Lucent Technologies DEFINITY Enterprise Communications Server Release 6 CallVisor PC ASAI Instructions Manual

ASAI Capabilities
Issue  3  May 1998
5-11
Third Party Call Control Capabilities
The Third Party Call Control capability group includes a number of third party 
subgroups and two types of the abort capabilities. In addition, there are numerous 
Event Report interactions. Event reports and abort capabilities are described in 
this chapter.
Third Party Call Control allows a client to establish, control, terminate, and monitor 
calls to which the client is not a party. When invoking the Third Party...

ASAI Capabilities
5-12Issue  3  May 1998 
nThird Party Single-Step Conference
nThird Party Take Control
There are certain restrictions common to most third party calls:
nThe calling number is not permitted the service. For example, the calling 
number may not be permitted to make out-of-state calls.
nThe called number is not permitted the service. For example, the called 
number is not permitted to accept out-of-state calls.
nThe client is not permitted to request the service. 

ASAI Capabilities
Issue  3  May 1998
5-13
Third Party Answer Call
Description
The Third Party Answer Call capability allows the client to request to “answer” a 
call on behalf of a station user. The call can be a ringing, bridged, or held call that 
is present at a station.
Answering a ringing, bridged or held call indicates to connect a call by forcing the 
station off-hook (if the user is on-hook) or cutting through the call to the head or 
handset (if the user is off-hook). The effect is as if the...

ASAI Capabilities
5-14Issue  3  May 1998 
Third Party Auto Dial
Description
The Third Party Auto Dial capability allows a client to request the server to 
establish a call on behalf of the controlled extension specified in a 
Third Party 
Domain Control (extension) request. The effect is that the extension places a call 
to the specified called number automatically when that extension is off-hook. The 
capability also allows the server to confirm the request.
The client issues a C_3PAD to request that...

ASAI Capabilities
Issue  3  May 1998
5-15
Notes
There are no restrictions on this capability.
Related Event Reports
This capability does not affect the state(s) of the parties to the call. 

ASAI Capabilities
5-16Issue  3  May 1998 
Third Party Call Ended
Description
The Third Party Call Ended capability is issued by the server to inform the client 
that a client-controlled call has been disconnected and the association has been 
cleared. The client can no longer control the call or use its association identifier.
The server issues a C_3PCE when the endpoints to a call have been 
disconnected or when some internal condition causes it to terminate processing 
for the call....

ASAI Capabilities
Issue  3  May 1998
5-17
Third Party Clear Call
Description
The Third Party Clear Call capability allows a client to request that an existing call 
be disconnected and related resources be freed. All parties to the call are 
disconnected.
The client invokes this capability by issuing a C_3PCC. The server responds with a 
C_3PCC_CONF as soon as the call has been completely cleared. Until the call is 
completely cleared and all resources freed, the server continues to issue event 
reports...

ASAI Capabilities
5-18Issue  3  May 1998 
Third Party Domain Control
Description
The Third Party Domain Control capability allows a client to request the server to 
begin reporting events for calls that originate and terminate at the specified 
domain. The client can also request third party call control capabilities for those 
calls. After the server accepts the request, the client receives an 
Event Report 
each time an event occurs. Clients can have several simultaneously active 
instances of 
Third...

ASAI Capabilities
Issue  3  May 1998
5-19
Third Party Domain Control End
Description
The server issues the Third Party Domain Control Ended capability when it can no 
longer provide event reports or allow third party capabilities for the specified 
domain.
The server issues a C_3PDCE, after which the client no longer receives event 
reports for the domain. The server will not accept additional third party capabilities 
and the association is terminated.
Notes
Control must have been initiated with a Third...

ASAI Capabilities
5-20Issue  3  May 1998 
Third Party Listen-Disconnect
Description  
Third Party Listen-Disconnect capability allows the client to request the server to 
temporarily disconnect a specified party (the listener) from listening to 
communication from another party or parties [the talker(s)] on an active call. The 
client continues to receive feedback regarding the call and may continue to control 
the call with further Third Party capabilities.
The server sends a C_3PSL_DISC_ACK with...