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

							DEFINITY®
Enterprise Communications Server
Release 5
CallVisor
® ASAI Protocol Reference
555-230-221
Comcode 108001066
Issue 6
June 1997 
						

							NoticeWhile reasonable efforts were made to ensure that the information 
in this document was complete and accurate at the time of printing, 
Lucent Technologies can assume no responsibility for any errors. 
Changes and corrections to the information contained in this 
document may be incorporated into future reissues.
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Technologies does not warrant that this product is immune from or 
will prevent unauthorized use of common-carrier telecommunication 
services or facilities accessed through or connected to it. Lucent 
Technologies will not be responsible for any charges that result from 
such unauthorized use. Product administration to prevent 
unauthorized use is your responsibility and your system 
administrator should read all documents provided with this product 
to fully understand the features available that may reduce your risk 
of incurring charges.
Federal Communications Commission Statements
Part 15: Class A Statement.  
This equipment has been tested 
and found to comply with the limits for a Class A digital device, 
pursuant to Part 15 of the FCC Rules. These limits are designed to 
provide reasonable protection against harmful interference when the 
equipment is operated in a commercial environment. This 
equipment generates, uses, and can radiate radio-frequency energy 
and, if not installed and used in accordance with the instruction 
manual, may cause harmful interference to radio communications. 
Operation of this equipment in a residential area is likely to cause 
harmful interference, in which case the user will be required to 
correct the interference at his or her own expense.
Part 68: Network Registration Number. This equipment is 
registered with the FCC in accordance with Part 68 of the FCC 
Rules. It is identified by FCC registration number 
AS593M-13283-MF-E.
Part 68: Answer-Supervision Signaling. Allowing this 
equipment to be operated in a manner that does not provide proper 
answer-supervision signaling is in violation of Part 68 rules. This 
equipment returns answer-supervision signals to the public switched 
network when:
nAnswered by the called stationnAnswered by the attendantnRouted to a recorded announcement that can be 
administered by the CPE userThis equipment returns answer-supervision signals on all DID calls 
forwarded back to the public switched telephone network. 
Permissible exceptions are:
nA call is unanswered
nA busy tone is receivednA reorder tone is received
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AcknowledgmentThis document was prepared by the
BCS Product Documentation Development  
Lucent Technologies 
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Copyright © 1997 Lucent Technologies 
All Rights Reserved
Printed in USA 
						

							Contents
Issue  6 June 1997iii
About This Document xxix
nReason for Reissue xxix
nTerminology xxix
nIntended Audience xxix
nRelated Documents xxx
1 Introduction to Layer 3 Protocol 1-1
nASAI Association 1-2
nISDN Call Reference Values (CRVs) 1-3
nFacility Information Element (FIE)
General Description 1-5
FIE Acknowledgements 1-6
FIE Protocol Errors 1-6
Operation Values 1-7
Invoke-id Values 1-7
nDenying an ASAI Request 1-8
nAborting an ASAI Association 1-9
2 Messaging Sequences and ASAI 2-1
Message Conventions 2-1
Conventions 2-2
nCommon Capabilities 2-3
Event Reports 2-3
Call-Related Event Reports 2-5
Alerting Event Report 2-6
Answered Event Report 2-6
Call Conferenced Event Report 2-7
Call Initiated Event Report 2-8
Call Offered to Domain Event Report 2-8
Call Originated Event Report 2-9
Call Redirected Event Report 2-9
Call Transferred Event Report 2-9 
						

							Contents
ivIssue  6 June 1997 
Charging Event Report 2-10
Connected Event Report 2-10
Cut-Through Event Report 2-11
Disconnect/Drop Event Report 2-11
Entered Digits Event Report 2-11
Hold Event Report 2-12
Queued Event Report 2-12
Reconnected Event Report 2-12
Trunk Seized Event Report 2-13
Call-Related Event Reports When Ending
Adjunct Control 2-13
Busy/Unavailable Event Report 2-13
Reorder/Denial Event Report 2-14
Call Ended 2-14
Non-Call Related Event Reports 2-15
Logout Event Report 2-15
Login Event Report 2-15
nThird Party Control Associations 2-16
nCall Control Association 2-17
Initiating a Call Control Association 2-17
Call Control and Event Reporting on a Call
Control Association 2-17
Termination of a Call Control Association 2-17
Third Party Make Call —
Initiating Procedure 2-18
Third Party Take Control —
Initiating Procedure 2-20
Third Party Relinquish Control — 
Terminating Procedure 2-21
nDomain (Station) Control Procedure 2-22
Domain (ACD Split) Control 2-22
Domain Control Request —
Initiating Procedure 2-22
Cancel Domain Control — Terminating Procedure 2-23
Domain Control Ended — Terminating Procedure 2-23
Auto Dial Procedure 2-24
Third Party Answer Procedure 2-25
nCall Control Procedures 2-26
Third Party Drop Procedure 2-26 
						

