ISDN, IP, and SIP denial events

Last Updated : Aug 29, 2023 |

Some Event Type numbers in this section can be re-used for IP and SIP Denial Events. Please check the log information carefully to determine what type of network experienced the event that led to the denial, even if the explanation refers to ISDN.

Table 1: ISDN, IP, and SIP-generated denial events (1173 - 1224)

EventType

Event Description, as it is displayed on the event log (keyword)

Explanation

Event Data 1

Event Data 2

1070 (also in Call Process denial events (1001 - 1172))

TTR unavailable

ISDN trunk initiation of in-band end-to-end digit collection failed. Waiting for a Touch Tone Receiver (TTR).

UID

Call ID

1164

(also in Call Process denial events (1001 - 1172))

ISDN no cause value

Outgoing ISDN trunk rejected / dropped by remote end.

UID

DIAG/LOC/CV

1166

(also in Call Process denial events (1001 - 1172))

Unassigned number

Unassigned number.

UID

DIAG/LOC/CV

1173

No route to transit ntwk

No route to specific transit network.

See Cause value 02.

UID

DIAG/LOC/CV

1174

No route to dest

No route to destination.

See Cause value 03.

UID

DIAG/LOC/CV

1175

ISDN channel unacceptable

Channel unacceptable.

See Cause value 06.

UID

DIAG/LOC/CV

1176

ISDN MLPP circ not resrvd

MLPP preemption, circuit not reserved.

See Cause value 08.

UID

DIAG/LOC/CV

1177

ISDN MLPP circ resv reuse

MLPP preemption, circuit reserved for reuse.

See Cause value 09.

UID

DIAG/LOC/CV

1178

Normal call clearing

Normal call clearing.

See Cause value 16.

UID

DIAG/LOC/CV

1179

User busy

User busy.

See Cause value 17.

UID

DIAG/LOC/CV

1180

No user responding

No user responding.

See Cause value 18.

UID

DIAG/LOC/CV

1181

User alerting, no answer

User alerting, no answer.

See Cause value 19.

UID

DIAG/LOC/CV

1182

Subscriber absent

Subscriber absent.

See Cause value 20.

UID

DIAG/LOC/CV

1183

Call rejected

Call rejected.

See Cause value 21.

UID

DIAG/LOC/CV

1184

Number changed

Number changed.

See Cause value 22.

UID

DIAG/LOC/CV

1185

Dest out of order

Destination out of order.

See Cause value 27.

UID

DIAG/LOC/CV

1186

Invalid number format

Invalid number format.

See Cause value 28.

UID

DIAG/LOC/CV

1187

Facility rejected

Facility rejected.

See Cause value 29.

UID

DIAG/LOC/CV

1188

Response status enquiry

Response status enquiry.

See Cause value 30.

UID

DIAG/LOC/CV

1189

Normal, unspecified

Normal, unspecified.

See Cause value 31.

UID

DIAG/LOC/CV

1190

No circ/chan avail

No circuit or channel available.

See Cause value 34.

UID

DIAG/LOC/CV

1191

Network failure

Network failure.

See Cause value 38.

UID

DIAG/LOC/CV

1192

Temporary failure

Temporary failure.

See Cause value 41.

UID

DIAG/LOC/CV

1193

Equipment congestion

Switching equipment congestion.

See Cause value 42.

UID

DIAG/LOC/CV

1194

ISDN user info discarded

User info discarded.

See Cause value 43.

UID

DIAG/LOC/CV

1195

Circ/channel unavail

Requested circuit / channel not available.

See Cause value 44.

UID

DIAG/LOC/CV

1196

ISDN blocked precedence

Blocked precedence level.

See Cause value 46.

UID

DIAG/LOC/CV

1197

Resources unavail/unspec

Resources unavailable, unspecified.

See Cause value 47.

UID

DIAG/LOC/CV

1198

ISDN req fac no subscribe

Requested facility not subscribed.

See Cause value 50.

UID

DIAG/LOC/CV

1199

ISDN outgoing call barred

Outgoing calls barred.

See Cause value 52.

UID

DIAG/LOC/CV

1200

ISDN incoming call barred

Incoming calls barred.

See Cause value 54.

UID

DIAG/LOC/CV

1201

Bearer cap not available

Bearer capability not presently available.

See Cause value 58.

UID

DIAG/LOC/CV

1202

Service unauth FranceVN4

Service not authorized / France VN4.

See Cause value 62.

UID

DIAG/LOC/CV

1203

Serv/option unavailable

Service/option not available, unspecified.

See Cause value 63.

UID

DIAG/LOC/CV

1204

Bearer cap not implem

Bearer capability not implemented.

See Cause value 65.

UID

DIAG/LOC/CV

1205

ISDN chan type not implem

Channel type not implemented.

See Cause value 66.

UID

DIAG/LOC/CV

1206

Req facility not implem

Requested facility not implemented.

See Cause value 69.

UID

DIAG/LOC/CV

1207

Only restr digital BC av

Only restricted digital BC available.

See Cause value 70.

UID

DIAG/LOC/CV

1208

Srv/opt not imp/unsp

Service/option not implemented, unspecified.

See Cause value 79.

UID

DIAG/LOC/CV

1209

Invalid call reference

Invalid call reference.

See Cause value 81.

UID

DIAG/LOC/CV

1210

Channel doesn't exist

Identified channel does not exist.

See Cause value 82.

UID

DIAG/LOC/CV

1211

Incompatible dest

Incompatible destination.

See Cause value 88.

UID

DIAG/LOC/CV

1212

ISDN trans ntwk not exist

Transit network does not exist.

See Cause value 91.

UID

DIAG/LOC/CV

1213

Invalid message

Invalid Message.

See Cause value 95.

UID

DIAG/LOC/CV

1214

Mandatory IE missing

Mandatory IE is missing.

See Cause value 96.

UID

DIAG/LOC/CV

1215

ISDN msg typ nonexist/imp

Message type nonexistent or not implemented.

See Cause value 97.

UID

DIAG/LOC/CV

1216

Msg not compat state

Message not compatible with call state.

See Cause value 98.

UID

DIAG/LOC/CV

1217

ISDN nonexistant IE

Nonexistent IE.

See Cause value 99.

UID

DIAG/LOC/CV

1218

Invalid IE contents

Invalid IE contents.

See Cause value 100.

UID

DIAG/LOC/CV

1219

ISDN msg not compat state

Message not compatible with call state.

See Cause value 101.

UID

DIAG/LOC/CV

1220

Recovery on timer expiry

Recovery on timer expiry.

See Cause value 102.

UID

DIAG/LOC/CV

1221

Protocol err unspecified

Protocol Error Unspecified.

See Cause value 111.

UID

DIAG/LOC/CV

1222

ISDN intr ana ntwk Fr VN4

Inter-worked to analog network (France VN4)

UID

DIAG/LOC/CV

1223

ISDN goto con mode Fr VN4

Go to conversation mode (France VN4)

UID

DIAG/LOC/CV

1224

Interwork/cause unknown

Inter-working or cause unknown.

See Cause value 127.

UID

DIAG/LOC/CV

1570 (also in Call Processing Denial Events (2021 - 2299))

TTR insertion failed

Processing incoming digits for ISDN call. Insertion of Touch Tone Receiver (TTR) to collect in-band digits failed.

1573 (also in Call Processing Denial Events (2021 - 2299))

Principal is not ISDN

The principal is not ISDN.