Lucent Technologies DEFINITY Enterprise Communications Server Release 5, CallVisor, ASAI Protocol Reference Instructions Manual

4. Call Control Associations
Issue 6 June 1997
B-33
Messages Sent by the 
Adjunct ProcessorMessages Sent
by the ECS Comments
FAC [CRV=81, FIE(Invoke,
Inv_id=5, 3P Merge,
call_id=52, party_id=1
conf/transf flag=transfer)]AP Requests
Conference
FAC [CRV=81, FIE(Return
Result, Inv_id=5, 3P Merge,
call_id=52, 
old party_id=resulting call 1, 
old party_id=resulting call 2,
old party_id=oldcall1,
party_id=1,
party_id=2, party_id=3,
connected number=6022,
connected number=#####,
connected number=#####)]Calls...

Message Scenarios
B-34Issue 6 June 1997 
Third Party Send DTMF
Continuing from the Third Party Merge Scenario the previous page (refer to Figure 
B-14), the adjunct sends a string of DTMF digits to all parties connected on this 
call.
Messages Sent by the
Adjunct ProcessorMessages Sent by
the ECS Comments
FAC [CRV=81, FIE(Invoke),
Inv_id=5, 3P Send DTMF,
party_id=1, digits=12345)]
FAC [CRV=81, FIE(Return Result),
Inv_id=5]
Digits are now being sent to 
all parties on call_id 52. 

4. Call Control Associations
Issue 6 June 1997
B-35
User Scenario: Selective Listening
This scenario continues the The Third Party Merge Scenario (refer to Figure B-14) 
and shows the flow of messages for a call for which Selective Listening has been 
invoked for extension 6022.
 
Messages Sent by the
Adjunct ProcessorMessages Sent by
the ECS Comments
FAC [CRV=81, FIE(Invoke),
Inv_id=3, Selective Listening 
Disconnect, party_id=1]
FAC [CRV=81, FIE
(Return Result,Inv_id=3)]Extension 6022 can no 
longer...

Message Scenarios
B-36Issue 6 June 1997 
5. Switch-Classified Calls
This section presents several sample call flows for switch-classified calls
(Third_Party_Make_Calls with the alert_dest_first and service_circuit options) 
originated from ACD Split 3456. 
Switch-Classified Call Receives SIT Tone
This scenario shows a switch-classified call from ACD Split 3456 to an external 
destination (see Figure B-15). The call classifier detects a “Vacant Code” Special 
Information Tone (SIT) from the network and...

5. Switch-Classified Calls
Issue 6 June 1997
B-37
Messages Sent by the 
Adjunct ProcessorMessages Sent
by the ECS Comments
REG [CRV=92, FIE(Invoke,
Inv_id=1, 3P Make Call,
called number=8003705568,
calling number=3456,
dest route select=9,
max_rings=7,
service circuit=call classifier,
alert_dest_first=yes)]AP Requests Make Call
(Switch-Classified)
from ACD Split 3456 to
External Destination
REL COMP [CRV=92, FIE(Invoke,
Inv_id=2, Call Ended,
call_id=95,
cause=unassigned number)]Call Terminates
(Vacant...

Message Scenarios
B-38Issue 6 June 1997 
Switch-Classified Call Delivered to Agent
This scenario shows a switch-classified call for ACD split 3456 to an external 
destination (see Figure B-16). The call, after being answered by the external 
destination, is delivered to the originating ACD split. The agent at extension 3567 
and logged into ACD Split 3456 handles the call. ISDN PRI facilities are used for 
the call.
Event Notification for ACD Split 3456 is active as presented in the initialization...

5. Switch-Classified Calls
Issue 6 June 1997
B-39
Messages Sent by the 
Adjunct ProcessorMessages Sent
by the Switch Comments
REG [CRV=92, FIE(Invoke,
Inv_id=3, 3P Make Call,
called number=2018705118,
calling number=3456,
dest route select=9,
max_rings=7,
service circuit=call classifier,
alert_dest_first=yes)]AP Requests Make Call
(Switch-Classified)
from ACD Split 3456 to
External Destination
FAC [CRV=92, FIE(Invoke,
Inv_id=2, Event Report,
call_id=67, party_id=2,
event=alerting,
calling...

Message Scenarios
B-40Issue 6 June 1997 
FAC [CRV=102, FIE(Invoke,
Inv_id=6, Event Report,
call_id=14, party_id=3,
event=alerting,
calling number=2018705118,
called number=3456,
connected number=3567,
domain=ACD Split 3456)]Alerting Event Report
(Call Delivered to
Agent 3567) —
ACD Split Association
FAC [CRV=92, FIE(Invoke,
Inv_id=6, Event Report,
call_id=14, party_id=3, 
event=alerting, calling 
number=2018705118,
called number-3456,
connected number=3567, 
domain=ACD Split 3456)]Alerting Event Report...

5. Switch-Classified Calls
Issue 6 June 1997
B-41
FAC [CRV=91, FIE(Return
Result, Inv_id=1, 3P Take Control,
party_id=1, party_id=3,
connected number=#####,
connected number=3567)]Control Granted
FAC [CRV=91, FIE(Invoke,
Inv_id=2, Event Report,
call_id=14, party_id=1,
event=drop,
connected number=#####,
cause=normal clearing)]Drop Event Report
(Caller Disconnects)
3P Take Control
Association
REL COMP[CRV=91, FIE(Invoke,
Inv_id=4, Call Ended,
call_id=14,
cause=normal clearing)]Call Terminated
(Agent...

Message Scenarios
B-42Issue 6 June 1997 
Switch-Classified Call From ACD Split
Forwarded to VDN
This scenario shows the call flow for a switch-classified call with ACD Split 3456 
as the originator (see Figure B-17). The ACD split 3456 has call forwarding active 
to VDN 8901. VDN 8901 routes the call to extension 5001.
Event Notification for ACD Split 3456 is active as presented in the initialization 
scenario. VDN 8901 and ACD Split 2111 do not have Event Notification active. 
Figure B-17. Call Flow for...