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Appendix C

Message/API Cross-Reference

: Introduction
: Sending ISUP Protocol Messages
: Receiving ISUP Protocol Messages

Introduction

This appendix describes the event initialization routines and API primitive combinations used to send and receive various ISUP protocol messages.

Sending ISUP Protocol Messages

The following table describes the event initialization routine/API primitive combinations used to send various ISUP protocol messages. When applicable, the value required for the evntType argument to the primitive is shown.

Message Type

Mnemonic

Event Initialization Routine

Primitive

Address complete

ACM

ISUPInitACM

ISUPConnectStatusReq
evntType = ADDRCMPLT

Answer

ANM

ISUPInitANM

ISUPConnectResp

Blocking

BLO

none

ISUPStatusReq
evntType = CIRBLKREQ

Blocking acknowledgement

BLA

none

ISUPStatusReq
evntType = CIRBLKRSP

Call modification complete

CMC

none

ISUPConnectStatusReq
evntType = MODCMPLT

Call modification reject

CMRJ

none

ISUPConnectStatusReq
evntType = MODREJ

Call modification request

CMR

none

ISUPConnectStatusReq
evntType = MODIFY

Call progress

CPG

ISUPInitCPG

ISUPConnectStatusReq
evntType = PROGRESS

Charge information

CRG

none

Unsupported

Circuit group blocking

CGB

none

ISUPStatusReq
evntType = CIRGRPBLKREQ

Circuit group blocking acknowledgment

CGBA

none

ISUPStatusReq
evntType = CIRGRPBLKRSP

Circuit group query

CQM

none

ISUPStatusReq
evntType = CIRGRQRYREQ

Circuit group query response

CQR

none

Generated automatically by ISUP task

Circuit group reset

GRS

none

ISUPStatusReq
evntType = CIRGRPRESREQ

Circuit group reset acknowledgement

GRA

none

Generated automatically by ISUP task

Circuit group unblocking

CGU

none

ISUPStatusReq
evntType = CIRGRPUNBLKREQ

Circuit group unblocking acknowledgment

CGUA

none

ISUPStatusReq
evntType = CIRGRPUNBLKRSP

Circuit reservation

CRM

ISUPInitCRM

ISUPStatusReq
evntType = CIRRESERVE

Circuit reservation acknowledgement

CRA

none

ISUPStatusReq
evntType = CIRRESERVEACK

Circuit validation response

CVR

none

Generated automatically by ISUP task

Circuit validation test

CVT

none

isupValidateCircuit
(Management API)

