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K1297-G20 Monitor User Manual
79
Calltrace
The Calltrace application can detect and trace one or several calls on the
basis of complete or partial phone numbers. Calltrace analyzes protocol-
specific data and produces a text output for any found hit. The Calltrace
can be run in the following three modi:
Calltrace only Mode.In this mode the calltrace searches for a frame that
matches the user selected parameters. The analysis and the result can be
seen at once.
Sequenced Calltrace Mode. In this mode all messages of one call will be
collected (stored) until the CT can make a decision whether the current
call matches the parameters or not. This representation is more focussed,
because it is related to one call.
Sequence only Mode. This mode works just like the sequenced Calltrace
mode, apart from the fact, that no numbers can be entered. All messages
are simply sequenced, i.e. sorted by calls and then displayed if the call has
been released. A search criteria is not possible here.
Calltrace applications are offered for a variety of protocols. All applica-
tions are operating according to the same principles. In this section, the
ISUP Calltrace is given as an example.