| Description | Number of Route Unavailability transmitted from this
interface. This counter is incremented when a RELEASE,
RELEASE COMPLETE (only when not preceded by a RELEASE
mesg for the same call), ADD PARTY REJECT, or STATUS
message that contains one of the following cause code
values is transmitted (Note: These cause values apply
to both UNI3.0 and UNI3.1):
Cause Value Meaning
1 unallocated (unassigned) number
2 no route to specified transit network
3 no route to destination
NOTE: For this counter, RELEASE COMPLETE
messages that are a reply to a previous RELEASE
message and contain the same cause value, are
redundant (for counting purposes) and should not
be counted. |