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Girls in ICT day 2025

ITU-T Recommendations

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ITU-T Recommendations under Study Group 20 responsibility
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Collapse <b>SG20 Recommendations</b>SG20 Recommendations
Expand <b>F series</b>: Non-telephone telecommunication servicesF series: Non-telephone telecommunication services
Expand <b>H series</b>: Audiovisual and multimedia systemsH series: Audiovisual and multimedia systems
Expand <b>L series</b>: Environment and ICTs, climate change, e-waste, energy efficiency; construction, installation and protection of cables and other elements of outside plantL series: Environment and ICTs, climate change, e-waste, energy efficiency; construction, installation and protection of cables and other elements of outside plant
Expand <b>Q series</b>: Switching and signalling, and associated measurements and testsQ series: Switching and signalling, and associated measurements and tests
Expand <b>Y series</b>: Global information infrastructure, Internet protocol aspects, next-generation networks, Internet of Things and smart citiesY series: Global information infrastructure, Internet protocol aspects, next-generation networks, Internet of Things and smart cities

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