a predetermined period, the...

Call Management System (CMS)
Considerations
CMS is useful for businesses where particular groups or departments receive special types
of calls in high volumes.Members of such groups can be assigned to splits. Call
completion time is minimized; with calls going directly to a split, attendant assistance is not
required.
CMS has the following maximum capacities:
l 28 lines
l 4 line groups
l 28 lines in one group
l 28 agent positions
l 28 agents in one split.
The CMS supervisor can reassign agents to splits...

FEATURES AND SERVICES
Call Progress Tones
Call Progress tones provide audible feedback on the status of calls during call setup. These
tones are heard through the handset or the headset or the speaker, if Speakerphone or HFAI
is activated.
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lBusy Tone: A slow pulsed tone indicating that all facilities for answering the call are
in use.
Call Waiting/Camp-On Tone: A single or double burst of tone sent to a busy terminal
to notify the user that a call is waiting.A single tone indicates an...

Call Waiting
Call Waiting
Description
This feature allows a user at a busy voice terminal to be audibly alerted when another party
is calling. A voice terminal is considered busy if all its System Access (SA) buttons are in use
(multiline sets), if it is off-hook (single-line sets), and if all coverage points are busy.
With Call Waiting, the user hears a distinctive call waiting tone from the handset one time;
the caller hears special ringback tone, repeated. Calls from both inside stations and outside...

FEATURES AND SERVICES
Interactions
The following features interact with Call Waiting.
Attendant Camp-On: Trunk calls camped onto
over other waiting calls.a station by an attendant are given priority
Attendant Positions: Calls cannot wait at Direct Trunk Attendant Consoles and Switched
Loop Attendant Consoles.
Callback Queuing: If a station with automatic queuing calls a busy station with Call Waiting,
the calling station hears queuing
does not hear Call Waiting tone.
returned to the caller. A station...

Command Mode
Command Mode
This feature allows data terminal users to originate data and voice calls and change (or view)
their data port options.
(Refer also to the general description of the system’s data features in “Data Services
Overview”).
Command Mode supports digital data endpoints connected via Asynchronous Data Units
(ADUs) to ports on a Data Line CP (TN726). Command Mode also supports, with certain
restrictions, users of the STARLAN Interface Circuit Pack, ZTN84.
Command Mode is invoked from a...

FEATURES AND SERVICES
:
The data terminal user can originate a call for an on-premises source voice or data terminal
to a remote terminal by selecting  and dialing the required digits. Refer to the
“Third-party Call Setup” feature description for a complete description of this feature.
:
If the Command Mode menu item  is chosen, the terminal displays the data port’s
administered options.System default values for each option are also shown. The display
shown below is similar to what is actually presented...