Confusion

CFN

none

Generated automatically by ISUP task

Connect

CON

ISUPInitCON

ISUPConnectResp

Continuity

COT

ISUPInitCOT

ISUPStatusReq
evntType = CONTREP

Continuity check request

CCR

none

ISUPStatusReq
evntType = CONTCHK

Delayed release

DRS

none

Unsupported

Exit

EXM

none

Generated automatically by ISUP task

Facility

FAC

ISUPInitFAC

ISUPFacilityReq
evntType = FACILITY

Facility accepted

FAA

ISUPInitFAA

ISUPFacilityResp
evntType = FACILITYACC

Facility reject

FRJ

ISUPInitFRJ

ISUPFacilityResp
evntType = FACILITYREJ

Facility request

FAR

ISUPInitFAR

ISUPFacilityReq
evntType = TACILITYREQ

Facility deactivate

FAR

ISUPInitFAD

ISUPFacilityReq
evntType = FACILITYDEACT

Facility Information

FAR

ISUPInitFAI

ISUPFacilityReq
evntType = FACILITYINFO

Forward transfer

FOT

ISUPInitFOT

ISUPConnectStatusReq
evntType = FRWDTRSFR

Identification request

IDM

none

ISUPConnectStatusReq
evntType = IDENTRSP

Identification response

IDR

none

ISUPConnectStatusReq
evntType = IDENTREQ

Information

INF

ISUPInitINF

ISUPConnectStatusReq
evntType = INFORMATION

Information request

INR

ISUPInitINR

ISUPConnectStatusReq
evntType = INFORMATREQ

Initial address

IAM

ISUPInitIAM

ISUPConnectReq

Loopback acknowledgement

LPA

none

ISUPStatusReq
evntType = LOOPBCKACK

Overload

OLM

none

Generated automatically by ISUP task

Pass-along

PAM

ISUPDataReq

Release

REL

ISUPInitREL

ISUPReleaseReq

Release complete

RLC

none

ISUPReleaseResp

Reset circuit

RSC

none

ISUPStatusReq
evntType = CIRRESREQ

Resume

RES

ISUPInitRES

ISUPResumeReq

Subsequent address

SAM

ISUPInitSAM

ISUPConnectStatusReq
evntType = SUBSADDR

Suspend

SUS

ISUPInitSUS

ISUPSuspendReq

Unblocking

UBL

none

ISUPStatusReq
evntType = CIRUNBLKREQ

Unblocking acknowledgement

UBA

none

ISUPStatusReq
evntType = CIRUNBLKRSP

Unequipped circuit identification code

UCIC

none

Generated automatically by ISUP task

User part available

UPA

none

Generated automatically by ISUP task

User part test

UPT

none

Generated automatically by ISUP task

User-to-user information

USR

ISUPDataReq

Message Type	Mnemonic	Event Initialization Routine	Primitive
Address complete	ACM	ISUPInitACM	ISUPConnectStatusReq evntType = `ADDRCMPLT`
Answer	ANM	ISUPInitANM	ISUPConnectResp
Blocking	BLO	none	ISUPStatusReq evntType = `CIRBLKREQ`
Blocking acknowledgement	BLA	none	ISUPStatusReq evntType = `CIRBLKRSP`
Call modification complete	CMC	none	ISUPConnectStatusReq evntType = `MODCMPLT`
Call modification reject	CMRJ	none	ISUPConnectStatusReq evntType = `MODREJ`
Call modification request	CMR	none	ISUPConnectStatusReq evntType = `MODIFY`
Call progress	CPG	ISUPInitCPG	ISUPConnectStatusReq evntType = `PROGRESS`
Charge information	CRG	none	Unsupported
Circuit group blocking	CGB	none	ISUPStatusReq evntType = `CIRGRPBLKREQ`
Circuit group blocking acknowledgment	CGBA	none	ISUPStatusReq evntType = `CIRGRPBLKRSP`
Circuit group query	CQM	none	ISUPStatusReq `evntType` = `CIRGRQRYREQ`
Circuit group query response	CQR	none	Generated automatically by ISUP task
Circuit group reset	GRS	none	ISUPStatusReq `evntType` = `CIRGRPRESREQ`
Circuit group reset acknowledgement	GRA	none	Generated automatically by ISUP task
Circuit group unblocking	CGU	none	ISUPStatusReq `evntType` = `CIRGRPUNBLKREQ`
Circuit group unblocking acknowledgment	CGUA	none	ISUPStatusReq `evntType` = `CIRGRPUNBLKRSP`
Circuit reservation	CRM	ISUPInitCRM	ISUPStatusReq `evntType` = `CIRRESERVE`
Circuit reservation acknowledgement	CRA	none	ISUPStatusReq `evntType` = `CIRRESERVEACK`
Circuit validation response	CVR	none	Generated automatically by ISUP task
Circuit validation test	CVT	none	isupValidateCircuit (Management API)
Confusion	CFN	none	Generated automatically by ISUP task
Connect	CON	ISUPInitCON	ISUPConnectResp
Continuity	COT	ISUPInitCOT	ISUPStatusReq `evntType` = `CONTREP`
Continuity check request	CCR	none	ISUPStatusReq `evntType` = `CONTCHK`
Delayed release	DRS	none	Unsupported
Exit	EXM	none	Generated automatically by ISUP task
Facility	FAC	ISUPInitFAC	ISUPFacilityReq `evntType` = `FACILITY`
Facility accepted	FAA	ISUPInitFAA	ISUPFacilityResp `evntType` = `FACILITYACC`
Facility reject	FRJ	ISUPInitFRJ	ISUPFacilityResp `evntType` = `FACILITYREJ`
Facility request	FAR	ISUPInitFAR	ISUPFacilityReq `evntType` = `TACILITYREQ`
Facility deactivate	FAR	ISUPInitFAD	ISUPFacilityReq `evntType` = `FACILITYDEACT`
Facility Information	FAR	ISUPInitFAI	ISUPFacilityReq `evntType` = `FACILITYINFO`
Forward transfer	FOT	ISUPInitFOT	ISUPConnectStatusReq `evntType` = `FRWDTRSFR`
Identification request	IDM	none	ISUPConnectStatusReq `evntType` = `IDENTRSP`
Identification response	IDR	none	ISUPConnectStatusReq `evntType` = `IDENTREQ`
Information	INF	ISUPInitINF	ISUPConnectStatusReq `evntType` = `INFORMATION`
Information request	INR	ISUPInitINR	ISUPConnectStatusReq `evntType` = `INFORMATREQ`
Initial address	IAM	ISUPInitIAM	ISUPConnectReq
Loopback acknowledgement	LPA	none	ISUPStatusReq `evntType` = `LOOPBCKACK`
Overload	OLM	none	Generated automatically by ISUP task
Pass-along	PAM		ISUPDataReq
Release	REL	ISUPInitREL	ISUPReleaseReq
Release complete	RLC	none	ISUPReleaseResp
Reset circuit	RSC	none	ISUPStatusReq `evntType` = `CIRRESREQ`
Resume	RES	ISUPInitRES	ISUPResumeReq
Subsequent address	SAM	ISUPInitSAM	ISUPConnectStatusReq `evntType` = `SUBSADDR`
Suspend	SUS	ISUPInitSUS	ISUPSuspendReq
Unblocking	UBL	none	ISUPStatusReq `evntType` = `CIRUNBLKREQ`
Unblocking acknowledgement	UBA	none	ISUPStatusReq `evntType` = `CIRUNBLKRSP`
Unequipped circuit identification code	UCIC	none	Generated automatically by ISUP task
User part available	UPA	none	Generated automatically by ISUP task
User part test	UPT	none	Generated automatically by ISUP task
User-to-user information	USR		ISUPDataReq