							Contents
Issue  6 June 1997v
Third Party Hold Procedure 2-27
Third Party Reconnect Procedure 2-27
Third Party Merge Procedure 2-28
Third Party Clear Call Procedure 2-29
Send DTMF Signals Procedure 2-29
Redirect Call Procedure 2-30
Third Party Listen Disconnect Procedure 2-30
Third Party Listen Reconnect Procedure 2-31
nNotification Association Procedure 2-32
nRouting Association Procedure 2-34
nRequest Feature Association 2-37
Agent Login Procedure 2-37
Agent Logout Procedure 2-38
Agent Work Mode Change Procedure 2-38
Call Forwarding Activation Procedure 2-39
Call Forwarding Cancel Procedure 2-40
Send All Calls Activation Procedure 2-40
Cancel Send All Calls Procedure 2-41
nValue Query Association 2-42
Date/Time Query Procedure 2-42
Split Status Query Procedure 2-42
Agent Status Query Procedure 2-43
Station MWL Status Query Procedure 2-43
Station Send-All-Calls Query Procedure 2-44
Station Call Forwarding Status Query Procedure 2-44
Station Status Query Procedure 2-45
Trunk Group Query Procedure 2-45
Call Classifiers Query Procedure 2-46
Calls Query Procedure 2-46
Party ID Query Procedure 2-47
Extension Information Query Procedure 2-47
Agent Login Audit Procedure 2-48
Integrated Directory Database Query Procedure 2-49
nSet Value Association 2-50
Activate Message Waiting Lamp Procedure 2-50 
						

							Contents
viIssue  6 June 1997 
Deactivate Message Waiting Lamp Procedure 2-50
Billing Change Request Procedure 2-51
nEnding an ASAI Association 2-52
Endpoint Denies a Request 2-52
Endpoint Application Level Software Aborts
ASAI Processing 2-53
Endpoint Rejects FIE 2-54
ASAI and BRI Parser Interactions 2-55
nLink Management and Maintenance Procedures 2-57
Maintenance Heartbeat Procedure 2-57
ASAI Restart Procedure 2-58
Sending RESTart 2-58
Receiving RESTart 2-59
Suspend/Resume ECS Alarming on ASAI Link 2-60
nApplication Timers 2-61
Timing of ASAI Responses (ACKs/NAKs) 2-61
Initial Messages on an ASAI Link 2-61
3 Message Descriptions 3-1
nMessage Overview 3-1
nFACility Message 3-2
nManagement Information Message (MIM) 3-3
nREGister Message 3-3
nRELease COMplete Message 3-4
nRESTart Message 3-4
nRESTart ACKnowledge Message 3-6
nStatus Message 3-7
4 Information Elements 4-1
nProtocol Discriminator 4-3
nCall Reference Value (CRV) 4-3 
						

							Contents
Issue  6 June 1997vii
nMessage Type Information Element 4-5
nCodeset Information Elements 4-6
Coding Rules 4-6
Locking Shift Procedure 4-9
nCodeset 0 Information Elements 4-11
Call State 4-11
Called Party Number 4-12
Calling Party Number 4-14
Cause 4-16
Call Identity 4-20
Connected Number 4-21
Date/Time 4-23
Progress Indicator 4-24
Redirecting Number 4-26
Redirection Number 4-28
Restart Indicator 4-29
User to User Information 4-30
nCodeset 6 Information Elements 4-31
Call Options 4-31
Conference/Transfer Options 4-33
Counter 4-34
Data Item IE 4-35
 Domain 4-37
Facility Information Element (FIE) 4-40
Service Discriminator 4-40
Components (Bytes 4, etc.) 4-40
Component Type Tag 4-45
Invoke Identifier Tags 4-46
Using Existing Q.931 IEs as Parameters 4-52
Feature 4-54
Generic Billing Data 4-55
Item 4-56
Lookahead Interflow 4-57
Management Information Element (MIE) 4-59
Old Party Identifier 4-61
Originating Line Information 4-62 
						

