The following table lists the extra disconnect reason codes:

Extra Disconnect Reason Codes

ID

DEFINITION

0

NO_INFORMATION
Call terminated early through an unidentified code path. May be accompanied by a SYS error.

1

INTERNAL_PROCESSING_ERROR
Error condition associated with internal processing errors. Normally accompanied by associated SYS Error or a MAJOR EVENT Debug Log.

2

DISCARD
Corrupt message discarded.

3

OOS_MSG
Message out of sequence.

4

RELEASE_IN_SETUP
Call released in Setup.

5

ADDRESS_INCOMPLETE
Insufficient address information to route the call.

6

CONGESTION
Machine Congestion.

7

NRM_FAIL
NRM failed to allocate resources.

8

PRM_FAIL
PRM failed to allocate channel.

ISUP Signaling Subsystem Values

256

MTP_CONGESTION
Congestion detected.

257

NO_CCT
No circuit available.

258

CIRCUIT_BLOCKED
Circuit is locally blocked or transient blocked.

259

CCT_UNEQUIPPED
IAM received on unequipped circuit.

260

GLARE
Glare detected.

261

DUAL_IAM
Dual IAM received.

262

CCT_IN_USE
Circuit is already in use: CRM generated call or continuity.

263

OUTGOING_ONLY
Incoming call received on a circuit configured for outgoing calls only.

264

CIRCUIT_RELEASING
Call attempted on circuit in releasing state.

265

SENT_RESET_CCT
Reset circuit - sent when either error in circuit state data is detected or administrative maintenance activity is in progress during call early set up.

266

RECVD_RESET_CCT
Circuit reset received during early call setup.

267

MCI_RELEASE
Rejected due to message incompatibility.

268

PCI_RELEASE
Rejected due to unrecognized or corrupt parameter.

269

INVALID_PARTIAL_CLI
Rejected due to insufficient digits in partial CLI.

270

COT_UNSUPPORTED
Rejected due to COT requested but not supported.

271

USI_UNSUPPORTED
USI rate requested is not supported on GSX/SBC.

272

UUI_SERVICES_UNSUPPORTED
Unsupported services in User to User request.

273

CDPN_NOT_PRESENT
Called party digits not available and NOA does not indicate operator assisted.

274

INVALID_CODING
Rejected due to invalid coding because either:

  • Calling Party's Number (CPN) and Charge Number (CHG) are present but Originating Line Information Parameter(OLIP) is not
  • Originating Line Information Parameter(OLIP) is present but Calling Party's Number(CPN) and Charge Number(CHG) are not.

275

T8_EXPIRED
T8 timer expired while waiting on COT to be received.

276

TCRA_EXPIRED
TCRA timer expired while waiting on IAM after sending CRA.

277

T35_EXPIRED
T35 has expired and ISUPSG has insufficient digits to route call.

278

HW_FAILURE
Hardware failure in early call setup.

279

OPERATOR_MAINT
Operator maintenance actions causing early release.

280

SS7_NODE_STATUS_CHANGE
SS7 Node has changed status to Offline.

281

NRMA_CALL_CLEANUP
NRMA has requested call cleanup.

282

SAM_UNSUPPORTED_FOR_NEED
Insufficient digits to route the call but the SAM message is not supported so the call cannot proceed as no further digits can be received.

283

T33_EXPIRED
T33 Expired and CLI and/or CPC is required.

284

NO_CPC
CPC required but not received in INF.

285

NO_CLI
CLI required but not received in INF.

286

CCT_SYNC
Circuit being re-synchronized with Far end following CQM/CQR interchange.

287

SEGMENTATION_ERROR
Circuit being re-synchronized with Far end following CQM/CQR interchange.

288

GW_RESYNC
Circuit blocked due to gateway re-synchronizing with SGX.

289

T14_EXPIRED
T14 Expired.

290

T17_EXPIRED
T17 Expired.

291

T18_EXPIRED
T18 Expired.

292

NO_PN
No Presentation Number, when one is required.

293

SERVICE_OR_OPTION_UNAVAILABLE_UNSPECIFIED
Service Unavailable.

294

PROTOCOL_ERROR
Protocol Error Unspecified.

295

INVALID_CPN
Invalid CPN.

296

INVALID_SAM
Invalid SAM.

297

INVALID_FAM
Invalid FAM.

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