Home›Browse›Telecommunications Management Network🌐EnglishEnglishDeutschEspañolPolskiPortuguêsРусскийفارسیEntityQ1422324· pop 5· linked from 15 articlesTelecommunications Management NetworkSign in to saveprotocol modelAvailable in 5 languagesDeutschPortuguêsPolskiفارسیvia Wikidata sitelinks · CC0