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B
ISDN C
OMPLETION
C
AUSE
C
ODES
This appendix lists the Completion Cause Codes displayed in the
Span
Status
dialog box. The codes, listed in Table 80, detail the reasons for the
termination of a call. See “Configuring and Managing E1
Digital Line Cards” in Chapter 3.
These completion cause codes descriptions are guidelines only.
The detailed cause may vary according to PSTN.
Table 80
Completion Cause Codes
Class Grouping Hex Code
Decimal
Code
Description
Details
Normal events
0x00
0
No diagnostic
0x01
1
Unassigned
number
The requested destination, although valid, cannot be
reached.
0x02
2
No route
The sending equipment (sending the cause)
is requested to route the call through an unrecognized
transit network.
0x03
3
No route to
destination
The called user cannot be reached because the
network does not serve the destination.
0x06
6
Channel
unacceptable
The last identified channel is not acceptable to the
sending entity.
0x07
7
Call awarded
The incoming call is connected to a channel already
established for similar calls (e.g. packet-mode X.25
virtual calls).
0x10
16
Normal
clearing
This call is being cleared by one of the users involved.
0x11
17
User busy
The called user cannot accept another call although
compatibility is established.
0x12
18
No user
responding
The user does not respond to call establishment
messages with either an alerting or connect indication
within the allowed time.
0x13
19
User alerting
no answer
The user has provided an alerting indication but no
connect indication within the allowed time.
Summary of Contents for SuperStack 3 NBX
Page 14: ......
Page 18: ...18 ABOUT THIS GUIDE...
Page 26: ...26 CHAPTER 1 INTRODUCTION...
Page 138: ...138 CHAPTER 2 DIAL PLAN...
Page 322: ...322 CHAPTER 3 DEVICE CONFIGURATION...
Page 328: ...328 CHAPTER 4 USER CONFIGURATION...
Page 412: ...412 CHAPTER 10 TROUBLESHOOTING...
Page 458: ...458 APPENDIX B ISDN COMPLETION CAUSE CODES...
Page 480: ...480 GLOSSARY...
Page 492: ...492 INDEX...