ATT DEFINITY Communications System Generic 3V4 Instructions Manual

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ASAI and Domain Control
5
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This chapter describes the Domain (Station or ACD Split/EAS skill) Call Control
Capability Group.  The adjunct uses these capabilities to control and monitor all
calls at a station extension, to monitor selected calls only at that specific station,
and to begin outbound calls from that station.  Additionally, the adjunct may use
this capability to receive Agent Logout Event Reports, and, starting with G3V4,
Agent Login Event Reports, for a specified ACD split or EAS skill.
Domain control capabilities are as follows:
Third Party Domain Control
Request for Station DomainWhen used with a station domain, the adjunct
uses this initiating capability to ask the switch
for event reports on calls at a specified
domain (station extension).
Third Party Domain Control
Request for ACD Split/EAS Skill
DomainAn adjunct may use this capability to receive
Agent Logout Event Reports and, starting
with G3V4, Agent Login Event Reports for a
specified ACD split or EAS skill.
Third Party AnswerThis capability allows an application to make
a request on behalf of a station user to
``answer a ringing, bridged, or held call
present at a station.
Third Party
Selective HoldThis controlling capability lets the adjunct put
a specified call on hold at the extension being
controlled.
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Third Party ReconnectThe adjunct uses this controlling capability to
reconnect a specified call at a controlled
extension.
Redirect CallThe adjunct uses this capability to re-route a
call that is already alerting a station
extension.
Third Party MergeThe adjunct uses this controlling capability to
merge two calls at a controlled extension.
Third Party
Selective DropThis controlling capability lets the adjunct
drop a controlled extension from a given call.
Third Party
Auto DialThe adjunct uses this controlling capability to
begin an outbound call on behalf of a station
extension.
Third Party
Relinquish ControlThe adjunct uses this controlling capability to
end an active domain-control association.
Third Party
Send DTMF SignalsThe adjunct uses this controlling capability to
transmit a sequence of DTMF tones on behalf
of the domain-controlled party on a specified
call.
Third Party Domain
Control EndedThe switch uses this terminating capability
when a domain-control association ends.
Event ReportsSee Chapter 3, ``Common Capabilities.
U-Abort (User Abort)See Chapter 3, ``Common Capabilities.
NOTE:
As previously stated, this capability group is actually a subsection of the
``Call Control Capability Group section in Chapter 4, but it is treated as a
separate capability group in this chapter.
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Domain (Station) Control Descriptionbbbbbbbb
Domain (station) Control allows an adjunct to receive event reports and control
all calls beginning at or coming to a specific station extension.  Without these
capabilities, similar control and monitoring functions would require the adjunct to
have adjunct control of the entire call.  It allows the adjunct to control only the
station extension associated with the Domain Control association instead of
allowing control of all parties (extensions) on a call.
When a call leaves the extension domain, event reports for the call over the
domain-control association cease.
Station Domainbbbbbbbbbbbbbbb
A station domain is a valid station as specified in the dialing plan for which
capabilities in the Domain Control subset can be requested. Station domains are
limited to voice stations (including administered extensions without hardware)
that are locally connected to the switch.  It excludes, for example, the following:
Data extensions
Attendant console extensions
Announcement extensions
Off-PBX DCS/UDP extensions
Any group-type extensions (hunt groups, ACD split or EAS skill
extensions)
VDNs
One station domain maps to a physical set identified by a unique primary
extension number (the number an administrator would give as a parameter in the
display station command to display information for the station set).  One station
domain encompasses all call appearances at the physical station set, including
all primary, bridged (from other primary extensions), TEG, and PCOL call
appearances at the physical station set.
Split Domainbbbbbbbbbbbbbbb
A split domain is a valid ACD split or EAS skill extension specified on the Hunt
Group form. Only the Agent Logout Event Report, and, starting with G3V4, the
Agent Login Event Report, are provided for this domain. Third Party Call Control
capabilities are not available for this domain.
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Domain Call Control Capabilitiesbbbbbbbb
The following capabilities have the same function within Domain Call Control as
they do in the Call Control Capability Group.
Third Party Merge
Third Party Selective Hold
Third Party Reconnect
Redirect Call
Third Party Selective Drop
The following parameters allow the use of these capabilities over the Domain
Control Capability Group.
Call_idA call_id parameter is included in these capabilities for their
use within a Domain Control association. Because a Domain
Control association may control a number of calls, this
parameter selects the call affected.  An adjunct must always
specify the call_id when requesting a Call Control Capability
over a domain control association.
The following table summarizes whether a specific Call Control request is or is
not allowed based on the specified party state (bridge with multifunction station
set principal is assumed and no exclusion feature active).
Table 5-1.  Call Control Acceptance in Various Party States
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Domain Control Request Active St Held St Alerting St Idle St Dialing St Bridged St
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Third Party Auto Dial no
1yes2yes2yes3yes4yes3bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
Third Party Answer yes yes yes no no yes
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Third Party Selective Drop yes no no no yes no
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Third Party Selective Hold yes yes no no no no
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Third Party Reconnect yes yes no no no no
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Third Party Merge(ctling pty) yes yes no no no no
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Redirect Call no no yes no no no
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1 User active on any call appearance or call2 On a call appearance other than the one in the given state3 User with at least one idle primary call appearance4 Call appearance selected for call originationbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
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Third Party Domain (Station) Control
Request
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An adjunct uses this capability to receive event reports and control calls at a
specified extension.
