Introduction
  motivations
  solutions on the market Page

Metrology
  definition
  passive measurements
  active measurements Page

Centreon
  installation
  overview of the basic configuration
  add a license
  monitoring Google's public DNS
  create custom views
  monitoring Linux (SNMP)
  going further (DHCP, AD, CISCO...)

Introduction
 what is VOIP
 server solutions on the market
 hardphones and softphones
 protocols
 SIP trunk solutions on the market

Installation
 XIVO
 Asterisk

XIVO
 definition of contexts
 web GUI overview and basic configuration
 add a user and a line
 SIP client installation and configuration
 troubleshooting with Asterisk CLI
 dialplan
 voicemail
 extensions and soft keys
 audio conference
 group
 call forward
 call intercept
 configuration file (exten =>)
 interconnection (SIP trunk)

Asterisk
 configuration files
 add users and extensions
 CLI
 voicemail
 applications, variables, patterns
 outbound SIP trunk

will be written at some point ...