This document provides instructions for installing and configuring Tekaba, a SIP media gateway software. It describes downloading and running the installation file, required system specifications, and how to configure settings like the SIP proxy, listen port, and USB modem ports in the software. Telephony routes and an active call monitor are also explained. The guide aims to help users set up and begin using Tekaba's features which include call forwarding, SMS support via SIP, and NAT traversal capabilities.