ATT DEFINITY Communications System Generic 3V4 Instructions Manual

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Third Party
ReconnectThis controlling capability enables the adjunct to
direct the switch to reconnect a specified station
to the controlled call.
Third Party MergeThis controlling capability enables the adjunct to
direct the switch to merge two controlled calls at a
specified station into one call on behalf of that
party.
Third Party
Selective DropThis controlling capability enables the adjunct to
direct the switch to drop a party...

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Table 4-1.  Call Control Acceptance in Various Call/Station Statesbbbbbbbbbbbbbbbbbbbbbbbb
Call Control Request Active St Held St Alerting St Idle St Dialing St Bridged St
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Third Party Make Call no yes
1yes1yes...

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Third Party Make Callbbbbbbbb
The adjunct uses this initiating capability to establish a call between two parties.
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An acknowledgement (ACK) is optional for the Third Party Make Call capability.
If requested, an ACK is sent to the adjunct when the switch successfully
originates the call (a call identifier has been assigned).  If conditions prohibit a
call from being established, a Negative...

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Denial (NAK) Causesbbbbbbbbbbbbbbb
The following causes may be issued for non-switch-classified calls.  For NAKs for
switch-classified calls, see ``Third Party Make Call and Supported Call Types
that follows.
Invalid association (CS0/81)
The association does not exist.
Requested facility not subscribed/provisioned (CS0/50)
The user has not subscribed for the requested capability.
Out of Service (CS3/27)
The originator of the call is...

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Outgoing calls barred (CS0/52)
The requested Third Party Make Call is being attempted over a trunk that
has been restricted from use by the originator.
Invalid Information Element contents (CS0/100)
The call_id specified by the Third Party Take Control capability is beyond
the maximum allowable call_id value.  For example, you could get this
cause value if the switch received a User to User Information (UUI)
Information Element...

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Third Party Make Call and Supported
Call Types
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The Third Party Make Call capability is used by the adjunct to request the switch
to set up a call between two parties (calling endpoint and the called endpoint).
Four types of controlled calls are supported for the Third Party Make Call
capability:
1. Switch-classified call
2. User-classified call
3. Direct-agent call
4. Supervisor-assist call
1. Switch-Classified...

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Call Parameters for Switch-Classified Calls
This section contains the ASAI interface call parameters for switch-classified
calls.
orig_addr[mandatory] The originator must be a valid local extension
number associated with a split, hunt group, or
announcement, or a VDN in an EAS environment.
dest_addr[mandatory] The destination can be a valid switch
extension or an off-PBX destination.  It may include
TAC/ARS/AAR information....

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service_circuit[optional] This parameter must be set to ``classifier if the
destination is off-PBX and the trunk access code is
contained in the dest_route_select.
This parameter is optional if the destination is on-PBX or
the trunk access code is included in the dest_addr
parameter.  If the trunk access code is part of the
destination address and no service circuit parameter is
included, then answer may not be detected over non-...

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The conditions detected are as follows:
Table 4-2.  Detected SITs
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SIT Name Cause Value Reported
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SIT Reorder CS0/42 Switching Equipment Congestion
SIT No Circuit CS0/34 No Circuit or Channel Available
SIT Intercept CS0/22 Number Changed
SIT Vacant Code CS0/01 Unassigned Number
SIT...

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Ð The ``timeout message is received from the software and told by
the call classifier reporting that there was no tone detected after a
timeout interval.  This information appears on the System
Parameters-Features form as the ``off-premises tone detect
timeout.
Ð Answering Machine Detection (AMD) is enabled for a call and an
Answering Machine is detected.
Local detection ÐA call placed to an on-PBX endpoint is considered
answered...