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Internet Service Node (ISN) 2.0 Release Notes
Page 10
Identifier Severity
Headline Release-note Enclosure
CSCma12977 3
Very rarely in lab conditions
with high transfer rate, ISN can
drop call
Symptom: Voice Browser prints log errors for
"Invalid sequence number" during transfer.
When these occur it happens almost always
at the time of call disconnect, so there is no
effect to the caller (since they are already
gone). However, very rarely this error may
occur while the call is active. In such cases,
the caller will be abnormally disconnected.
Conditions: This very rarely occurs, and seems
to be only under lab conditions when a transfer
load through the Voice Browser is excessively
high.
Workaround: None
CSCma13959 3
Timed out from Voice browser
error shouldn’t happen
In very rare circumstances, there is an
unexplained error in the Application Server log
files. The log reports that the Application
Server "Timed out waiting for Call Result from
Voice Browser". This error shouldn't happen.
There aren't any workarounds for this problem.
CSCma20970 3
ISN is not supported with NIC
in VRU Type 7 call flow
The ISN does not respond to an ICM release if
it is busy with another script node. When the
ISN is acting as a Type 7 Network VRU and
the call needs to be taken away from the VRU
to be connected to an agent, it should release
the call for a transfer but does not, which
means the call cannot be transferred. When
the ISN is acting as the switch (routing client)
in a VRU Type 7 call flow, the ISN does not
respond to the ICM release, but sees the VRU
leg hang up. If the caller does not hang up
within 2 seconds (ISN Release 2.0), the ISN
will hang up. It should be noted that in the
presence of ICM defect CSCma18392 (release
4.6.2), the ICM does not send a release
message to the IVR leg of the call when using
a VRU Type 7 call flow. As a result, in the
presence of both of these problems, the
behavior is the same as described above even
when the ISN is not busy with another script
node. Additionally if the VRU leg does not
release the call, the ISN acting as the switch
will restart the call if configured to do so and
the caller has not yet hung up.