Analyzing ANSI Snoop Traces from CDMA Gateway using Wireshark
(Doc ID 1431841.1)
Last updated on DECEMBER 05, 2019
Applies to:Oracle Communications Network Charging and Control - Version 2.2.0 and later
Information in this document applies to any platform.
This document explains the basics of analyzing the ANSI TCAP / IS-41 snoop trace for a voice call being handled by CDMA Gateway, using Wireshark. This document will be of help to readers with a GSM or ETSI/ITU-T background.
ANSI American National Standards Institute
CDMA Code Division Multiple Access
ETSI European Telecommunications Standards Institute
GSM Global System for Mobile Communications
ITU International Telecommunication Union
MAP Mobile Application Part
TCAP Transaction Capabilities Application Part
ANSI traces may also be referred to as CDMA, IS-41 or possibly AIN.
Wireshark shows "ANSI MAP" in the examples below but it is normally refered to as IS-41 and is equivalent to ETSI/ITU-T MAP
It is impossible to cover everything about snoop traces, IS-41 or CDMA Gaeway in a compact document. This document should be used as a starting point to learn more about processing ANSI TCAP/IS-41 snoop files. The primary focus is on voice calls. The techniques discussed in this note may be applicable to other signaling interactions in an ANSI environment.
How a particular call is found is not the subject of this note. It may be located using the time, the called/calling numbers, the billingID or a combination of these. It is assumed that the billingID is already known.
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In this Document
|Example 1 - Simple Answered Call|
|Example 2 - IVR Interaction|