1
Rajesh R Doshi, Timothy Kearney, Gautham Natarajan, Dominic M Ricciardi, Robert E Witte: Network-based method and apparatus for initiating and completing a telephone call via the internet. AT&T, November 7, 2000: US06144667 (275 worldwide citation)

A network-based method for initiating and completing a voice telephony call via the Internet comprises the steps of receiving call completion data at a voice/data network gateway of the public switched telephone network from an Internet application web server, which may comprise an Internet service ...


2
Rajesh R Doshi, Timothy Kearney, Gautham Natarajan, Dominic M Ricciardi, Robert E Witte: Network-based method and apparatus for initiating and completing a telephone call via the internet. AT&T, July 15, 2003: US06594257 (94 worldwide citation)

A network-based method for initiating and completing a voice telephony call via the Internet comprises the steps of receiving call completion data at a voice/data network gateway of the public switched telephone network from an Internet application web server, which may comprise an Internet service ...