Paradyne CSU User Manual

7. Operation and Maintenance

9128-A2-GB20-80

September 2002

Facility Rejected

29

Requested facility is not 
provided by the network.

No action is needed.

Incoming Calls 
Barred

54

Called user is not permitted 
to accept the call.

Turn off network call 
screening.

Incompatible 
Destination

88

Request to establish a call 
has been received, but 
low-layer, high-layer, or 
another compatibility 
attribute (e.g., data rate) 
cannot be provided.

Incorrect format of the 
destination link.

Arrange for the desired 
capability.

Identified Channel 
Does Not Exist

82

Channel requested for a call 
is not activated on the 
interface.

Make sure the network is 
configured for 2B service, if 
a BRI DBM. Contact your 
service provider to verify 
that your service is 
provisioned for two 
B-channels.

Info Element 
Nonexistent or 
Nonimplemented

99

Device sending this cause 
has received a message it 
does not recognize.

This cause will not prevent 
the message from being 
precessed.

1. Verify that the Inbound 

Calling ID has been 
defined.

2. Verify that the Inbound 

Calling ID is part of your 
service.

Interworking, 
Unspecified

127

Precise cause of a 
message cannot be 
determined because the 
interworking network does 
not provide causes.

No action is needed.

Invalid Call 
Reference Value

81

Call reference used is not 
currently in use on the 
user-network interface.

Contact your service 
representative.

Invalid Info Element 
Contents

100

Device sending this cause 
has received and 
implemented an information 
element, but one or more 
fields in the element cannot 
be processed.

Contact your service 
representative.

Invalid Message, 
Unspecified

95

No other cause in the 
invalid message class 
applies for this invalid 
message event.

Contact your service 
representative.

Invalid Number 
Format – Incomplete 
Address

28

Call cannot be completed 
because the phone number 
is incorrect or incomplete.

Check your ISDN link 
profile, and correct the 
number.