BISDN COMPLETION CAUSE CODES
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 Tab le 83, detail the reasons for the termination of a
call. See “Configuring and Managing E1 Digital Line Cards” on
page 226.
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.
Table83 Completion Cause Codes
Class Grouping Hex Code
Decimal
Code Description Details
Normal events 0x00 0No diagnostic
0x01 1Unassigned
number The requested destination, although valid, cannot be
reached.
0x02 2No route The sending equipment (sending the cause)
is requested to route the call through an unrecognized
transit network.
0x03 3No route to
destination The called user cannot be reached because the
network does not serve the destination.
0x06 6Channel
unacceptable The last identified channel is not acceptable to the
sending entity.
0x07 7Call 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.