3Com NBX 100 Administrator's Manual - Isdn C
B
ISDN C
OMPLETION
C
AUSE
C
ODES
This appendix lists the Completion Cause Codes displayed in the Digital
Line Card span Status windows.
To access the Status window:
1 Click the appropriate link:
■
PSTN Gateway Configuration > T1 Spans.
■
PSTN Gateway Configuration > ISDN PRI Spans.
■
PSTN Gateway Configuration > ISDN BRI Spans.
2 Click a span’s state to display the Status window.
Table 86
lists the codes that detail the reasons for the termination of a
call. Also, see
“Configuring and Managing Digital Line Cards”
on
page 162
for more information.
These completion cause code descriptions are only guidelines.
The detailed cause might vary according to the Public Switched
Telephone Network (PSTN) to which your system is connected.
Table 86 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.