Avaya Definity SI Maintenance Manual page 451

list mst
0x6F - ISDN BRI Unrecognized Messages
Message[1]
Message[2]
Message[3]
Message[4]
Message[5]
Message[6]
R1:
Message[7,8]
Message[9]
Types of failure:
0x01 - outgoing ISDN
0x02 - incoming ISDN
Message[10+]
R3:
Message[7-10]
Message[11]
Types of failure:
0x01 - outgoing ISDN
0x02 - incoming ISDN
NOTE:
In abbreviated format, the header of the Q.931 message, the cause IE (if
present) and the channel id IE (if present) are the only IEs present.
An additional cancel byte (0xCA) may be present after the standard
ISDNBRI formatted message if the message was not sent. The cancel byte
will not be appended if the abbreviated format is selected.
555-233-123
= Port Network Number of BRI port
= Reserved
= Carrier Address of BRI port
= Port number of BRI port
= SAPI
= TEI
= Link ID
= type of failure
= standard ISDNBRI format
= Link ID
= type of failure
Issue 4 May 2002 8-201