UNE-ETS 300801 Ed1:2023 Digital Video Broadcasting (DVB);Interaction channel through Public Switched Telecommunications Network (PSTN)/ Integrated Services Digital Networks (ISDN) (Endorsed by Asociación Española de Normalización in January of 2023.)
2023UNE-ETS 300801 Ed1:2023 Digital Video Broadcasting (DVB);Interaction channel through Public Switched Telecommunications Network (PSTN)/ Integrated Services Digital Networks (ISDN) (Endorsed by Asociación Española de Normalización in January of 2023.)