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list mst
Issue 4 May 2002 8-187 555-233-123
Message format:
ASAI
ASAI messages listed on the MST screen consist of a 4 octet header and a
variable length body. The header contains the ASAI port address encoded with 8
hexadecimal digits. This same encoding is also used for BRI and PRI.
In message types other than 50 and 51 (Level 2 Primitives), following the port
address is a one octet field called the qualifier. The meaning of the qualifier varies
according to the type (as specified by the MST encode) of ASAI message traced.
The body which is a real ASAI message (except for Level 2 Primitives) follows the
qualifier.
When the display is administered for abbreviated format, the body contains only
the initial part of the ASAI message (all information in beginning of message up to
and including the Q.931 IE tag) plus the cause IE (if present).
Message[1] = port network number
Message[2] = endpoint number
Message[3] = angel number
Message[4] = circuit number
Message[5-6] = hook identifier (defined in $BASEPJ/hdrs/mstencode.h)
Message[7-10] = link identifier
Message[11+] = standard packet message