CONECEL (52,23%), OTECEL (29,28), CNT(18,49) are the dominant firm with significant market power  in SMA (ADVANCED MOBILE SERVICE)  markethttps://www.arcotel.gob.ec/servicio-movil-avanzado-sma_3/https://www.arcotel.gob.ec/wp-content/uploads/2015/01/BOLETIN-ESTADISTICO-FEBRERO-2019-Cierre-2018.pdfTO BE CONFIRMED BY THE COUNTRY 