ATT DEFINITY Communications System Generic 3V4 Instructions Manual

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ASAI Maintenance Capabilities
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This chapter describes the Maintenance Capability Group.  The capabilities
available in this group are used to disable and enable switch-administered alarms
for periodic link maintenance and to obtain information about the condition of the
ASAI link.
The following capabilities are available:
HeartbeatThis capability lets the adjunct and switch
request a sanity check on the ASAI...

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Heartbeatbbbbbbbb
This capability enables the adjunct or the switch to send an
application-to-application message and receive a response in order to determine
the sanity of the application on the remote endpoint.
Information Flowbbbbbbbbbbbbbbb
The sender expects a response to its request.
The switch responds to the Heartbeat within 60 seconds.
The switch sends the Heartbeat message over each established signaling link to
an...

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Suspend Alarmsbbbbbbbb
This capability enables the adjunct to disable switch alarms on an ASAI link for
maintenance functions.
NOTE:
Since unnecessary alarms can result in unnecessary maintenance
expenses, it is recommended that all adjuncts request this capability during
the shutdown sequence.
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The adjunct makes the suspend alarms request for that particular link.
The switch issues an ACK to...

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Considerationsbbbbbbbbbbbbbbb
The Suspend Alarms capability overrides any administered alarms and halts
periodic switch maintenance for the particular ASAI interface over which it is
received.
When alarms are suspended on a link, the switch continues to service that ASAI
link as follows:
The switch continues to send periodic Heartbeat requests on any link that
has suspended alarms, but does not raise alarms or attempt to...

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Resume Alarmsbbbbbbbb
This capability enables the adjunct to resume switch alarms on an ASAI link.
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The adjunct makes the suspend alarms request.
The switch issues an ACK to notify the adjunct that it will raise alarms for the
ASAI link.
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None for this capability
ACK (Positive Acknowledgement)
Parameter(s)
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None for this capability
Denial...

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Restartbbbbbbbb
Restart provides that either endpoint may use this feature to free and reinitialize
all resources for an ASAI interface.  It also insures that if one ASAI endpoint
detects a layer 2 drop (and therefore clears all its CRVs [for example,
association] for the interface), ASAI messaging cannot continue on that interface
without the other endpoint clearing its CRVs also.
Both the switch and the adjunct initiate the...

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ASAI and Feature Interactions
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This chapter describes the interactions between the ASAI capabilities and
specific switch features.
Call Control and Domain Control do not prohibit users from access to any
enabled switch features.  Controlled stations can access any enabled switch
feature.
Administration without Hardware
(AWOH)
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A station administered without hardware may be used as a station domain....

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Analog Setsbbbbbbbb
Redirection
Analog sets do not support temporary bridged appearances.  In normal
circumstances, when a call at a multifunction set is left on a simulated bridge
appearance, the call moves away from the analog set.  Thus, any domain-control
associations for the analog set receive the Call Redirected Event Report.
Alerting Event Reports are not sent to SAC-activated analog sets receiving calls.
Redirection...

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Number of Calls at Analog Sets
A maximum of three calls (one soft-held, one hard-held, and one active) may be
present at the same time.  In addition, the set may have a call waiting call.
A request to have more than three calls present is denied.  For example, if an
analog set user has three calls present and another call waiting, the user cannot
place the active call on hold or answer the call.  The only operations allowed...