This guide will show how to install A2Billing v2.2 on CentOS v7. It is assumed you already have Linux and Asterisk and Freepbx installed using a procedure similar to this one. It is also assumed you have compiled asterisk realtime driver module (res_config_mysql) by selecting it in asterisk menuselect before compiling asterisk. We do not cover the installation of the callback daemon.
A Kamailio supernode is a SIP router capable of user authentication and status tracking among other things. It can be used to create a private secure peer-to-peer SIP service similar to Skype™ for example. It can also be used to connect to other nodes, gateways, PBX's etc. Siremis appears to currently be the best GUI for use with Kamailio.
This guide covers the installation of Asterisk® from source on CentOS. Changes in this guide compared to previous guides include the use of Asterisk v12 & v13, Freepbx v12, and the addition of the pjsip library.
This guide covers the installation of Asterisk®from source on Ubuntu. Changes in this guide compared to previous guides include the use of Ubuntu v14, Asterisk v12 & v13, Freepbx v12, and the addition of the pjsip library.