*asttecs unified communication version 2.0 offers a comprehensive open-source IPPBX solution with advanced features such as voice recording, video conferencing, and integration capabilities with 3rd party applications. The platform supports flexible configurations, is scalable, and allows for cost-effective communication through various channels like SIP, PRI, and GSM. Key functionalities include interactive voice response (IVR), call management features, and a focus on user-friendly interfaces, making it suitable for diverse business environments.