I.2 Causes related to invalid messages

04.083GPPMobile radio interface Layer 3 specificationRelease 1998TS

Cause value = 81 Invalid transaction identifier value.

See annex H, sub-clause H.5.1.

Cause value = 95 Semantically incorrect message.

See annex H, sub-clause H.5.10.

Cause value = 96 Invalid mandatory information.

See annex H, sub-clause H.6.1.

Cause value = 97 Message type non-existent or not implemented.

See annex H, sub-clause H.6.2.

Cause value = 98 Message not compatible with protocol state.

See annex H, sub-clause H.6.3.

Cause value = 99 Information element non-existent or not implemented

See annex H, sub-clause H.6.4.

Cause value = 100 Conditional IE error.

See annex H, sub-clause H.6.5.

Cause value = 101 Message not compatible with protocol state

See annex H, sub-clause H.6.6.

Cause value = 111 Protocol error, unspecified

See annex H, sub-clause H.6.8.

Annex J (informative):
Algorithm to encode frequency list information elements