Netopia Router PN Series - Manual (Page 267)

ISDN, DDS/ADN, and T1 Events D-9
Cause No. 95: invalid message, unspecified. This cause is used
to report an invalid message event only when no other cause in the
invalid message class applies.
Cause No. 96: mandatory information element is missing. This
cause indicates that the equipment sending this cause has received
a message that is missing an information element that 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 but not
implemented by the equipment sending this cause.
Cause No. 98: message not compatible with call state or mes-
sage type non-existent or not implemented. This cause indicates
that the equipment sending this cause has received a message
such that the procedures do not indicate that this is a permissible
message to receive while in the call state, or a STATUS message
was received indicating an incompatible call state.
Cause No. 99: information element non-existent or not imple-
mented. This cause indicates that the equipment sending this
cause has received a message that includes information elements
not recognized because the information element identifier is not
defined or it is defined but not implemented by the equipment
sending the cause. However, the information element is not
required to be present in the message in order for the equipment
sending the cause to process the message.
Cause No. 100: invalid information element contents. This cause
indicates that the equipment sending this cause has received an
information element which it has implemented; however, one or
more of the fields in the information element are coded in a way
that has not been implemented by the equipment sending this
cause.
Cause No 101: message not compatible with call state. This
cause indicates that a message has been received that is
incompatible with the call state.