Maintenance and Troubleshooting
5-17
9621-A2-GB20-30
August 1997
Message
What To Do
What It Indicates
Cause
No.
None
—
No causes have been
generated.
No action needed.
Non-selected user
clearing
26
User has not been awarded
the incoming call.
No action 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.
Verify that the network
exists.
Verify that the network
serves the device
sending the cause.
Normal call clearing
16
Call is being cleared
because either the caller or
receiver has requested that
it be cleared.
No action needed.
Normal, unspecified
31
Remote user has sent a
release message to the
network.
No other cause in the
normal class applies for this
normal event.
No action needed.
No user responding
18
Called device does not
respond to the call with an
alert or connect indication
within the prescribed period
of time.
Internal network timers may
be a cause.
Contact network provider if
the cause continues.
Number changed
22
Called number is no longer
assigned.
Look in the diagnostic field
for the new number, then
change the phone number
in your ISDN call profile.
(Path: main/control/
isdn_call_profile)
Only restricted
bearer capability
available
70
An unrestricted bearer
service has been
requested, but the device
sending the cause only
supports the restricted
version.
1. Determine the service
bearer.
2. Remove it.
Outgoing calls
barred
52
Network is using Call
Screening.
Contact network provider
to turn Call Screening off.
Pre-empted
45
Call has been pre-empted.
Contact network provider.
Protocol error,
unspecified
111
No other cause in the
protocol error class applies
for this protocol error event.
Contact your service
representative.
