Agilent-technologies 37907A Instrukcja Użytkownika Pobierz pdf (Strona 8)

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Call Trace Tool

Call Trace Overview

The graphical call trace application traces calls (or message sequences) across

all links and groups the messages together. It is

therefore a very powerful facility for troubleshooting, particularly since it

operates in both real- time and post- capture modes.

The application produces a user- configurable window which contains one line

for each call. For example in the case of ISUP, this window would typically

show:

• Call identifier

• Call status

• Call duration

• Call setup time

• Call cleardown time

• Called party number

• Calling party number

• OPC/DPC/CIC

• Release cause

• Graphical representation of call phases

Call Trace Tool

Figure 6: Call trace display.

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Agilent-technologies 37907A Instrukcja Użytkownika Strona 8