USER’S GUIDE
406 CyberSWITCH
Call Detail Recording Events
For switched ISDN services:
There are five ISDN CDR events: connect, disconnect, reject, system up, and verify.
A connect event occurs when the system authenticates the remote device of an ISDN connection.
The time stamp for the connect event marks the time the ISDN connection was established.
A disconnect event occurs when the system disconnects a connected device. The disconnect
timestamp marks the time that the decision to disconnect was made.
A reject event occurs when the system disconnects an ISDN connection for which no device was
authenticated. The reject timestamp marks the time that the decision to disconnect was made.
A system up event occurs when the system is loaded. The system up event provides a visible
divider in the log file between two instances of loading the system. Since the connection ID value
is a counter that begins at zero when the system is loaded, it is necessary that the log file contain an
indication of when the system is loaded.
A verify event is generated by issuing the
cdr verify
console command. This command verifies
the configuration of the CDR feature. It causes a message to be sent to all configured CDR log
servers. The proper logging of the message can then be inspected to verify that CDR configuration
is as desired.
For Terminal Servers:
There are four terminal server events: Term Conn, Term Disc, Term Succ, Term Fail.
A Term Conn event occurs when the system identifies a call as an asynchronous terminal
connection. The time stamp marks the time when this connection is identified, not when the call is
actually received. Modem negotiation takes place before the time stamp and protocol identification
(async terminal vs. PPP).
A Term Disc event occurs when a terminal connection disconnects prior to switching to PPP mode.
This can occur as a result of a modem call disconnecting, a user level authentication failure, or a
logout (in the case of terminals used to access the admin login prompt).
A term Succ event occurs when a terminal connection passes user level authentication.
A Term Fail event occurs when a terminal connection fails user level authentication.
Event Report Contents
A CDR event triggers a report which can consist of one or more records. Each record corresponds
to a line in the log file. This alleviates any constraints of having to fit a report in an 80 character
string. Reports are sent to some sort of log device; either a local log file or an offnode Syslog Server.
Each ISDN connection is assigned a connection Id to uniquely identify the connection on its system.
This connection Id is presented on CDR reports so that all the records of a CDR report have the
same connection Id and can be associated, thereby the Connect and Disconnect reports for a given
connection can be associated by their matching connection Id field.
