Telos Zephyr Xstream - Manual (Page 318)

USER’S MANUAL
Appendix 3 – ISDN Cause Phrases/Values 306
Used to indicate that the destination address is missing or incomplete
or
Used to indicate a non‐existent Closed User Group
Cause No. 95 – Invalid message, unspecified
This cause indicates that the entity sending this cause has received and Invalid message, only
when no other cause in this class applies.
CLASS 1.6 (Protocol error; e.g. unknown message)
Cause No. 96 – Mandatory Info missing
This cause indicates that the equipment sending this cause has received a message which is
missing an information element which must be present in the message before that message can
be processed.
Cause No. 97 ‐ Message type non‐existent or not implemented
This cause indicates that the equipment sending this cause has received a message with a
message type it does not recognize either because this is a message not defined, or defined and
not implemented by the equipment sending this cause.
Cause No. 98 – Message not compatible
This cause indicates that the message received is not compatible with the call state or the
message type is non‐existent or not implemented.
Cause No. 99 – Info non‐existent or not implemented, call processed
This cause is sent when the equipment sending this cause has received a message which
includes the information elements not recognized because the information element identifier is
not define or it is defined but not implemented by the equipment sending the cause. However,
the information element is not required for the equipment sending the cause to process the
message.
Cause No. 100 – Invalid information element contents
This cause is returned when the equipment sending this cause has received an information
element that it has implemented; however one or more field of the information element are
coded in such as way (e.g., truncated, invalid extension bit, invalid field values, etc) that has not
been implemented by the equipment sending this cause.
Cause No. 101 – Message not compatible with call state/Protocol error threshold
This cause is returned when the equipment sending this cause has received a message that
procedures indicate is not a permissible message to receive at this time.
or