 Also, because ETB TV does not have coverage nationwide, they have an alliance with DirecTV Colombia in order to offer all services in the major cities of Colombia.The company is the owner of the Alvaro Camargo de la Torre School and the Tomas Alva Edison School, providing education to employees' children.ETB was created on August 28, 1884 when a Cuban, José Raimundo Martínez created the Colombian Telephone Company, or in Spanish, "La Compañia Colombiana de Telefonos (CTC)".