3com SuperStack 3 NBX Manual De Usuario

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B
ISDN C
OMPLETION
 C
AUSE
 C
ODES
This appendix lists the Completion Cause Codes displayed in one of the 
Span Status dialog boxes:
Digital Line Cards > T1 Span List > Status
Digital Line Cards > ISDN PRI Span List > Status
Digital Line Cards > ISDN BRI Span List > Status
The codes, listed in 
, detail the reasons for the termination of a 
 on 
.
These completion cause code descriptions are only guidelines. 
The detailed cause may vary according to the Public Switched Telephone 
Network (PSTN) to which your NBX system is connected.
Table 83   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.