US Patent 8929257 Methods and systems for subconferences in secure media-based conferencing

Methods and apparatuses, including computer program products, are described for media-based (e.g., video and/or audio) conferencing between a plurality of end point devices. The methods and apparatuses provide for secure conferencing while offering a robust feature set that provides call enhancement features such as interactive voice response (IVR) functionality and auto attendance, call security features such as password management, multi-factor authentication and authorization of end points (including filtering and allow/deny functionality), and call compliance features such as recording options, regulatory rules, and other retention/surveillance features.