ISDN ANALYZER D1080 - messkom.de

ISDN ANALYZER D1080 USER’S MANUAL REV. 5
Then the traffic is classified by frame according to the SAPI value
(0, 1, 16 and 63).
Further checks can be carried out by analyzing the statistical
group that refers to the TEI management.
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Fig. 11-11
These data are useful to evaluate the average use of the tested
access (standard calls, X.25 or level 2 management).
Data about unknown events are given for level 3, together with
the total number of messages for each type.
More detailed statistics are given in the traffic report, with the
total number of calls from and to the terminal, divided into calls
in progress, successful calls and failed calls.
CHAPTER 11. ANALYZING THE SIGNALING PROTOCOL