InterLATA toll service means toll service that originates and terminates between local access transport areas.
Telephone Toll Service is As Defined in the Act.
Vertical service means an ancillary service that is offered in connection with one or more telecommunications services, which offers advanced calling features that allow customers to identify callers and to manage multiple calls and call connections, including conference bridging services.
Detailed telecommunications billing service means an ancillary service of separately stating information pertaining to individual calls on a customer's billing statement.