EXFO FTB-800 Series for FTB-1 - Manual (Page 314)

Test Results
304 FTB-700G/800 Series
ISDN Logger

SATUS ENQUIRY message is sent by the user or the network at any
time to solicit a STATUS message from the peer layer 3 entity.
Sending a STATUS message in response to a STATUS ENQUIRY
message is mandatory.

STATUS message sent is by the user or the network in response to
a STATUS ENQUIRY message or at any time during a call to report
certain error conditions.

PROGRESS message is sent by the user or the network to indicate
the progress of a call in the event of interworking or in relation with
the provision of in-band information/patterns.

RESTART message is sent by the user or network to request the
recipient to restart (return to an idle condition) the indicated
channel(s) or interface.

RESTART ACK message is sent to acknowledge the receipt of the
RESTART message and to indicate that the requested restart is
complete.

Event XXX - Additional Information displays additional information
on the selected event having the icon
. Additional information is
available for six message types.
Message Type Additional information
DISCONNECT Cause Value, Cause Definition, Location
RELEASE
RELEASE COMPLETE
PROGRESS Progress Desc. No., Progress Description, Location
SETUP Calling number, Called number
STATUS Cause Value, Cause Definition, Location, Call State