ISDN Software Reference for Linux and Windows
346
Error Name Hex Value
(Decimal) Q.931 Code and Description
NONEXISTENT_MSG 0x261
(609) Cause 97
Message type non-existent or
not implemented
WRONG_MESSAGE 0x262
(610) Cause 98
Message not compatible with
call state or message type non-
existent or not implemented
BAD_INFO_ELEM 0x263
(611) Cause 99
Information element non-
existent or not implemented
INVALID_ELEM_CONTENTS 0x264
(612) Cause 100
Invalid information element
contents
WRONG_MSG_FOR_STATE 0x265
(613) Cause 101
Message not compatible with
call state
TIMER_EXPIRY 0x266
(614) Cause 102
Recovery on timer expiry
MANDATORY_IE_LEN_ERR 0x267
(615) Cause 103
Mandatory IE length error
PROTOCOL_ERROR 0x26F
(623) Cause 111
Protocol error, unspecified
INTERWORKING_UNSPEC 0x27F
(639) Cause 127
Interworking, unspecified