Paradyne CSU User Manual

7. Operation and Maintenance

9128-A2-GB20-80

September 2002

Normal Call 
Clearing

16

Call is being cleared 
because either the caller or 
receiver has requested that 
it be cleared.

No action is 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 is 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 the 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 link 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.

Arrange for the desired 
capability.

Outgoing Calls 
Barred

52

Network is using Call 
Screening.

Contact the network 
provider to turn Call 
Screening off.

Pre-empted

45

Call has been pre-empted.

Contact the network 
provider.

Protocol Error, 
Unspecified

111

No other cause in the 
protocol error class applies 
for this protocol error event.

Contact your service 
representative.

Quality of Service 
Unavailable

49

Requested Quality of 
Service requested cannot 
be provided (e.g., 
throughput cannot be 
supported).

No action is needed.

Recovery of Timer 
Expired

102

Error-handling procedure 
has been initiated as a 
result of the expiration of a 
timer.

Retry the call.