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 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
Table 73
, detail the reasons for the termination of a
call. See
“Configuring and Managing E1 Digital Line Cards”
on
page 182
.
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 73 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.