							Contents
viiiIssue  6 June 1997 
Party Identifier 4-63
Resource Identifier 4-64
Resource Status 4-65
Service Circuit 4-67
Specific Event 4-68
Status 4-70
Trunk Group Identification 4-72
Trunk Group/Trunk Status 4-74
User-Entered Code 4-76
Version 4-78
5 Byte Level Messages 5-1
nConventions 5-1
nEvent Reports 5-2
Event Reports: REGister Messages Sent by the
Adjunct 5-2
Event Reports: REGister Messages Sent by the
switch 5-2
Event Reports: FACility Messages Sent by the
switch 5-2
Alerting Event Report 5-3
Answered Event Report 5-6
Busy/Unavailable Event Report 5-8
Call Conferenced Event Report 5-9
Call Initiated Event Report 5-11
Call Offered to Domain Event Report 5-12
Call Originated Event Report 5-15
Call Redirected Event Report 5-17
Call Transferred Event Report 5-18
Charging Event Report 5-20
Connected Event Report 5-22
Cut-Through Event Report 5-24
Disconnect/Drop Event Report 5-25
Entered Digits Event Report 5-27 
						

							Contents
Issue  6 June 1997ix
Hold Event Report 5-28
Login Event Report — 
Domain (ACD Split/Skill) Control Association 5-29
Logout Event Report —
Domain (ACD Split/Skill) Control Association 5-31
Queued Event Report 5-33
Reconnected Event Report 5-35
Reorder/Denial Event Report 5-36
Trunk Seized Event Report 5-37
nCall Control Capability Group 5-38
Call Control: REGister Messages Sent by the
Adjunct 5-38
Third Party Make Call Request 5-39
Third Party Take Control Request 5-42
Call Control: REGister Messages Sent by the switch 5-43
Call Control: FACility Messages Sent by the Adjunct 5-43
Third Party Clear Call Request 5-44
Third Party Selective Drop Request 5-45
Third Party Selective Hold Request 5-46
Third Party Reconnect Request 5-47
Third Party Merge Request 5-48
Third Party Relinquish Control Request 5-49
Third Party Listen Disconnect Request 5-50
Third Party Listen Reconnect Request 5-51
Third Party Send DTMF Digits Request 5-52
Redirect Call 5-54
Call Control: FACility Messages Sent by the switch 5-55
Acknowledgment of Third Party 
Make Call Request 5-55
Acknowledgment of Third Party 
Take Control Request 5-57
Acknowledgment of Third Party Merge Request 5-59
Call Control: Acknowledgment (No Parameters) 
Association Continues 5-61
Call Control: Request is Denied — Association
Continues 5-62 
						

							Contents
xIssue  6 June 1997 
Call Control: RELease COMplete Messages Sent
by the Adjunct 5-63
Call Control: RELease COMplete Messages Sent
by the switch 5-63
Call Control: Acknowledgment — Association
Terminates 5-63
Call Control: Request is Denied — Association
Terminated 5-64
Call Control: Internal switch Audit 
Finds Stale Call Control CRV 5-65
Third Party Call Ended —
Association Terminates 5-66
Call Control: RELease COMplete Messages Sent
by Both the switch and the Adjunct 5-67
Call Control: Normal Clearing Terminates 
Call Control Association 5-67
Call Control: A Message is Not Understood — 
Association Aborted 5-67
Call Control: Endpoint Rejects an
Invalid/Protocol Violation FIE — Terminates
Association 5-68
Call Control: Endpoint Aborts an Association 5-69
nDomain Control Capability Group 5-70
Domain Control: REGister Messages Sent by the
Adjunct 5-70
Domain Control (Station/ACD Split) 
Request 5-70
Domain Control: REGister Messages Sent by the
switch 5-71
Domain Control: FACility Messages Sent by the
Adjunct 5-71
Third Party (Domain) Selective Drop Request 5-72
Third Party (Domain) Selective Hold Request 5-73
Third Party (Domain) Reconnect Request 5-74
Third Party (Domain) Merge Request 5-75
Third Party (Domain) Answer Request 5-76
Third Party Auto Dial Request for an Extension 5-77
Third Party (Domain) Relinquish 
Control Request 5-79