Receiving ISUP Protocol Messages

evntType/indType combinations seen when receiving ISUP protocol messages.

Message Type

Mnemonic

indType

evntType

Address complete

ACM

EVTSITCNSTIND

ADDRCMPLT

Answer

ANM

EVTSITCONCFM

Blocking

BLO

EVTSITSTAIND

CIRBLKREQ

Blocking acknowledgement

BLA

EVTSITSTAIND

CIRBLKRSP

Call modification complete

CMC

EVTSITCNSTIND

MODCMPLT

Call modification reject

CMRJ

EVTSITCNSTIND

MODREJ

Call modification request

CMR

EVTSITCNSTIND

MODIFY

Call progress

CPG

EVTSITCNSTIND

PROGRESS

Charge information

CRG

Unsupported

Circuit group blocking

CGB

EVTSITSTAIND

CIRGRPBLKREQ

Circuit group blocking acknowledgment

CGBA

EVTSITSTAIND

CIRGRPBLKRSP

Circuit group query

CQM

Handled automatically by ISUP task

Circuit group query response

CQR

EVTSITSTAIND

CIRGRQRYRSP

Circuit group reset

GRS

EVTSITSTAIND

CIRGRPRESREQ

Circuit group reset acknowledgement

GRA

Generated automatically by ISUP task

Circuit group unblocking

CGU

EVTSITSTAIND

CIRGRPUNBLKREQ

Circuit group unblocking acknowledgment

CGUA

EVTSITSTAIND

CIRGRPUNBLKRSP

Circuit reservation

CRM

EVTSITSTAIND

CIRRESERVE

Circuit reservation ack

CRA

EVTSITSTAIND

CIRRESERVEACK

Circuit validation response

CVR

Generated automatically by ISUP task

Circuit validation test

CVT

isupValidateCircuit in Management API

Confusion

CFN

Generated automatically by ISUP task

Connect

CON

EVTSITCONCFM

Continuity

COT

EVTSITSTAIND

CONTREP

Continuity check request

CCR

EVTSITSTAIND

CONTCHK

Delayed release

DRS

Unsupported

Exit

EXM

Generated automatically by ISUP task

Facility

FAC

EVTSITFACIND

FACILITY

Facility accepted

FAA

EVTSITFACIND

FACILITYACC

Facility reject

FRJ

EVTSITFACIND

FACILITYREJ

Facility request

FAR

EVTSITFACIND

FACILITYEQ

Facility deactivate

FAD

EVTSITFACIND

FACILITYDEACT

Facility information

FAI

EVTSITFACIND

FACILITYINFO

Forward transfer

FOT

EVTSITCNSTIND

FRWDTRSFR

Identification request

IDM

EVTSITCNSTIND

IDENTRSP

Identification response

IDR

EVTSITCNSTIND

IDENTREQ

Information

INF

EVTSITCNSTIND

INFORMATION

Information request

INR

EVTSITCNSTIND

INFORMATREQ

Initial address

IAM

EVTSITCONIND

Loopback acknowledgment

LPA

EVTSITSTAIND

LOOPBCKBCK

Overload

OLM

Generated automatically by ISUP task

Pass-along

PAM

EVTSITDATIND

Release

REL

EVTSITRELIND

Release complete

RLC

EVTSITRELCFM

Reset circuit

RSC

EVTSITSTAIND

CIRRESREQ

Resume

RES

EVTSITRESMIND

Subsequent address

SAM

EVTSITCNSTIND

SUBSADDR

Suspend

SUS

EVTSITSUSPIND

Unblocking

UBL

EVTSITSTAIND

CIRUNBLKREQ

Unblocking ack

UBA

EVTSITSTAIND

CIRUNBLKRSP

Unequipped circuit identification code

UCIC

Generated automatically by ISUP task

User part available

UPA

Generated automatically by ISUP task

User part test

UPT

Generated automatically by ISUP task

