Balancing Responsibilities and Rights: A Regulatory Model for Facilities-Based VoIP Competition, National Cable and Telecommunications Association, February 2004. Accessed via http://ncta.com/DocumentBinary.aspx?id=318Archived November 14, 2006, at the Wayback Machine.
"Index". Archived from the original on January 6, 2007. Retrieved January 22, 2007.
Balancing Responsibilities and Rights: A Regulatory Model for Facilities-Based VoIP Competition, National Cable and Telecommunications Association, February 2004. Accessed via http://ncta.com/DocumentBinary.aspx?id=318Archived November 14, 2006, at the Wayback Machine.