Vivo DSL network. Vivo owns and operates its legacy copper DSL infrastructure (Source).
Brazil
Valid from
Network: Any physical infrastructure network that forms a telecom-related network and occupies physical space in/on the ground.
About
Vivo DSL network. Vivo owns and operates its legacy copper DSL infrastructure (Source). Telefônica Brasil Speedy ADSL commercial service began January 2000 (Source), (Source).