The framework agreements were signed between MIEyT and the Autonomous Communities in 2006 within the framework of the Plan Avanza.
De même, Mier (http://www.mier.es), Elecnor (http://www.elecnor.es/es.negocios.infraestructuras/telecomunicaciones) Itelsis, BTESA, Axion, Retegal, Itelazpi, Telecom CLM.