How Internet protocol-enabled services are changing the face of communications :
a look at the voice marketplace : hearing before Subcommittee on Telecommunications and the Internet of the Committee on Energy and Commerce, House of Representatives, One Hundred Ninth Congress, first session, March 16, 2005.
APA Citation
United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Telecommunications and the Internet. (2005). How Internet protocol-enabled services are changing the face of communications: a look at the voice marketplace : hearing before Subcommittee on Telecommunications and the Internet of the Committee on Energy and Commerce, House of Representatives, One Hundred Ninth Congress, first session, March 16, 2005. Washington: U.S. G.P.O. .
MLA Citation
United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Telecommunications and the Internet. How Internet Protocol-enabled Services Are Changing the Face of Communications: a Look At the Voice Marketplace : Hearing Before Subcommittee On Telecommunications And the Internet of the Committee On Energy And Commerce, House of Representatives, One Hundred Ninth Congress, First Session, March 16, 2005. Washington: U.S. G.P.O. , 2005.