Contents
Table of ContentsAbout this document ................................................................................................... 6
Audience ................................................................................................................. 6 Prerequisites ........................................................................................................... 6 Organization ........................................................................................................... 7 Related documentation ........................................................................................... 7 Reference material ................................................................................................. 9 Text and writing conventions ................................................................................ 10
Chapter 1: Product overview .................................................................................... 11 Introduction to Call Progress Analysis ................................................................. 12
Call progress tones ........................................................................................... 12 The process ....................................................................................................... 13 Benefits ............................................................................................................. 13
Product description .............................................................................................. 14 NetBorder Software Suite ................................................................................ 15 NetBorder Call Analyzer ................................................................................. 15
System architecture ............................................................................................. 17
Chapter 2: Installation .............................................................................................. 18 System requirements ............................................................................................ 18 Installing the software .......................................................................................... 19
Directories and files installed by the software ................................................. 21 The Cpa-stats.csv file ........................................................................................ 23
Obtaining and installing the license file ............................................................... 24 Uninstalling the software ..................................................................................... 27 Validating the installation ..................................................................................... 28
Starting the service .......................................................................................... 29 What to do if the service fails to start .............................................................. 32
Chapter 3: Getting started ........................................................................................ 33 Prerequisites to making a test SIP call ................................................................. 34 Configuring as an outbound proxy ....................................................................... 35 Making a call without CPA .................................................................................... 38 Making a call with CPA ......................................................................................... 40 What to do if a call is not connected .................................................................... 43
Chapter 4: Call flow fundamentals ........................................................................... 45 SIP transactions and dialogs ................................................................................ 46 SIP messages ........................................................................................................ 46
SIP requests ...................................................................................................... 46 SIP responses ................................................................................................... 47
SIP message structure .......................................................................................... 47 Start-line ........................................................................................................... 47 SIP headers ....................................................................................................... 48
Sangoma Technologies Inc. 3 NetBorder Call Analyzer
