ANSI-based HP OpenCall SS7 ISUP

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.

ANSI-based HP OpenCall SS7 ISUP

Technical documentation

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