The payphones, and all other phones for that matter, were initially installed and maintained by "Vista-United Telephone" which was an LLC half owned by Disney and half owned by United Telecom. I know because I was part of the installation team from Stromberg-Carlson that was on site for months doing the initial and several follow up installs. In the early 2000s (2001 or 2002 I think) the company was purchased and became an independent company named Smart-City Telecom. When Disney created Vista-United they had several "firsts". They were the first to be 100% underground cable plant, in anticipation of hurricanes, the first to heavily rely on fiber optics for premise wiring, combining data and voice networks together, and they were one of the earliest adopters of advanced 911 in the country and the first in Florida, to name but a few. Smart City still provides all of the phone services in the parks, they are not COCOT pay phones. Amongst other benefits to Disney, the payphones allow guests to contact Disney reservations and such with special dialing codes. Cell phones have certainly reduced the revenue for a large percentage of pay phone sites but there are also still a lot of sites that make good money, tourist spots, rural areas, c-stores, confinement institutions, hospitals, and schools amongst them.