Kamailio Installation – the Open Source SIP Server

                          How To Install Kamailio – the Open Source SIP Server

This is for Debian servers or Ubuntu

1. Install minimal version of Debian 8 Stable 64Bit

2. Update the System

# apt-get update
# apt-get upgrade

3. Add Key

# apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 0xfb40d3e6508ea4c8
# echo "deb http://deb.kamailio.org/kamailio43 jessie main" > /etc/apt/sources.list.d/kamailio.list

4. Install Kamalio applications and configurations

# apt-get update

# apt-get install kamailio kamailio-extra-modules kamailio-json-modules
This will automatically install the Kamailio

Source:- https://www.kamailio.org/w/