The following table shows the evntType/indType combinations returned when receiving ISUP protocol messages:
Message type |
Mnemonic |
indType |
evntType |
Address complete |
ACM |
EVTSITCNSTIND |
ADDRCMPLT |
Answer |
ANM |
EVTSITCONCFM |
None |
Application transport message |
APM |
EVTSITSTAIND |
APPTRANSPORT |
Blocking (not supported in BICC) |
BLO |
EVTSITSTAIND |
CIRBLKREQ |
Blocking acknowledgment (not supported in BICC) |
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 |
N/A |
Unsupported. |
Circuit group blocking |
CGB |
EVTSITSTAIND |
CIRGRPBLKREQ |
Circuit group blocking acknowledgment |
CGBA |
EVTSITSTAIND |
CIRGRPBLKRSP |
Circuit group query |
CQM |
N/A |
Handled automatically by ISUP task. |
Circuit group query response |
CQR |
EVTSITSTAIND |
CIRGRPQRYRSP |
Circuit group reset |
GRS |
EVTSITSTAIND |
CIRGRPRESREQ |
Circuit group reset acknowledgment |
GRA |
EVTSITSTAIND |
CIRGRPRESACK |
Circuit group unblocking |
CGU |
EVTSITSTAIND |
CIRGRPUNBLKREQ |
Circuit group unblocking acknowledgment |
CGUA |
EVTSITSTAIND |
CIRGRPUNBLKRSP |
Circuit reservation |
CRM |
EVTSITSTAIND |
CIRRESERVE |
Circuit reservation acknowledgment |
CRA |
EVTSITSTAIND |
CIRRESERVEACK |
Circuit validation response |
CVR |
N/A |
Handled automatically by ISUP task. |
Circuit validation test |
CVT |
N/A |
Handled automatically by ISUP task. |
Confusion |
CFN |
EVTSITSTAIND |
CONFUSION |
Connect |
CON |
EVTSITCONCFM |
|
Continuity |
COT |
EVTSITSTAIND |
CONTREP |
Continuity check request (not supported in BICC) |
CCR |
EVTSITSTAIND |
CONTCHK |
Delayed release |
DRS |
N/A |
Unsupported. |
Exit |
EXM |
EVTSITCNSTIND |
EXIT |
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 |
|
Loop prevention |
LOP |
EVTSITSTAIND |
LOOPPREVENTION |
Loopback acknowledgment (not supported by BICC) |
LPA |
EVTSITSTAIND |
LOOPBCKACK |
Network resource manager |
NRM |
EVTSITCNSTIND |
NETRESMGR |
Overload (not supported in BICC) |
OLM |
N/A |
Handled automatically by ISUP task. |
Pass-along (not supported in BICC) |
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 (not supported in BICC) |
UBL |
EVTSITSTAIND |
CIRUNBLKREQ |
Unblocking acknowledgment (not supported in BICC) |
UBA |
EVTSITSTAIND |
CIRUNBLKRSP |
Unequipped circuit identification code |
UCIC |
EVTSITSTAIND |
CIRUNEQPD |
User part available (not supported in BICC) |
UPA |
N/A |
Handled automatically by ISUP task. |
User part test (not supported in BICC) |
UPT |
N/A |
Handled automatically by ISUP task. |
User-to-user information |
USR |
EVTSITDATIND |
|