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555-230-024
A-6 Issue 5 January 1998
Alternate Operations Support System Alarm
Number
Allows you to establish a second number for the system to call when an alarm-
able event occurs. This feature is useful for alerting a second support organiza-
tion, such as INADS or OneVision.
Answer Detection
For purposes of call-detail recording, it is important to know when the called
party answers a call. DEFINITY ECS provides three ways to determine whether
the far end has answered an outgoing call.
■ Answer Detection — A call-classifier board detects tones and
voice-frequency signals on the line and determines whether a call has
been answered. This method is fairly accurate.
■ Network Answer Supervision — The central office (CO) sends back a
signal to indicate that the far end has answered. If a call has traveled over
a private network before reaching the CO, the signal is transmitted back
over the private network to the originating system. This method is
extremely accurate, but is not available in the United States over CO, FX,
or WATS trunks.
■ Answer Supervision by Timeout — You set a timer for each trunk group. If
the caller is off-hook when the timer expires, the system assumes that the
call has been answered. This is the least accurate method. Calls that are
shorter than the timer duration do not generate call records, and calls that
ring for a long time produce call records whether they are answered or
not.
Attendant Auto-Manual Splitting
Allows an attendant to announce a call or consult privately with the called party
without being heard by the calling party on the call. It splits the calling party away
so the attendant can confidentially determine if the called party can accept the
call.
Attendant Backup Alerting
Notifies backup attendants that the primary attendant cannot pick up a call. It
provides both audible and visual alerting to backup stations when the attendant
queue reaches its queue warning level. When the queue drops below the queue
warning level, alerting stops. Audible alerting also occurs when the attendant
console is in night mode, regardless of the attendant queue size.