User-to-user information

USR

EVTSITDATIND

Message Type	Mnemonic	indType	evntType
Address complete	ACM	`EVTSITCNSTIND`	`ADDRCMPLT`
Answer	ANM	`EVTSITCONCFM`
Blocking	BLO	`EVTSITSTAIND`	`CIRBLKREQ`
Blocking acknowledgement	BLA	`EVTSITSTAIND`	`CIRBLKRSP`
Call modification complete	CMC	`EVTSITCNSTIND`	`MODCMPLT`
Call modification reject	CMRJ	`EVTSITCNSTIND`	`MODREJ`
Call modification request	CMR	`EVTSITCNSTIND`	`MODIFY`
Call progress	CPG	`EVTSITCNSTIND`	`PROGRESS`
Charge information	CRG		Unsupported
Circuit group blocking	CGB	`EVTSITSTAIND`	`CIRGRPBLKREQ`
Circuit group blocking acknowledgment	CGBA	`EVTSITSTAIND`	`CIRGRPBLKRSP`
Circuit group query	CQM		Handled automatically by ISUP task
Circuit group query response	CQR	`EVTSITSTAIND`	`CIRGRQRYRSP`
Circuit group reset	GRS	`EVTSITSTAIND`	`CIRGRPRESREQ`
Circuit group reset acknowledgement	GRA		Generated automatically by ISUP task
Circuit group unblocking	CGU	`EVTSITSTAIND`	`CIRGRPUNBLKREQ`
Circuit group unblocking acknowledgment	CGUA	`EVTSITSTAIND`	`CIRGRPUNBLKRSP`
Circuit reservation	CRM	`EVTSITSTAIND`	`CIRRESERVE`
Circuit reservation ack	CRA	`EVTSITSTAIND`	`CIRRESERVEACK`
Circuit validation response	CVR		Generated automatically by ISUP task
Circuit validation test	CVT		isupValidateCircuit in Management API
Confusion	CFN		Generated automatically by ISUP task
Connect	CON	`EVTSITCONCFM`
Continuity	COT	`EVTSITSTAIND`	`CONTREP`
Continuity check request	CCR	`EVTSITSTAIND`	`CONTCHK`
Delayed release	DRS		Unsupported
Exit	EXM		Generated automatically by ISUP task
Facility	FAC	`EVTSITFACIND`	`FACILITY`
Facility accepted	FAA	`EVTSITFACIND`	`FACILITYACC`
Facility reject	FRJ	`EVTSITFACIND`	`FACILITYREJ`
Facility request	FAR	`EVTSITFACIND`	`FACILITYEQ`
Facility deactivate	FAD	`EVTSITFACIND`	`FACILITYDEACT`
Facility information	FAI	`EVTSITFACIND`	`FACILITYINFO`
Forward transfer	FOT	`EVTSITCNSTIND`	`FRWDTRSFR`
Identification request	IDM	`EVTSITCNSTIND`	`IDENTRSP`
Identification response	IDR	`EVTSITCNSTIND`	`IDENTREQ`
Information	INF	`EVTSITCNSTIND`	`INFORMATION`
Information request	INR	`EVTSITCNSTIND`	`INFORMATREQ`
Initial address	IAM	`EVTSITCONIND`
Loopback acknowledgment	LPA	`EVTSITSTAIND`	`LOOPBCKBCK`
Overload	OLM		Generated automatically by ISUP task
Pass-along	PAM	`EVTSITDATIND`
Release	REL	`EVTSITRELIND`
Release complete	RLC	`EVTSITRELCFM`
Reset circuit	RSC	`EVTSITSTAIND`	`CIRRESREQ`
Resume	RES	`EVTSITRESMIND`
Subsequent address	SAM	`EVTSITCNSTIND`	`SUBSADDR`
Suspend	SUS	`EVTSITSUSPIND`
Unblocking	UBL	`EVTSITSTAIND`	`CIRUNBLKREQ`
Unblocking ack	UBA	`EVTSITSTAIND`	`CIRUNBLKRSP`
Unequipped circuit identification code	UCIC		Generated automatically by ISUP task
User part available	UPA		Generated automatically by ISUP task
User part test	UPT		Generated automatically by ISUP task
User-to-user information	USR	`EVTSITDATIND`

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