Enhanced Disconnect Detection
The Enhanced Disconnect Detection feature allows the
DEFINITY AUDIX system administrator to administer one or
two different mechanisms for detecting disconnects — tone
detection and silence detection — when the DEFINITY
switch is unable to provide reliable disconnect information to
the DEFINITY AUDIX system.
Telephone System VoIP Solutions
Avaya IP Office
When one of the following forms of
disconnect signaling is used, the
DEFINITY switch disconnects
calls and the DEFINITY AUDIX
system does not need to detect
disconnects: open loop (analog
trunks), polarity reversal (analog
trunks), and bit oriented signaling
(digital trunks).
The DEFINITY switch does not
recognize tone-based disconnect
signaling. However, the DEFINITY
AUDIX system can be enabled to
recognize many forms of
tone-based disconnect signaling.
In some countries, there is no disconnect
signaling. For these
countries, the DEFINITY AUDIX
system can be set up to gracefully
handle quiet disconnects.
With the Enhanced Disconnect Detection feature, the system administrator can
administer the DEFINITY AUDIX system to detect the following types of
disconnects:
- Tone Based Disconnect. This type of disconnect signaling may be needed
when tones are heard at the end of call answer messages. The Central
Office switch sends tones to the DEFINITY switch to indicate a disconnect.
Since the DEFINITY switch does not detect the tones as a disconnect, the
DEFINITY AUDIX system might append the tones to the end of call answer
messages until the maximum message length is reached. When tone
detection is administered, the DEFINITY AUDIX system detects the
presence of a cadenced tone with frequency content between
approximately 350 Hz and 650 Hz and disconnects the call.
- Quick Silence Disconnect. This type of disconnect signaling enhances
DEFINITY AUDIX operation for calls in which there is no disconnect
signaling and the line simply goes silent after the caller hangs up. When
Quick Silence Disconnect is administered, the system disconnects as
follows:
- During a call answer recording, immediately upon detecting silence
for an administrable period of time.
- At all other times, immediately after two expirations of the Input
Time Limit. The DEFINITY AUDIX system provides a system prompt
and a help message after the first expiration. The system says
“Goodbye” and disconnects after the second expiration.
When recording a message in a voice mail session (as opposed to a call
answer session), the system does not disconnect upon detecting silence
but disconnects after two expirations of the Input Time Limit.
Enhanced Disconnect Detection
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