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7. Operation and Maintenance
7-44
September 2002 9128-A2-GB20-80
Invalid Transit
Network Selection
91 Incorrect format of transit
network identification.
Contact your service
representative.
Mandatory
Information Element
Missing
96 Required data is missing
from a mandatory
information element.
Contact your service
representative.
Message Not
Compatible with Call
State
101 Device sending this cause
has received a message
that is not permissible while
in the call state.
Contact your service
representative.
Msg Nonexistent 98 An unexpected message
was received in a state
other than Null.
Retry the call.
Msg Type
Nonexistent or
Unimplemented
97 Device sending this cause
has received a nonexistent
or not implemented
message type while in the
call state.
Device sending this cause
has received a status
message that indicates an
incompatible call state.
Contact your service
representative.
Network Out of
Order
38 Network is not functioning
correctly, and the condition
is expected to continue.
Contact your service
representative.
No Call Suspended 85 A call resume has been
issued, but no calls have
been suspended.
No action is needed.
No Circuit/Channel
Available
34 No circuit/channel is
currently available to handle
the call.
Wait and try again.
No Destination
Route
3 Network through which call
has been routed does not
serve the destination area
or device.
Contact your service
representative.
None — No causes have been
generated.
No action is needed.
Non-selected User
Clearing
26 User has not been awarded
the incoming call.
No action is needed.
No Route to Specify
Transit Network
2 The device sending or
receiving this cause does
not recognize the transit
network that the call is
being/has been routed
through.
1. Verify that the network
exists.
2. Verify that the network
serves the device
sending the cause.
Table 7-14. Most Recent and Previous Cause Value Messages (3 of 6)
Message
Cause
No. What It Indicates What To Do