Information Flowbbbbbbbbbbbbbbb
The adjunct expects a response to its request.
The switch returns an acknowledgement to the application after the switch
verifies that the station number is valid and the maximum number of controllers
for the station has not been reached.
Domain (Station) Control Request
Parameters
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domain[mandatory] This parameter identifies a valid local station.
ACK (Positive Acknowledgement)
Parameters
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The switch responds to the adjuncts request with a list of call_ids, the party_id of
the principals extension on the call, and the state of the principals extension on
the call.
Denial (NAK) Causesbbbbbbbbbbbbbbb
The switch issues one of the following reasons as the cause for ending the
association:
Invalid association (CS0/81)
The association does not exist.
Invalid number/domain (CS0/28)
An invalid address or extension number is present in the request.
Service or Option Not Available (CS3/63)
The maximum number of Domain Control Requests are in use for the
domain.
Switching Equipment Congestion (CS0/42)
The switch is not accepting the request at this time because of processor
overload.  The adjunct or user may wish to retry the request but should
not do so immediately.
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Protocol Error (NAK) Causebbbbbbbbbbbbbbb
The switch issues the following cause for a protocol processing error:
Protocol error (CS0/111)
The Q.932 protocol has been violated or the capability invoked is not
consistent with this association.  For example, invoking the Third Party
Domain Control request on a Call Control association is inconsistent.
NOTE:
For more information regarding protocol errors and a complete list of
reason codes (cause values), see the 
DEFINITY Communications
System Generic 3 CallVisor ASAI Protocol Reference
, 555-230-221.
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Third Party Domain Control Request
for ACD Split/EAS Skill Domain
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This capability allows the adjunct to receive event reports at a specified domain.
Currently, only the Logout Event Report, and, starting with G3V4, the Login
Event Report, are available.  Third Party Call Control capabilities are not allowed
for Third Party Domain Control for the ACD Split/EAS Skill Domain.
Information Flowbbbbbbbbbbbbbbb
The adjunct expects a response to its request.
The switch returns an acknowledgement to the application after the switch
verifies that the ACD split or EAS skill is valid.
Domain Control Request for ACD Split/EAS
Skill Domain Parameter
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domain[mandatory] This parameter identifies the ACD split or
EAS skill.
ACK (Positive Acknowledgement)
Parameters
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None for this capability
Denial (NAK) Causesbbbbbbbbbbbbbbb
The switch issues one of the following reasons as the cause for ending the
association:
Invalid Association (CS0/81)
The association is already in use.
Invalid Number/Domain (CS0/28)
The number contained in the request is an invalid parameter value.
Service or Option Not Available (CS3/63)
The maximum number of Domain Control requests are in use for the
domain.
Switching Equipment Congestion (CS0/42)
The switch is not accepting the request at this time because of processor
overload.  The adjunct or user may wish to retry the request but should
not do so immediately.
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Protocol Error (NAK) Causebbbbbbbbbbbbbbb
The switch issues the following cause for a protocol processing error:
Protocol error (CS0/111)
The Q.932 protocol has been violated or the capability invoked is not
consistent with this association.  For example, invoking a Third Party
Domain Control Request over a Call Control association is inconsistent.
NOTE:
For more information regarding protocol errors and a complete list of
reason codes (cause values), see the 
DEFINITY Communications
System Generic 3 CallVisor ASAI Protocol Reference
, 555-230-221.
Considerationsbbbbbbbbbbbbbbb
The ``logout event is reported for split domain-controlled associations when an
agent logs out of the split.  This capability remains in effect for the split domain
until either the adjunct invokes the Third Party Relinquish Control capability, or
the switch invokes the Third Party Domain Control Ended capability.  Call control
and call-related events are not reported with this capability.
Starting with G3V4, the ``login event is reported for split domain-controlled
associations when an agent logs into the split.  It is provided regardless of how
the agent logs in (either manually through FACs or through ASAI).
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Third Party Answerbbbbbbbb
This capability allows the adjunct to request, on behalf of a station user, that a
ringing, bridged, or held call present at a station be ``answered. This is done by
connecting a call by forcing the station off-hook, if the user is on-hook, or by
cutting through the call to the head or handset, if the user is off-hook (listening to
dial tone or being in the off-hook idle state).  The effect is as if the station user
selected the call appearance of the alerting, bridged, or held call and went off-
hook.
Information Flowbbbbbbbbbbbbbbb
The adjunct expects a response to its request.
The Third Party Answer request is acknowledged (ACK) by the switch if the
switch is able to connect the specified call by either forcing the station off-hook
(turning the speakerphone on) or waiting up to five seconds for the user to
become off-hook.
Third Party Answer Parametersbbbbbbbbbbbbbbb
party_id[ignored] Indicates the alerting, bridged, or held party on
the call that must be connected to the call.
call_id[mandatory] Indicates the alerting, bridged, or held call
that must be connected at the controlled station.
ACK (Positive Acknowledgement)
Parameters
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None for this capability
Denial (NAK) Causesbbbbbbbbbbbbbbb
The switch issues one of the following reasons as the cause for ending the
association:
Invalid Association (CS0/81)
The association does not exist.
User Busy (CS0/17)
The station is busy on a call or there are no idle call appearances
available.
No User Responding (CS0/18)
The station user did not go off-hook within five seconds and is not capable
of being forced off-hook.
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