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ATM-NTWK (ATM Network Error)
Issue 1 June 2005 577
If the ATM-NTWK MO receives more than 6 errors, the most recent are discarded.
Table 189: Error codes and Aux Data values ATM-NTWK
Cause
Code/
Error
Type
Aux
Data
Cause Codes Description
NORMAL EVENTS
0(a
) Network unreachable
1(a
) Unallocated (unassigned) number. This cause indicates that the called
party cannot be reached because, although the number is in a valid format,
it is not currently assigned (allocated).
2(a
) No route to specified transit network. This cause indicates that the
equipment sending this cause has received a request to route the call
through a particular network that it does not recognize, either because the
transit network does not exist or because that particular transit network
does not serve the equipment that is sending this cause. This cause is
supported on a network-dependent basis.
3(a
) No route to destination. This cause indicates that the called party cannot
be reached because the network through which the call has been routed
does not serve the destination desired. This cause is supported on a
network-dependent basis.
10 (a
) VPCI/VCI unacceptable. This cause indicates that the virtual channel most
recently identified is not acceptable to the sending entity for use in this call.
16 (a
) Normal call clearing. This cause indicates that the call is being cleared
because one of the users involved in the call has requested that the call be
cleared. Under normal situations, the source of this cause is not the
network.
17 (a
) User busy. This cause indicates that the called party is unable to accept
another call because the user busy condition has been encountered. This
cause value can be generated by the called user or by the network.
18 (a
) No user responding. This cause is used when a called party does not
respond to a call establishment message with a connect indication within
the prescribed period of time allocated.
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