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hp OpenCall SS7 platform Application Developer's Guide: For Release 3.1 on Linux > Appendix A ISUP Library Values

ANSI-based HP OpenCall SS7 ISUP

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Table A-1 SETUP_FAILURE_IND

Value

Comments

DUAL_SEIZURE

The application, unaware that ISUP has already received an IAM message on the same circuit, sent a SETUP_REQ

COT_FAILURE

A continuity check (incoming or outgoing) failed

FLOW_CONTROL

T7 timeout popped, when in outbound flow control state

 

Table A-2 START_RESET_IND

Value

Comments

UNEXPECTED_MESSAGE

Received an unexpected message while in states where a reset procedure must be engaged (see recommended SDLs).

T5_TIMEOUT

T5 timeout expired.

COT_CC_NOT_REQUIRED

Received a COT message while continuity was not required on the corresponding circuit.

MTP_UNAVAILABLE

See NOTE * below.

DPC_UNAVAILABLE

See NOTE * below.

BLOCKING_WITH_RELEASE

Handled a CGB message requesting immediate release.
See NOTE * below.

TCCRr_TIMEOUT

TCCRr timeout expired for incoming continuity recheck.

T27_TIMEOUT

T27 timeout expired for incoming continuity recheck.

T34_TIMEOUT

T34 timeout expired for incoming continuity recheck.

DCO_LPA_FAIL

LPA was not received within the TCCRr timer for outgoing continuity recheck.

UNEQUIPPED_CIRCUIT

Received a UCIC on a circuit that is not Idle regarding the CPC state machine.

TIMER_SHORTAGE

when trying to start a T6, T7, T8, or T_CRA timer, there is no timer available and the corresponding circuit is not idle with regard to the CPC state machine.

 

NOTE: * No RESET_CONF indication should be awaited after a START_RESET_IND with these cause values.

Table A-3 START_RELEASE_IND

Value

Comments

UNEXPECTED_RLC

RLC was received while in unexpected states (see SDL diagrams):

 

CPCI:

 
  • Wait for COT and IAM

  • Wait for IAM

  • Wait for COT

  • Wait for OGC complete

  • Wait for Answer

  • ICC answered

  • ICC suspended

 

CPCO:

 
  • Wait for continuity reports

  • Wait for address complete

  • Wait for answer

T6_TIMEOUT

T6 timer expired

T7_TIMEOUT

T7 timeout expired

T8_TIMEOUT

T8 timeout expired

T33_TIMEOUT

T33 timeout expired

T_CRA_TIMEOUT

TCRA expired

BLOCKING

CPCO:

 
  • BLO/CGB (without release) received in Wait for continuity reports

  • BLO/CGB (without release) received in Wait for address complete

T1_TIMEOUT

T1 expired during outgoing continuity recheck

DCO_SUCCESS

Continuity recheck was successful.

STOP_REQ

Continuity recheck was stopped by the application.

 

Table A-4 MAINTENANCE_SYSTEM_IND

Value returned

Comments

T13_TIMEOUT

T13 timer expired (BLS)

T15_TIMEOUT

T15 timeout expired (BLS)

T23_TIMEOUT

T23 first expiry (CGRS)

T5_TIMEOUT

T5 timeout expired

COT_RECEIVED

Received a COT with first time indicator=on during incoming continuity recheck

T5_TIMEOUT

T5 expired during outgoing continuity recheck

DCO_FAIL

Outgoing continuity recheck failed (T24 timeout) with first time indicator=on

DCO_SUCCESS

Outgoing continuity recheck succeeded with first time indicator=on

STOP_REQ

The application sent STOP_REQ during outgoing continuity recheck

T17_TIMEOUT

T17 expired

RSC_AFTER_T17

Received RSC while CRS state machine was in the Wait for RLC state

CRS_STOP

CRS state machine stopped while waiting for RLC message

RLC_AFTER_T17

Received RLC while the CRS state machine was in the Wait for RLC state

T19_TIMEOUT

T19 timer expired (GBUS)

T21_TIMEOUT

T21 timer expired (GBUS)

T18_NOT_RUNNING

CGBA received while T18 was not running in Wait for CGBA states on the GBUS state machine

WRONG_STATUS_BITS

CGBA/CGUA received while the GBUS state machine was in Wait for CGBA/CGUA states and too many or too few bits were set in status

T20_NOT_RUNNING

CGUA received while T20 is not running in Wait for CGUA states on the GBUS state machine

UNEQUIPPED_CIRCUIT

UCIC received.

TIMER_SHORTAGE

Too many timers is use, no more timers available.

NON_ISDN_ACCESS_INDICATION

An address complete message is received with the ISDN access indicator set to NON_ISDN (ITU-T TTC3 only).

CIRCUIT_VALIDATION_TEST_FAILED (second time)

Circuit validation test failed. T_CVT timeout for the second time.

RECV_ON_UNEQUIPPED_CIRCUIT

A message is received on a non configured or unequipped circuit.

 

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